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Merge branch 'master' of github.com:ClickHouse/ClickHouse into interactive-mode-for-clickhouse-local

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This commit is contained in:
kssenii 2021-07-18 18:12:53 +03:00
commit bb0f0c18b2
370 changed files with 7541 additions and 6179 deletions
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26
base/common/DateLUTImpl.h
View File

@ -18,8 +18,6 @@
#define DATE_LUT_MAX (0xFFFFFFFFU - 86400)
#define DATE_LUT_MAX_DAY_NUM 0xFFFF
/// Max int value of Date32, DATE LUT cache size minus daynum_offset_epoch
#define DATE_LUT_MAX_EXTEND_DAY_NUM (DATE_LUT_SIZE - 16436)
/// A constant to add to time_t so every supported time point becomes non-negative and still has the same remainder of division by 3600.
/// If we treat "remainder of division" operation in the sense of modular arithmetic (not like in C++).
@ -272,8 +270,6 @@ public:
auto getOffsetAtStartOfEpoch() const { return offset_at_start_of_epoch; }
auto getTimeOffsetAtStartOfLUT() const { return offset_at_start_of_lut; }
auto getDayNumOffsetEpoch() const { return daynum_offset_epoch; }
/// All functions below are thread-safe; arguments are not checked.
inline ExtendedDayNum toDayNum(ExtendedDayNum d) const
@ -930,17 +926,15 @@ public:
{
if (unlikely(year < DATE_LUT_MIN_YEAR || year > DATE_LUT_MAX_YEAR || month < 1 || month > 12 || day_of_month < 1 || day_of_month > 31))
return LUTIndex(0);
auto year_lut_index = (year - DATE_LUT_MIN_YEAR) * 12 + month - 1;
UInt32 index = years_months_lut[year_lut_index].toUnderType() + day_of_month - 1;
/// When date is out of range, default value is DATE_LUT_SIZE - 1 (2283-11-11)
return LUTIndex{std::min(index, static_cast<UInt32>(DATE_LUT_SIZE - 1))};
return LUTIndex{years_months_lut[(year - DATE_LUT_MIN_YEAR) * 12 + month - 1] + day_of_month - 1};
}
/// Create DayNum from year, month, day of month.
inline ExtendedDayNum makeDayNum(Int16 year, UInt8 month, UInt8 day_of_month, Int32 default_error_day_num = 0) const
inline ExtendedDayNum makeDayNum(Int16 year, UInt8 month, UInt8 day_of_month) const
{
if (unlikely(year < DATE_LUT_MIN_YEAR || year > DATE_LUT_MAX_YEAR || month < 1 || month > 12 || day_of_month < 1 || day_of_month > 31))
return ExtendedDayNum(default_error_day_num);
return ExtendedDayNum(0);
return toDayNum(makeLUTIndex(year, month, day_of_month));
}
@ -1097,9 +1091,9 @@ public:
return lut[new_index].date + time;
}
inline NO_SANITIZE_UNDEFINED Time addWeeks(Time t, Int32 delta) const
inline NO_SANITIZE_UNDEFINED Time addWeeks(Time t, Int64 delta) const
{
return addDays(t, static_cast<Int64>(delta) * 7);
return addDays(t, delta * 7);
}
inline UInt8 saturateDayOfMonth(Int16 year, UInt8 month, UInt8 day_of_month) const
@ -1164,14 +1158,14 @@ public:
return toDayNum(addMonthsIndex(d, delta));
}
inline Time NO_SANITIZE_UNDEFINED addQuarters(Time t, Int32 delta) const
inline Time NO_SANITIZE_UNDEFINED addQuarters(Time t, Int64 delta) const
{
return addMonths(t, static_cast<Int64>(delta) * 3);
return addMonths(t, delta * 3);
}
inline ExtendedDayNum addQuarters(ExtendedDayNum d, Int32 delta) const
inline ExtendedDayNum addQuarters(ExtendedDayNum d, Int64 delta) const
{
return addMonths(d, static_cast<Int64>(delta) * 3);
return addMonths(d, delta * 3);
}
template <typename DateOrTime>

14
base/common/LocalDate.h
View File

@ -70,14 +70,6 @@ public:
m_day = values.day_of_month;
}
explicit LocalDate(ExtendedDayNum day_num)
{
const auto & values = DateLUT::instance().getValues(day_num);
m_year = values.year;
m_month = values.month;
m_day = values.day_of_month;
}
LocalDate(unsigned short year_, unsigned char month_, unsigned char day_)
: m_year(year_), m_month(month_), m_day(day_)
{
@ -106,12 +98,6 @@ public:
return DayNum(lut.makeDayNum(m_year, m_month, m_day).toUnderType());
}
ExtendedDayNum getExtenedDayNum() const
{
const auto & lut = DateLUT::instance();
return ExtendedDayNum (lut.makeDayNum(m_year, m_month, m_day).toUnderType());
}
operator DayNum() const
{
return getDayNum();

2
contrib/poco vendored

@ -1 +1 @@
Subproject commit 5994506908028612869fee627d68d8212dfe7c1e
Subproject commit 7351c4691b5d401f59e3959adfc5b4fa263b32da

2
contrib/rocksdb vendored

@ -1 +1 @@
Subproject commit 07c77549a20b63ff6981b400085eba36bb5c80c4
Subproject commit dac0e9a68080c837d6b6223921f3fc151abbfcdc

558
contrib/rocksdb-cmake/CMakeLists.txt
View File

@ -70,11 +70,6 @@ else()
endif()
endif()
set(BUILD_VERSION_CC rocksdb_build_version.cc)
add_library(rocksdb_build_version OBJECT ${BUILD_VERSION_CC})
target_include_directories(rocksdb_build_version PRIVATE "${ROCKSDB_SOURCE_DIR}/util")
include(CheckCCompilerFlag)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64")
CHECK_C_COMPILER_FLAG("-mcpu=power9" HAS_POWER9)
@ -243,272 +238,293 @@ find_package(Threads REQUIRED)
# Main library source code
set(SOURCES
"${ROCKSDB_SOURCE_DIR}/cache/cache.cc"
"${ROCKSDB_SOURCE_DIR}/cache/clock_cache.cc"
"${ROCKSDB_SOURCE_DIR}/cache/lru_cache.cc"
"${ROCKSDB_SOURCE_DIR}/cache/sharded_cache.cc"
"${ROCKSDB_SOURCE_DIR}/db/arena_wrapped_db_iter.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_file_addition.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_file_builder.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_file_cache.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_file_garbage.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_file_meta.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_file_reader.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_log_format.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_log_sequential_reader.cc"
"${ROCKSDB_SOURCE_DIR}/db/blob/blob_log_writer.cc"
"${ROCKSDB_SOURCE_DIR}/db/builder.cc"
"${ROCKSDB_SOURCE_DIR}/db/c.cc"
"${ROCKSDB_SOURCE_DIR}/db/column_family.cc"
"${ROCKSDB_SOURCE_DIR}/db/compacted_db_impl.cc"
"${ROCKSDB_SOURCE_DIR}/db/compaction/compaction.cc"
"${ROCKSDB_SOURCE_DIR}/db/compaction/compaction_iterator.cc"
"${ROCKSDB_SOURCE_DIR}/db/compaction/compaction_picker.cc"
"${ROCKSDB_SOURCE_DIR}/db/compaction/compaction_job.cc"
"${ROCKSDB_SOURCE_DIR}/db/compaction/compaction_picker_fifo.cc"
"${ROCKSDB_SOURCE_DIR}/db/compaction/compaction_picker_level.cc"
"${ROCKSDB_SOURCE_DIR}/db/compaction/compaction_picker_universal.cc"
"${ROCKSDB_SOURCE_DIR}/db/compaction/sst_partitioner.cc"
"${ROCKSDB_SOURCE_DIR}/db/convenience.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_filesnapshot.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl_write.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl_compaction_flush.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl_files.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl_open.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl_debug.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl_experimental.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl_readonly.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_impl/db_impl_secondary.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_info_dumper.cc"
"${ROCKSDB_SOURCE_DIR}/db/db_iter.cc"
"${ROCKSDB_SOURCE_DIR}/db/dbformat.cc"
"${ROCKSDB_SOURCE_DIR}/db/error_handler.cc"
"${ROCKSDB_SOURCE_DIR}/db/event_helpers.cc"
"${ROCKSDB_SOURCE_DIR}/db/experimental.cc"
"${ROCKSDB_SOURCE_DIR}/db/external_sst_file_ingestion_job.cc"
"${ROCKSDB_SOURCE_DIR}/db/file_indexer.cc"
"${ROCKSDB_SOURCE_DIR}/db/flush_job.cc"
"${ROCKSDB_SOURCE_DIR}/db/flush_scheduler.cc"
"${ROCKSDB_SOURCE_DIR}/db/forward_iterator.cc"
"${ROCKSDB_SOURCE_DIR}/db/import_column_family_job.cc"
"${ROCKSDB_SOURCE_DIR}/db/internal_stats.cc"
"${ROCKSDB_SOURCE_DIR}/db/logs_with_prep_tracker.cc"
"${ROCKSDB_SOURCE_DIR}/db/log_reader.cc"
"${ROCKSDB_SOURCE_DIR}/db/log_writer.cc"
"${ROCKSDB_SOURCE_DIR}/db/malloc_stats.cc"
"${ROCKSDB_SOURCE_DIR}/db/memtable.cc"
"${ROCKSDB_SOURCE_DIR}/db/memtable_list.cc"
"${ROCKSDB_SOURCE_DIR}/db/merge_helper.cc"
"${ROCKSDB_SOURCE_DIR}/db/merge_operator.cc"
"${ROCKSDB_SOURCE_DIR}/db/output_validator.cc"
"${ROCKSDB_SOURCE_DIR}/db/periodic_work_scheduler.cc"
"${ROCKSDB_SOURCE_DIR}/db/range_del_aggregator.cc"
"${ROCKSDB_SOURCE_DIR}/db/range_tombstone_fragmenter.cc"
"${ROCKSDB_SOURCE_DIR}/db/repair.cc"
"${ROCKSDB_SOURCE_DIR}/db/snapshot_impl.cc"
"${ROCKSDB_SOURCE_DIR}/db/table_cache.cc"
"${ROCKSDB_SOURCE_DIR}/db/table_properties_collector.cc"
"${ROCKSDB_SOURCE_DIR}/db/transaction_log_impl.cc"
"${ROCKSDB_SOURCE_DIR}/db/trim_history_scheduler.cc"
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"${ROCKSDB_SOURCE_DIR}/db/version_edit.cc"
"${ROCKSDB_SOURCE_DIR}/db/version_edit_handler.cc"
"${ROCKSDB_SOURCE_DIR}/db/version_set.cc"
"${ROCKSDB_SOURCE_DIR}/db/wal_edit.cc"
"${ROCKSDB_SOURCE_DIR}/db/wal_manager.cc"
"${ROCKSDB_SOURCE_DIR}/db/write_batch.cc"
"${ROCKSDB_SOURCE_DIR}/db/write_batch_base.cc"
"${ROCKSDB_SOURCE_DIR}/db/write_controller.cc"
"${ROCKSDB_SOURCE_DIR}/db/write_thread.cc"
"${ROCKSDB_SOURCE_DIR}/env/env.cc"
"${ROCKSDB_SOURCE_DIR}/env/env_chroot.cc"
"${ROCKSDB_SOURCE_DIR}/env/env_encryption.cc"
"${ROCKSDB_SOURCE_DIR}/env/env_hdfs.cc"
"${ROCKSDB_SOURCE_DIR}/env/file_system.cc"
"${ROCKSDB_SOURCE_DIR}/env/file_system_tracer.cc"
"${ROCKSDB_SOURCE_DIR}/env/mock_env.cc"
"${ROCKSDB_SOURCE_DIR}/file/delete_scheduler.cc"
"${ROCKSDB_SOURCE_DIR}/file/file_prefetch_buffer.cc"
"${ROCKSDB_SOURCE_DIR}/file/file_util.cc"
"${ROCKSDB_SOURCE_DIR}/file/filename.cc"
"${ROCKSDB_SOURCE_DIR}/file/random_access_file_reader.cc"
"${ROCKSDB_SOURCE_DIR}/file/read_write_util.cc"
"${ROCKSDB_SOURCE_DIR}/file/readahead_raf.cc"
"${ROCKSDB_SOURCE_DIR}/file/sequence_file_reader.cc"
"${ROCKSDB_SOURCE_DIR}/file/sst_file_manager_impl.cc"
"${ROCKSDB_SOURCE_DIR}/file/writable_file_writer.cc"
"${ROCKSDB_SOURCE_DIR}/logging/auto_roll_logger.cc"
"${ROCKSDB_SOURCE_DIR}/logging/event_logger.cc"
"${ROCKSDB_SOURCE_DIR}/logging/log_buffer.cc"
"${ROCKSDB_SOURCE_DIR}/memory/arena.cc"
"${ROCKSDB_SOURCE_DIR}/memory/concurrent_arena.cc"
"${ROCKSDB_SOURCE_DIR}/memory/jemalloc_nodump_allocator.cc"
"${ROCKSDB_SOURCE_DIR}/memory/memkind_kmem_allocator.cc"
"${ROCKSDB_SOURCE_DIR}/memtable/alloc_tracker.cc"
"${ROCKSDB_SOURCE_DIR}/memtable/hash_linklist_rep.cc"
"${ROCKSDB_SOURCE_DIR}/memtable/hash_skiplist_rep.cc"
"${ROCKSDB_SOURCE_DIR}/memtable/skiplistrep.cc"
"${ROCKSDB_SOURCE_DIR}/memtable/vectorrep.cc"
"${ROCKSDB_SOURCE_DIR}/memtable/write_buffer_manager.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/histogram.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/histogram_windowing.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/in_memory_stats_history.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/instrumented_mutex.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/iostats_context.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/perf_context.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/perf_level.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/persistent_stats_history.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/statistics.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/thread_status_impl.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/thread_status_updater.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/thread_status_util.cc"
"${ROCKSDB_SOURCE_DIR}/monitoring/thread_status_util_debug.cc"
"${ROCKSDB_SOURCE_DIR}/options/cf_options.cc"
"${ROCKSDB_SOURCE_DIR}/options/configurable.cc"
"${ROCKSDB_SOURCE_DIR}/options/customizable.cc"
"${ROCKSDB_SOURCE_DIR}/options/db_options.cc"
"${ROCKSDB_SOURCE_DIR}/options/options.cc"
"${ROCKSDB_SOURCE_DIR}/options/options_helper.cc"
"${ROCKSDB_SOURCE_DIR}/options/options_parser.cc"
"${ROCKSDB_SOURCE_DIR}/port/stack_trace.cc"
"${ROCKSDB_SOURCE_DIR}/table/adaptive/adaptive_table_factory.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/binary_search_index_reader.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/block.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/block_based_filter_block.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/block_based_table_builder.cc"
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"${ROCKSDB_SOURCE_DIR}/table/block_based/index_reader_common.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/parsed_full_filter_block.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/partitioned_filter_block.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/partitioned_index_iterator.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/partitioned_index_reader.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/reader_common.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_based/uncompression_dict_reader.cc"
"${ROCKSDB_SOURCE_DIR}/table/block_fetcher.cc"
"${ROCKSDB_SOURCE_DIR}/table/cuckoo/cuckoo_table_builder.cc"
"${ROCKSDB_SOURCE_DIR}/table/cuckoo/cuckoo_table_factory.cc"
"${ROCKSDB_SOURCE_DIR}/table/cuckoo/cuckoo_table_reader.cc"
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"${ROCKSDB_SOURCE_DIR}/table/get_context.cc"
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"${ROCKSDB_SOURCE_DIR}/table/merging_iterator.cc"
"${ROCKSDB_SOURCE_DIR}/table/meta_blocks.cc"
"${ROCKSDB_SOURCE_DIR}/table/persistent_cache_helper.cc"
"${ROCKSDB_SOURCE_DIR}/table/plain/plain_table_bloom.cc"
"${ROCKSDB_SOURCE_DIR}/table/plain/plain_table_builder.cc"
"${ROCKSDB_SOURCE_DIR}/table/plain/plain_table_factory.cc"
"${ROCKSDB_SOURCE_DIR}/table/plain/plain_table_index.cc"
"${ROCKSDB_SOURCE_DIR}/table/plain/plain_table_key_coding.cc"
"${ROCKSDB_SOURCE_DIR}/table/plain/plain_table_reader.cc"
"${ROCKSDB_SOURCE_DIR}/table/sst_file_dumper.cc"
"${ROCKSDB_SOURCE_DIR}/table/sst_file_reader.cc"
"${ROCKSDB_SOURCE_DIR}/table/sst_file_writer.cc"
"${ROCKSDB_SOURCE_DIR}/table/table_factory.cc"
"${ROCKSDB_SOURCE_DIR}/table/table_properties.cc"
"${ROCKSDB_SOURCE_DIR}/table/two_level_iterator.cc"
"${ROCKSDB_SOURCE_DIR}/test_util/sync_point.cc"
"${ROCKSDB_SOURCE_DIR}/test_util/sync_point_impl.cc"
"${ROCKSDB_SOURCE_DIR}/test_util/testutil.cc"
"${ROCKSDB_SOURCE_DIR}/test_util/transaction_test_util.cc"
"${ROCKSDB_SOURCE_DIR}/tools/block_cache_analyzer/block_cache_trace_analyzer.cc"
"${ROCKSDB_SOURCE_DIR}/tools/dump/db_dump_tool.cc"
"${ROCKSDB_SOURCE_DIR}/tools/io_tracer_parser_tool.cc"
"${ROCKSDB_SOURCE_DIR}/tools/ldb_cmd.cc"
"${ROCKSDB_SOURCE_DIR}/tools/ldb_tool.cc"
"${ROCKSDB_SOURCE_DIR}/tools/sst_dump_tool.cc"
"${ROCKSDB_SOURCE_DIR}/tools/trace_analyzer_tool.cc"
"${ROCKSDB_SOURCE_DIR}/trace_replay/trace_replay.cc"
"${ROCKSDB_SOURCE_DIR}/trace_replay/block_cache_tracer.cc"
"${ROCKSDB_SOURCE_DIR}/trace_replay/io_tracer.cc"
"${ROCKSDB_SOURCE_DIR}/util/coding.cc"
"${ROCKSDB_SOURCE_DIR}/util/compaction_job_stats_impl.cc"
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"${ROCKSDB_SOURCE_DIR}/util/threadpool_imp.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/backupable/backupable_db.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/blob_db/blob_compaction_filter.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/blob_db/blob_db.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/blob_db/blob_db_impl.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/blob_db/blob_db_impl_filesnapshot.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/blob_db/blob_dump_tool.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/blob_db/blob_file.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/cassandra/cassandra_compaction_filter.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/cassandra/format.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/checkpoint/checkpoint_impl.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/debug.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/env_mirror.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/env_timed.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/memory/memory_util.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/put.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/string_append/stringappend.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/string_append/stringappend2.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/uint64add.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/option_change_migration/option_change_migration.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/options/options_util.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/block_cache_tier_file.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/block_cache_tier_metadata.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/persistent_cache_tier.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/volatile_tier_impl.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/simulator_cache/cache_simulator.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/simulator_cache/sim_cache.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/table_properties_collectors/compact_on_deletion_collector.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/trace/file_trace_reader_writer.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/lock_manager.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/point/point_lock_tracker.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/point/point_lock_manager.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/optimistic_transaction_db_impl.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/optimistic_transaction.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/pessimistic_transaction.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/pessimistic_transaction_db.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/snapshot_checker.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/transaction_base.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/transactions/write_prepared_txn.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/write_prepared_txn_db.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/write_unprepared_txn.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/transactions/write_unprepared_txn_db.cc"
"${ROCKSDB_SOURCE_DIR}/utilities/ttl/db_ttl_impl.cc"
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"${ROCKSDB_SOURCE_DIR}/utilities/write_batch_with_index/write_batch_with_index_internal.cc"
$<TARGET_OBJECTS:rocksdb_build_version>)
${ROCKSDB_SOURCE_DIR}/cache/cache.cc
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${ROCKSDB_SOURCE_DIR}/util/threadpool_imp.cc
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${ROCKSDB_SOURCE_DIR}/utilities/debug.cc
${ROCKSDB_SOURCE_DIR}/utilities/env_mirror.cc
${ROCKSDB_SOURCE_DIR}/utilities/env_timed.cc
${ROCKSDB_SOURCE_DIR}/utilities/fault_injection_env.cc
${ROCKSDB_SOURCE_DIR}/utilities/fault_injection_fs.cc
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${ROCKSDB_SOURCE_DIR}/utilities/memory/memory_util.cc
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${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/put.cc
${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/sortlist.cc
${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/string_append/stringappend.cc
${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/string_append/stringappend2.cc
${ROCKSDB_SOURCE_DIR}/utilities/merge_operators/uint64add.cc
${ROCKSDB_SOURCE_DIR}/utilities/object_registry.cc
${ROCKSDB_SOURCE_DIR}/utilities/option_change_migration/option_change_migration.cc
${ROCKSDB_SOURCE_DIR}/utilities/options/options_util.cc
${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/block_cache_tier.cc
${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/block_cache_tier_file.cc
${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/block_cache_tier_metadata.cc
${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/persistent_cache_tier.cc
${ROCKSDB_SOURCE_DIR}/utilities/persistent_cache/volatile_tier_impl.cc
${ROCKSDB_SOURCE_DIR}/utilities/simulator_cache/cache_simulator.cc
${ROCKSDB_SOURCE_DIR}/utilities/simulator_cache/sim_cache.cc
${ROCKSDB_SOURCE_DIR}/utilities/table_properties_collectors/compact_on_deletion_collector.cc
${ROCKSDB_SOURCE_DIR}/utilities/trace/file_trace_reader_writer.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/lock_manager.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/point/point_lock_tracker.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/point/point_lock_manager.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/range_tree_lock_manager.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/range_tree_lock_tracker.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/optimistic_transaction_db_impl.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/optimistic_transaction.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/pessimistic_transaction.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/pessimistic_transaction_db.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/snapshot_checker.cc
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${ROCKSDB_SOURCE_DIR}/utilities/transactions/transaction_util.cc
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${ROCKSDB_SOURCE_DIR}/utilities/transactions/write_unprepared_txn.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/write_unprepared_txn_db.cc
${ROCKSDB_SOURCE_DIR}/utilities/ttl/db_ttl_impl.cc
${ROCKSDB_SOURCE_DIR}/utilities/write_batch_with_index/write_batch_with_index.cc
${ROCKSDB_SOURCE_DIR}/utilities/write_batch_with_index/write_batch_with_index_internal.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/concurrent_tree.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/keyrange.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/lock_request.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/locktree.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/manager.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/range_buffer.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/treenode.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/txnid_set.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/locktree/wfg.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/standalone_port.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/util/dbt.cc
${ROCKSDB_SOURCE_DIR}/utilities/transactions/lock/range/range_tree/lib/util/memarena.cc
rocksdb_build_version.cc)
if(HAVE_SSE42 AND NOT MSVC)
set_source_files_properties(

65
contrib/rocksdb-cmake/rocksdb_build_version.cc
View File

@ -1,3 +1,62 @@
const char* rocksdb_build_git_sha = "rocksdb_build_git_sha:0";
const char* rocksdb_build_git_date = "rocksdb_build_git_date:2000-01-01";
const char* rocksdb_build_compile_date = "2000-01-01";
// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
/// This file was edited for ClickHouse.
#include <memory>
#include "rocksdb/version.h"
#include "util/string_util.h"
// The build script may replace these values with real values based
// on whether or not GIT is available and the platform settings
static const std::string rocksdb_build_git_sha = "rocksdb_build_git_sha:0";
static const std::string rocksdb_build_git_tag = "rocksdb_build_git_tag:master";
static const std::string rocksdb_build_date = "rocksdb_build_date:2000-01-01";
namespace ROCKSDB_NAMESPACE {
static void AddProperty(std::unordered_map<std::string, std::string> *props, const std::string& name) {
size_t colon = name.find(":");
if (colon != std::string::npos && colon > 0 && colon < name.length() - 1) {
// If we found a "@:", then this property was a build-time substitution that failed. Skip it
size_t at = name.find("@", colon);
if (at != colon + 1) {
// Everything before the colon is the name, after is the value
(*props)[name.substr(0, colon)] = name.substr(colon + 1);
}
}
}
static std::unordered_map<std::string, std::string>* LoadPropertiesSet() {
auto * properties = new std::unordered_map<std::string, std::string>();
AddProperty(properties, rocksdb_build_git_sha);
AddProperty(properties, rocksdb_build_git_tag);
AddProperty(properties, rocksdb_build_date);
return properties;
}
const std::unordered_map<std::string, std::string>& GetRocksBuildProperties() {
static std::unique_ptr<std::unordered_map<std::string, std::string>> props(LoadPropertiesSet());
return *props;
}
std::string GetRocksVersionAsString(bool with_patch) {
std::string version = ToString(ROCKSDB_MAJOR) + "." + ToString(ROCKSDB_MINOR);
if (with_patch) {
return version + "." + ToString(ROCKSDB_PATCH);
} else {
return version;
}
}
std::string GetRocksBuildInfoAsString(const std::string& program, bool verbose) {
std::string info = program + " (RocksDB) " + GetRocksVersionAsString(true);
if (verbose) {
for (const auto& it : GetRocksBuildProperties()) {
info.append("\n ");
info.append(it.first);
info.append(": ");
info.append(it.second);
}
}
return info;
}
} // namespace ROCKSDB_NAMESPACE

3
docker/test/integration/base/Dockerfile
View File

@ -32,7 +32,7 @@ RUN rm -rf \
RUN apt-get clean
# Install MySQL ODBC driver
RUN curl 'https://cdn.mysql.com//Downloads/Connector-ODBC/8.0/mysql-connector-odbc-8.0.21-linux-glibc2.12-x86-64bit.tar.gz' --output 'mysql-connector.tar.gz' && tar -xzf mysql-connector.tar.gz && cd mysql-connector-odbc-8.0.21-linux-glibc2.12-x86-64bit/lib && mv * /usr/local/lib && ln -s /usr/local/lib/libmyodbc8a.so /usr/lib/x86_64-linux-gnu/odbc/libmyodbc.so
RUN curl 'https://downloads.mysql.com/archives/get/p/10/file/mysql-connector-odbc-8.0.21-linux-glibc2.12-x86-64bit.tar.gz' --location --output 'mysql-connector.tar.gz' && tar -xzf mysql-connector.tar.gz && cd mysql-connector-odbc-8.0.21-linux-glibc2.12-x86-64bit/lib && mv * /usr/local/lib && ln -s /usr/local/lib/libmyodbc8a.so /usr/lib/x86_64-linux-gnu/odbc/libmyodbc.so
# Unfortunately this is required for a single test for conversion data from zookeeper to clickhouse-keeper.
# ZooKeeper is not started by default, but consumes some space in containers.
@ -49,4 +49,3 @@ RUN mkdir /zookeeper && chmod -R 777 /zookeeper
ENV TZ=Europe/Moscow
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

16
docker/test/stress/run.sh
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@ -58,11 +58,11 @@ function start()
echo "Cannot start clickhouse-server"
cat /var/log/clickhouse-server/stdout.log
tail -n1000 /var/log/clickhouse-server/stderr.log
tail -n1000 /var/log/clickhouse-server/clickhouse-server.log
tail -n100000 /var/log/clickhouse-server/clickhouse-server.log | grep -F -v '<Warning> RaftInstance:' -e '<Information> RaftInstance' | tail -n1000
break
fi
# use root to match with current uid
clickhouse start --user root >/var/log/clickhouse-server/stdout.log 2>/var/log/clickhouse-server/stderr.log
clickhouse start --user root >/var/log/clickhouse-server/stdout.log 2>>/var/log/clickhouse-server/stderr.log
sleep 0.5
counter=$((counter + 1))
done
@ -118,35 +118,35 @@ clickhouse-client --query "SELECT 'Server successfully started', 'OK'" >> /test_
[ -f /var/log/clickhouse-server/stderr.log ] || echo -e "Stderr log does not exist\tFAIL"
# Print Fatal log messages to stdout
zgrep -Fa " <Fatal> " /var/log/clickhouse-server/clickhouse-server.log
zgrep -Fa " <Fatal> " /var/log/clickhouse-server/clickhouse-server.log*
# Grep logs for sanitizer asserts, crashes and other critical errors
# Sanitizer asserts
zgrep -Fa "==================" /var/log/clickhouse-server/stderr.log >> /test_output/tmp
zgrep -Fa "WARNING" /var/log/clickhouse-server/stderr.log >> /test_output/tmp
zgrep -Fav "ASan doesn't fully support makecontext/swapcontext functions" > /dev/null \
zgrep -Fav "ASan doesn't fully support makecontext/swapcontext functions" /test_output/tmp > /dev/null \
&& echo -e 'Sanitizer assert (in stderr.log)\tFAIL' >> /test_output/test_results.tsv \
|| echo -e 'No sanitizer asserts\tOK' >> /test_output/test_results.tsv
rm -f /test_output/tmp
# OOM
zgrep -Fa " <Fatal> Application: Child process was terminated by signal 9" /var/log/clickhouse-server/clickhouse-server.log > /dev/null \
zgrep -Fa " <Fatal> Application: Child process was terminated by signal 9" /var/log/clickhouse-server/clickhouse-server.log* > /dev/null \
&& echo -e 'OOM killer (or signal 9) in clickhouse-server.log\tFAIL' >> /test_output/test_results.tsv \
|| echo -e 'No OOM messages in clickhouse-server.log\tOK' >> /test_output/test_results.tsv
# Logical errors
zgrep -Fa "Code: 49, e.displayText() = DB::Exception:" /var/log/clickhouse-server/clickhouse-server.log > /dev/null \
zgrep -Fa "Code: 49, e.displayText() = DB::Exception:" /var/log/clickhouse-server/clickhouse-server.log* > /dev/null \
&& echo -e 'Logical error thrown (see clickhouse-server.log)\tFAIL' >> /test_output/test_results.tsv \
|| echo -e 'No logical errors\tOK' >> /test_output/test_results.tsv
# Crash
zgrep -Fa "########################################" /var/log/clickhouse-server/clickhouse-server.log > /dev/null \
zgrep -Fa "########################################" /var/log/clickhouse-server/clickhouse-server.log* > /dev/null \
&& echo -e 'Killed by signal (in clickhouse-server.log)\tFAIL' >> /test_output/test_results.tsv \
|| echo -e 'Not crashed\tOK' >> /test_output/test_results.tsv
# It also checks for crash without stacktrace (printed by watchdog)
zgrep -Fa " <Fatal> " /var/log/clickhouse-server/clickhouse-server.log > /dev/null \
zgrep -Fa " <Fatal> " /var/log/clickhouse-server/clickhouse-server.log* > /dev/null \
&& echo -e 'Fatal message in clickhouse-server.log\tFAIL' >> /test_output/test_results.tsv \
|| echo -e 'No fatal messages in clickhouse-server.log\tOK' >> /test_output/test_results.tsv

2
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@ -47,7 +47,7 @@ EXCHANGE TABLES new_table AND old_table;
### ReplicatedMergeTree in Atomic Database {#replicatedmergetree-in-atomic-database}
For [ReplicatedMergeTree](../table-engines/mergetree-family/replication.md#table_engines-replication) tables, it is recommended to not specify engine parameters - path in ZooKeeper and replica name. In this case, configuration parameters will be used [default_replica_path](../../operations/server-configuration-parameters/settings.md#default_replica_path) and [default_replica_name](../../operations/server-configuration-parameters/settings.md#default_replica_name). If you want to specify engine parameters explicitly, it is recommended to use {uuid} macros. This is useful so that unique paths are automatically generated for each table in ZooKeeper.
For [ReplicatedMergeTree](../table-engines/mergetree-family/replication.md#table_engines-replication) tables, it is recommended to not specify engine parameters - path in ZooKeeper and replica name. In this case, configuration parameters will be used [default_replica_path](../../operations/server-configuration-parameters/settings.md#default_replica_path) and [default_replica_name](../../operations/server-configuration-parameters/settings.md#default_replica_name). If you want to specify engine parameters explicitly, it is recommended to use `{uuid}` macros. This is useful so that unique paths are automatically generated for each table in ZooKeeper.
## See Also

2
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@ -22,4 +22,4 @@ You can also use the following database engines:
- [PostgreSQL](../../engines/database-engines/postgresql.md)
[Original article](https://clickhouse.tech/docs/en/database_engines/) <!--hide-->
- [Replicated](../../engines/database-engines/replicated.md)

115
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@ -0,0 +1,115 @@
# [experimental] Replicated {#replicated}
The engine is based on the [Atomic](../../engines/database-engines/atomic.md) engine. It supports replication of metadata via DDL log being written to ZooKeeper and executed on all of the replicas for a given database.
One ClickHouse server can have multiple replicated databases running and updating at the same time. But there can't be multiple replicas of the same replicated database.
## Creating a Database {#creating-a-database}
``` sql
CREATE DATABASE testdb ENGINE = Replicated('zoo_path', 'shard_name', 'replica_name') [SETTINGS ...]
```
**Engine Parameters**
- `zoo_path` — ZooKeeper path. The same ZooKeeper path corresponds to the same database.
- `shard_name` — Shard name. Database replicas are grouped into shards by `shard_name`.
- `replica_name` — Replica name. Replica names must be different for all replicas of the same shard.
!!! note "Warning"
For [ReplicatedMergeTree](../table-engines/mergetree-family/replication.md#table_engines-replication) tables if no arguments provided, then default arguments are used: `/clickhouse/tables/{uuid}/{shard}` and `{replica}`. These can be changed in the server settings [default_replica_path](../../operations/server-configuration-parameters/settings.md#default_replica_path) and [default_replica_name](../../operations/server-configuration-parameters/settings.md#default_replica_name). Macro `{uuid}` is unfolded to table's uuid, `{shard}` and `{replica}` are unfolded to values from server config, not from database engine arguments. But in the future, it will be possible to use `shard_name` and `replica_name` of Replicated database.
## Specifics and Recommendations {#specifics-and-recommendations}
DDL queries with `Replicated` database work in a similar way to [ON CLUSTER](../../sql-reference/distributed-ddl.md) queries, but with minor differences.
First, the DDL request tries to execute on the initiator (the host that originally received the request from the user). If the request is not fulfilled, then the user immediately receives an error, other hosts do not try to fulfill it. If the request has been successfully completed on the initiator, then all other hosts will automatically retry until they complete it. The initiator will try to wait for the query to be completed on other hosts (no longer than [distributed_ddl_task_timeout](../../operations/settings/settings.md#distributed_ddl_task_timeout)) and will return a table with the query execution statuses on each host.
The behavior in case of errors is regulated by the [distributed_ddl_output_mode](../../operations/settings/settings.md#distributed_ddl_output_mode) setting, for a `Replicated` database it is better to set it to `null_status_on_timeout` — i.e. if some hosts did not have time to execute the request for [distributed_ddl_task_timeout](../../operations/settings/settings.md#distributed_ddl_task_timeout), then do not throw an exception, but show the `NULL` status for them in the table.
The [system.clusters](../../operations/system-tables/clusters.md) system table contains a cluster named like the replicated database, which consists of all replicas of the database. This cluster is updated automatically when creating/deleting replicas, and it can be used for [Distributed](../../engines/table-engines/special/distributed.md#distributed) tables.
When creating a new replica of the database, this replica creates tables by itself. If the replica has been unavailable for a long time and has lagged behind the replication log — it checks its local metadata with the current metadata in ZooKeeper, moves the extra tables with data to a separate non-replicated database (so as not to accidentally delete anything superfluous), creates the missing tables, updates the table names if they have been renamed. The data is replicated at the `ReplicatedMergeTree` level, i.e. if the table is not replicated, the data will not be replicated (the database is responsible only for metadata).
## Usage Example {#usage-example}
Creating a cluster with three hosts:
``` sql
node1 :) CREATE DATABASE r ENGINE=Replicated('some/path/r','shard1','replica1');
node2 :) CREATE DATABASE r ENGINE=Replicated('some/path/r','shard1','other_replica');
node3 :) CREATE DATABASE r ENGINE=Replicated('some/path/r','other_shard','{replica}');
```
Running the DDL-query:
``` sql
CREATE TABLE r.rmt (n UInt64) ENGINE=ReplicatedMergeTree ORDER BY n;
```
``` text
┌─────hosts────────────┬──status─┬─error─┬─num_hosts_remaining─┬─num_hosts_active─┐
│ shard1|replica1 │ 0 │ │ 2 │ 0 │
│ shard1|other_replica │ 0 │ │ 1 │ 0 │
│ other_shard|r1 │ 0 │ │ 0 │ 0 │
└──────────────────────┴─────────┴───────┴─────────────────────┴──────────────────┘
```
Showing the system table:
``` sql
SELECT cluster, shard_num, replica_num, host_name, host_address, port, is_local
FROM system.clusters WHERE cluster='r';
```
``` text
┌─cluster─┬─shard_num─┬─replica_num─┬─host_name─┬─host_address─┬─port─┬─is_local─┐
│ r │ 1 │ 1 │ node3 │ 127.0.0.1 │ 9002 │ 0 │
│ r │ 2 │ 1 │ node2 │ 127.0.0.1 │ 9001 │ 0 │
│ r │ 2 │ 2 │ node1 │ 127.0.0.1 │ 9000 │ 1 │
└─────────┴───────────┴─────────────┴───────────┴──────────────┴──────┴──────────┘
```
Creating a distributed table and inserting the data:
``` sql
node2 :) CREATE TABLE r.d (n UInt64) ENGINE=Distributed('r','r','rmt', n % 2);
node3 :) INSERT INTO r SELECT * FROM numbers(10);
node1 :) SELECT materialize(hostName()) AS host, groupArray(n) FROM r.d GROUP BY host;
```
``` text
┌─hosts─┬─groupArray(n)─┐
│ node1 │ [1,3,5,7,9] │
│ node2 │ [0,2,4,6,8] │
└───────┴───────────────┘
```
Adding replica on the one more host:
``` sql
node4 :) CREATE DATABASE r ENGINE=Replicated('some/path/r','other_shard','r2');
```
The cluster configuration will look like this:
``` text
┌─cluster─┬─shard_num─┬─replica_num─┬─host_name─┬─host_address─┬─port─┬─is_local─┐
│ r │ 1 │ 1 │ node3 │ 127.0.0.1 │ 9002 │ 0 │
│ r │ 1 │ 2 │ node4 │ 127.0.0.1 │ 9003 │ 0 │
│ r │ 2 │ 1 │ node2 │ 127.0.0.1 │ 9001 │ 0 │
│ r │ 2 │ 2 │ node1 │ 127.0.0.1 │ 9000 │ 1 │
└─────────┴───────────┴─────────────┴───────────┴──────────────┴──────┴──────────┘
```
The distributed table also will get data from the new host:
```sql
node2 :) SELECT materialize(hostName()) AS host, groupArray(n) FROM r.d GROUP BY host;
```
```text
┌─hosts─┬─groupArray(n)─┐
│ node2 │ [1,3,5,7,9] │
│ node4 │ [0,2,4,6,8] │
└───────┴───────────────┘
```

2
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@ -76,7 +76,7 @@ For a description of parameters, see the [CREATE query description](../../../sql
- `SAMPLE BY` — An expression for sampling. Optional.
If a sampling expression is used, the primary key must contain it. Example: `SAMPLE BY intHash32(UserID) ORDER BY (CounterID, EventDate, intHash32(UserID))`.
If a sampling expression is used, the primary key must contain it. The result of sampling expression must be unsigned integer. Example: `SAMPLE BY intHash32(UserID) ORDER BY (CounterID, EventDate, intHash32(UserID))`.
- `TTL` — A list of rules specifying storage duration of rows and defining logic of automatic parts movement [between disks and volumes](#table_engine-mergetree-multiple-volumes). Optional.

8
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@ -37,6 +37,14 @@ Also, it accepts the following settings:
- `max_delay_to_insert` - max delay of inserting data into Distributed table in seconds, if there are a lot of pending bytes for async send. Default 60.
- `monitor_batch_inserts` - same as [distributed_directory_monitor_batch_inserts](../../../operations/settings/settings.md#distributed_directory_monitor_batch_inserts)
- `monitor_split_batch_on_failure` - same as [distributed_directory_monitor_split_batch_on_failure](../../../operations/settings/settings.md#distributed_directory_monitor_split_batch_on_failure)
- `monitor_sleep_time_ms` - same as [distributed_directory_monitor_sleep_time_ms](../../../operations/settings/settings.md#distributed_directory_monitor_sleep_time_ms)
- `monitor_max_sleep_time_ms` - same as [distributed_directory_monitor_max_sleep_time_ms](../../../operations/settings/settings.md#distributed_directory_monitor_max_sleep_time_ms)
!!! note "Note"
**Durability settings** (`fsync_...`):

33
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@ -1130,17 +1130,18 @@ The table below shows supported data types and how they match ClickHouse [data t
| `boolean`, `int`, `long`, `float`, `double` | [Int64](../sql-reference/data-types/int-uint.md), [UInt64](../sql-reference/data-types/int-uint.md) | `long` |
| `boolean`, `int`, `long`, `float`, `double` | [Float32](../sql-reference/data-types/float.md) | `float` |
| `boolean`, `int`, `long`, `float`, `double` | [Float64](../sql-reference/data-types/float.md) | `double` |
| `bytes`, `string`, `fixed`, `enum` | [String](../sql-reference/data-types/string.md) | `bytes` |
| `bytes`, `string`, `fixed`, `enum` | [String](../sql-reference/data-types/string.md) | `bytes` or `string` \* |
| `bytes`, `string`, `fixed` | [FixedString(N)](../sql-reference/data-types/fixedstring.md) | `fixed(N)` |
| `enum` | [Enum(8\|16)](../sql-reference/data-types/enum.md) | `enum` |
| `array(T)` | [Array(T)](../sql-reference/data-types/array.md) | `array(T)` |
| `union(null, T)`, `union(T, null)` | [Nullable(T)](../sql-reference/data-types/date.md) | `union(null, T)` |
| `null` | [Nullable(Nothing)](../sql-reference/data-types/special-data-types/nothing.md) | `null` |
| `int (date)` \* | [Date](../sql-reference/data-types/date.md) | `int (date)` \* |
| `long (timestamp-millis)` \* | [DateTime64(3)](../sql-reference/data-types/datetime.md) | `long (timestamp-millis)` \* |
| `long (timestamp-micros)` \* | [DateTime64(6)](../sql-reference/data-types/datetime.md) | `long (timestamp-micros)` \* |
| `int (date)` \** | [Date](../sql-reference/data-types/date.md) | `int (date)` \** |
| `long (timestamp-millis)` \** | [DateTime64(3)](../sql-reference/data-types/datetime.md) | `long (timestamp-millis)` \* |
| `long (timestamp-micros)` \** | [DateTime64(6)](../sql-reference/data-types/datetime.md) | `long (timestamp-micros)` \* |
\* [Avro logical types](https://avro.apache.org/docs/current/spec.html#Logical+Types)
\* `bytes` is default, controlled by [output_format_avro_string_column_pattern](../operations/settings/settings.md#settings-output_format_avro_string_column_pattern)
\** [Avro logical types](https://avro.apache.org/docs/current/spec.html#Logical+Types)
Unsupported Avro data types: `record` (non-root), `map`
@ -1246,12 +1247,14 @@ The table below shows supported data types and how they match ClickHouse [data t
| `DOUBLE` | [Float64](../sql-reference/data-types/float.md) | `DOUBLE` |
| `DATE32` | [Date](../sql-reference/data-types/date.md) | `UINT16` |
| `DATE64`, `TIMESTAMP` | [DateTime](../sql-reference/data-types/datetime.md) | `UINT32` |
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `STRING` |
| — | [FixedString](../sql-reference/data-types/fixedstring.md) | `STRING` |
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `BINARY` |
| — | [FixedString](../sql-reference/data-types/fixedstring.md) | `BINARY` |
| `DECIMAL` | [Decimal](../sql-reference/data-types/decimal.md) | `DECIMAL` |
| `LIST` | [Array](../sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](../sql-reference/data-types/tuple.md) | `STRUCT` |
| `MAP` | [Map](../sql-reference/data-types/map.md) | `MAP` |
Arrays can be nested and can have a value of the `Nullable` type as an argument.
Arrays can be nested and can have a value of the `Nullable` type as an argument. `Tuple` and `Map` types also can be nested.
ClickHouse supports configurable precision of `Decimal` type. The `INSERT` query treats the Parquet `DECIMAL` type as the ClickHouse `Decimal128` type.
@ -1299,13 +1302,17 @@ The table below shows supported data types and how they match ClickHouse [data t
| `DOUBLE` | [Float64](../sql-reference/data-types/float.md) | `FLOAT64` |
| `DATE32` | [Date](../sql-reference/data-types/date.md) | `UINT16` |
| `DATE64`, `TIMESTAMP` | [DateTime](../sql-reference/data-types/datetime.md) | `UINT32` |
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `UTF8` |
| `STRING`, `BINARY` | [FixedString](../sql-reference/data-types/fixedstring.md) | `UTF8` |
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `BINARY` |
| `STRING`, `BINARY` | [FixedString](../sql-reference/data-types/fixedstring.md) | `BINARY` |
| `DECIMAL` | [Decimal](../sql-reference/data-types/decimal.md) | `DECIMAL` |
| `DECIMAL256` | [Decimal256](../sql-reference/data-types/decimal.md)| `DECIMAL256` |
| `LIST` | [Array](../sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](../sql-reference/data-types/tuple.md) | `STRUCT` |
| `MAP` | [Map](../sql-reference/data-types/map.md) | `MAP` |
Arrays can be nested and can have a value of the `Nullable` type as an argument.
Arrays can be nested and can have a value of the `Nullable` type as an argument. `Tuple` and `Map` types also can be nested.
The `DICTIONARY` type is supported for `INSERT` queries, and for `SELECT` queries there is an [output_format_arrow_low_cardinality_as_dictionary](../operations/settings/settings.md#output-format-arrow-low-cardinality-as-dictionary) setting that allows to output [LowCardinality](../sql-reference/data-types/lowcardinality.md) type as a `DICTIONARY` type.
ClickHouse supports configurable precision of the `Decimal` type. The `INSERT` query treats the Arrow `DECIMAL` type as the ClickHouse `Decimal128` type.
@ -1358,8 +1365,10 @@ The table below shows supported data types and how they match ClickHouse [data t
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `BINARY` |
| `DECIMAL` | [Decimal](../sql-reference/data-types/decimal.md) | `DECIMAL` |
| `LIST` | [Array](../sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](../sql-reference/data-types/tuple.md) | `STRUCT` |
| `MAP` | [Map](../sql-reference/data-types/map.md) | `MAP` |
Arrays can be nested and can have a value of the `Nullable` type as an argument.
Arrays can be nested and can have a value of the `Nullable` type as an argument. `Tuple` and `Map` types also can be nested.
ClickHouse supports configurable precision of the `Decimal` type. The `INSERT` query treats the ORC `DECIMAL` type as the ClickHouse `Decimal128` type.

1
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@ -157,5 +157,6 @@ toc_title: Adopters
| <a href="https://signoz.io/" class="favicon">SigNoz</a> | Observability Platform | Main Product | — | — | [Source code](https://github.com/SigNoz/signoz) |
| <a href="https://chelpipegroup.com/" class="favicon">ChelPipe Group</a> | Analytics | — | — | — | [Blog post, June 2021](https://vc.ru/trade/253172-tyazhelomu-proizvodstvu-user-friendly-sayt-internet-magazin-trub-dlya-chtpz) |
| <a href="https://zagravagames.com/en/" class="favicon">Zagrava Trading</a> | — | — | — | — | [Job offer, May 2021](https://twitter.com/datastackjobs/status/1394707267082063874) |
| <a href="https://beeline.ru/" class="favicon">Beeline</a> | Telecom | Data Platform | — | — | [Blog post, July 2021](https://habr.com/en/company/beeline/blog/567508/) |
[Original article](https://clickhouse.tech/docs/en/introduction/adopters/) <!--hide-->

2
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@ -10,7 +10,7 @@ ClickHouse server use [ZooKeeper](https://zookeeper.apache.org/) coordination sy
!!! warning "Warning"
This feature currently in pre-production stage. We test it in our CI and on small internal installations.
## Implemetation details
## Implementation details
ZooKeeper is one of the first well-known open-source coordination systems. It's implemented in Java, has quite a simple and powerful data model. ZooKeeper's coordination algorithm called ZAB (ZooKeeper Atomic Broadcast) doesn't provide linearizability guarantees for reads, because each ZooKeeper node serves reads locally. Unlike ZooKeeper `clickhouse-keeper` written in C++ and use [RAFT algorithm](https://raft.github.io/) [implementation](https://github.com/eBay/NuRaft). This algorithm allows to have linearizability for reads and writes, has several open-source implementations in different languages.

12
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@ -278,4 +278,16 @@ Possible values:
Default value: `0`.
## check_sample_column_is_correct {#check_sample_column_is_correct}
Enables to check column for sampling or sampling expression is correct at table creation.
Possible values:
- true — Check column or sampling expression is correct at table creation.
- false — Do not check column or sampling expression is correct at table creation.
Default value: `true`.
By default, the ClickHouse server check column for sampling or sampling expression at table creation. If you already had tables with incorrect sampling expression, set value `false` to make ClickHouse server do not raise exception when ClickHouse server is starting.
[Original article](https://clickhouse.tech/docs/en/operations/settings/merge_tree_settings/) <!--hide-->

77
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@ -1738,7 +1738,7 @@ Default value: 0.
## optimize_functions_to_subcolumns {#optimize-functions-to-subcolumns}
Enables or disables optimization by transforming some functions to reading subcolumns. This reduces the amount of data to read.
Enables or disables optimization by transforming some functions to reading subcolumns. This reduces the amount of data to read.
These functions can be transformed:
@ -1969,6 +1969,13 @@ Possible values: 32 (32 bytes) - 1073741824 (1 GiB)
Default value: 32768 (32 KiB)
## output_format_avro_string_column_pattern {#output_format_avro_string_column_pattern}
Regexp of column names of type String to output as Avro `string` (default is `bytes`).
RE2 syntax is supported.
Type: string
## format_avro_schema_registry_url {#format_avro_schema_registry_url}
Sets [Confluent Schema Registry](https://docs.confluent.io/current/schema-registry/index.html) URL to use with [AvroConfluent](../../interfaces/formats.md#data-format-avro-confluent) format.
@ -1998,6 +2005,16 @@ Possible values:
Default value: 16.
## merge_selecting_sleep_ms {#merge_selecting_sleep_ms}
Sleep time for merge selecting when no part selected, a lower setting will trigger selecting tasks in background_schedule_pool frequently which result in large amount of requests to zookeeper in large-scale clusters
Possible values:
- Any positive integer.
Default value: 5000
## parallel_distributed_insert_select {#parallel_distributed_insert_select}
Enables parallel distributed `INSERT ... SELECT` query.
@ -3131,6 +3148,53 @@ SELECT
FROM fuse_tbl
```
## allow_experimental_database_replicated {#allow_experimental_database_replicated}
Enables to create databases with [Replicated](../../engines/database-engines/replicated.md) engine.
Possible values:
- 0 — Disabled.
- 1 — Enabled.
Default value: `0`.
## database_replicated_initial_query_timeout_sec {#database_replicated_initial_query_timeout_sec}
Sets how long initial DDL query should wait for Replicated database to precess previous DDL queue entries in seconds.
Possible values:
- Positive integer.
- 0 — Unlimited.
Default value: `300`.
## distributed_ddl_task_timeout {#distributed_ddl_task_timeout}
Sets timeout for DDL query responses from all hosts in cluster. If a DDL request has not been performed on all hosts, a response will contain a timeout error and a request will be executed in an async mode. Negative value means infinite.
Possible values:
- Positive integer.
- 0 — Async mode.
- Negative integer — infinite timeout.
Default value: `180`.
## distributed_ddl_output_mode {#distributed_ddl_output_mode}
Sets format of distributed DDL query result.
Possible values:
- `throw` — Returns result set with query execution status for all hosts where query is finished. If query has failed on some hosts, then it will rethrow the first exception. If query is not finished yet on some hosts and [distributed_ddl_task_timeout](#distributed_ddl_task_timeout) exceeded, then it throws `TIMEOUT_EXCEEDED` exception.
- `none` — Is similar to throw, but distributed DDL query returns no result set.
- `null_status_on_timeout` — Returns `NULL` as execution status in some rows of result set instead of throwing `TIMEOUT_EXCEEDED` if query is not finished on the corresponding hosts.
- `never_throw` — Do not throw `TIMEOUT_EXCEEDED` and do not rethrow exceptions if query has failed on some hosts.
Default value: `throw`.
## flatten_nested {#flatten-nested}
Sets the data format of a [nested](../../sql-reference/data-types/nested-data-structures/nested.md) columns.
@ -3210,3 +3274,14 @@ Default value: `1`.
**Usage**
If the setting is set to `0`, the table function does not make Nullable columns and inserts default values instead of NULL. This is also applicable for NULL values inside arrays.
## output_format_arrow_low_cardinality_as_dictionary {#output-format-arrow-low-cardinality-as-dictionary}
Allows to convert the [LowCardinality](../../sql-reference/data-types/lowcardinality.md) type to the `DICTIONARY` type of the [Arrow](../../interfaces/formats.md#data-format-arrow) format for `SELECT` queries.
Possible values:
- 0 — The `LowCardinality` type is not converted to the `DICTIONARY` type.
- 1 — The `LowCardinality` type is converted to the `DICTIONARY` type.
Default value: `0`.

3
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@ -47,6 +47,7 @@ Settings:
- [low_cardinality_use_single_dictionary_for_part](../../operations/settings/settings.md#low_cardinality_use_single_dictionary_for_part)
- [low_cardinality_allow_in_native_format](../../operations/settings/settings.md#low_cardinality_allow_in_native_format)
- [allow_suspicious_low_cardinality_types](../../operations/settings/settings.md#allow_suspicious_low_cardinality_types)
- [output_format_arrow_low_cardinality_as_dictionary](../../operations/settings/settings.md#output-format-arrow-low-cardinality-as-dictionary)
Functions:
@ -57,5 +58,3 @@ Functions:
- [A Magical Mystery Tour of the LowCardinality Data Type](https://www.altinity.com/blog/2019/3/27/low-cardinality).
- [Reducing ClickHouse Storage Cost with the Low Cardinality Type – Lessons from an Instana Engineer](https://www.instana.com/blog/reducing-clickhouse-storage-cost-with-the-low-cardinality-type-lessons-from-an-instana-engineer/).
- [String Optimization (video presentation in Russian)](https://youtu.be/rqf-ILRgBdY?list=PL0Z2YDlm0b3iwXCpEFiOOYmwXzVmjJfEt). [Slides in English](https://github.com/yandex/clickhouse-presentations/raw/master/meetup19/string_optimization.pdf).
[Original article](https://clickhouse.tech/docs/en/sql-reference/data-types/lowcardinality/) <!--hide-->

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@ -465,27 +465,29 @@ Result:
## CAST(x, T) {#type_conversion_function-cast}
Converts input value `x` to the `T` data type. Unlike to `reinterpret` function, type conversion is performed in a natural way.
The syntax `CAST(x AS t)` is also supported.
!!! note "Note"
If value `x` does not fit the bounds of type `T`, the function overflows. For example, `CAST(-1, 'UInt8')` returns `255`.
Converts an input value to the specified data type. Unlike the [reinterpret](#type_conversion_function-reinterpret) function, `CAST` tries to present the same value using the new data type. If the conversion can not be done then an exception is raised.
Several syntax variants are supported.
**Syntax**
``` sql
CAST(x, T)
CAST(x AS t)
x::t
```
**Arguments**
- `x` — Any type.
- `T` — Destination type. [String](../../sql-reference/data-types/string.md).
- `x` — A value to convert. May be of any type.
- `T` — The name of the target data type. [String](../../sql-reference/data-types/string.md).
- `t` — The target data type.
**Returned value**
- Destination type value.
- Converted value.
!!! note "Note"
If the input value does not fit the bounds of the target type, the result overflows. For example, `CAST(-1, 'UInt8')` returns `255`.
**Examples**
@ -494,16 +496,16 @@ Query:
```sql
SELECT
CAST(toInt8(-1), 'UInt8') AS cast_int_to_uint,
CAST(toInt8(1), 'Float32') AS cast_int_to_float,
CAST('1', 'UInt32') AS cast_string_to_int;
CAST(1.5 AS Decimal(3,2)) AS cast_float_to_decimal,
'1'::Int32 AS cast_string_to_int;
```
Result:
```
┌─cast_int_to_uint─┬─cast_int_to_float─┬─cast_string_to_int─┐
│ 255 │ 1 │ 1 │
└──────────────────┴───────────────────┴────────────────────┘
┌─cast_int_to_uint─┬─cast_float_to_decimal─┬─cast_string_to_int─┐
│ 255 │ 1.50 │ 1 │
└──────────────────┴───────────────────────┴────────────────────┘
```
Query:

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@ -1 +0,0 @@
../../en/development/build-osx.md

125
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@ -0,0 +1,125 @@
---
toc_priority: 65
toc_title: Сборка на Mac OS X
---
# Как собрать ClickHouse на Mac OS X {#how-to-build-clickhouse-on-mac-os-x}
Сборка должна запускаться с x86_64 (Intel) на macOS версии 10.15 (Catalina) и выше в последней версии компилятора Xcode's native AppleClang, Homebrew's vanilla Clang или в GCC-компиляторах.
## Установка Homebrew {#install-homebrew}
``` bash
$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
```
## Установка Xcode и инструментов командной строки {#install-xcode-and-command-line-tools}
1. Установите из App Store последнюю версию [Xcode](https://apps.apple.com/am/app/xcode/id497799835?mt=12).
2. Запустите ее, чтобы принять лицензионное соглашение. Необходимые компоненты установятся автоматически.
3. Затем убедитесь, что в системе выбрана последняя версия инструментов командной строки:
``` bash
$ sudo rm -rf /Library/Developer/CommandLineTools
$ sudo xcode-select --install
```
4. Перезагрузитесь.
## Установка компиляторов, инструментов и библиотек {#install-required-compilers-tools-and-libraries}
``` bash
$ brew update
$ brew install cmake ninja libtool gettext llvm gcc
```
## Просмотр исходников ClickHouse {#checkout-clickhouse-sources}
``` bash
$ git clone --recursive git@github.com:ClickHouse/ClickHouse.git # or https://github.com/ClickHouse/ClickHouse.git
```
## Сборка ClickHouse {#build-clickhouse}
Чтобы запустить сборку в компиляторе Xcode's native AppleClang:
``` bash
$ cd ClickHouse
$ rm -rf build
$ mkdir build
$ cd build
$ cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_JEMALLOC=OFF ..
$ cmake --build . --config RelWithDebInfo
$ cd ..
```
Чтобы запустить сборку в компиляторе Homebrew's vanilla Clang:
``` bash
$ cd ClickHouse
$ rm -rf build
$ mkdir build
$ cd build
$ cmake -DCMAKE_C_COMPILER=$(brew --prefix llvm)/bin/clang -DCMAKE_CXX_COMPILER==$(brew --prefix llvm)/bin/clang++ -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_JEMALLOC=OFF ..
$ cmake -DCMAKE_C_COMPILER=$(brew --prefix llvm)/bin/clang -DCMAKE_CXX_COMPILER=$(brew --prefix llvm)/bin/clang++ -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_JEMALLOC=OFF ..
$ cmake --build . --config RelWithDebInfo
$ cd ..
```
Чтобы собрать с помощью компилятора Homebrew's vanilla GCC:
``` bash
$ cd ClickHouse
$ rm -rf build
$ mkdir build
$ cd build
$ cmake -DCMAKE_C_COMPILER=$(brew --prefix gcc)/bin/gcc-10 -DCMAKE_CXX_COMPILER=$(brew --prefix gcc)/bin/g++-10 -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_JEMALLOC=OFF ..
$ cmake --build . --config RelWithDebInfo
$ cd ..
```
## Предупреждения {#caveats}
Если будете запускать `clickhouse-server`, убедитесь, что увеличили системную переменную `maxfiles`.
!!! info "Note"
Вам понадобится команда `sudo`.
1. Создайте файл `/Library/LaunchDaemons/limit.maxfiles.plist` и поместите в него следующее:
``` xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>limit.maxfiles</string>
<key>ProgramArguments</key>
<array>
<string>launchctl</string>
<string>limit</string>
<string>maxfiles</string>
<string>524288</string>
<string>524288</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>ServiceIPC</key>
<false/>
</dict>
</plist>
```
2. Выполните команду:
``` bash
$ sudo chown root:wheel /Library/LaunchDaemons/limit.maxfiles.plist
```
3. Перезагрузитесь.
4. Чтобы проверить, как это работает, выполните команду `ulimit -n`.
[Original article](https://clickhouse.tech/docs/en/development/build_osx/) <!--hide-->

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@ -20,3 +20,5 @@ toc_title: "Введение"
- [PostgreSQL](../../engines/database-engines/postgresql.md)
- [Replicated](../../engines/database-engines/replicated.md)

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@ -0,0 +1,119 @@
# [экспериментальный] Replicated {#replicated}
Движок основан на движке [Atomic](../../engines/database-engines/atomic.md). Он поддерживает репликацию метаданных через журнал DDL, записываемый в ZooKeeper и выполняемый на всех репликах для данной базы данных.
На одном сервере ClickHouse может одновременно работать и обновляться несколько реплицированных баз данных. Но не может существовать нескольких реплик одной и той же реплицированной базы данных.
## Создание базы данных {#creating-a-database}
``` sql
CREATE DATABASE testdb ENGINE = Replicated('zoo_path', 'shard_name', 'replica_name') [SETTINGS ...]
```
**Параметры движка**
- `zoo_path` — путь в ZooKeeper. Один и тот же путь ZooKeeper соответствует одной и той же базе данных.
- `shard_name` — Имя шарда. Реплики базы данных группируются в шарды по имени.
- `replica_name` — Имя реплики. Имена реплик должны быть разными для всех реплик одного и того же шарда.
!!! note "Предупреждение"
Для таблиц [ReplicatedMergeTree](../table-engines/mergetree-family/replication.md#table_engines-replication) если аргументы не заданы, то используются аргументы по умолчанию: `/clickhouse/tables/{uuid}/{shard}` и `{replica}`. Они могут быть изменены в серверных настройках: [default_replica_path](../../operations/server-configuration-parameters/settings.md#default_replica_path) и [default_replica_name](../../operations/server-configuration-parameters/settings.md#default_replica_name). Макрос `{uuid}` раскрывается в `UUID` таблицы, `{shard}` и `{replica}` — в значения из конфига сервера. В будущем появится возможность использовать значения `shard_name` и `replica_name` аргументов движка базы данных `Replicated`.
## Особенности и рекомендации {#specifics-and-recommendations}
DDL-запросы с базой данных `Replicated` работают похожим образом на [ON CLUSTER](../../sql-reference/distributed-ddl.md) запросы, но с небольшими отличиями.
Сначала DDL-запрос пытается выполниться на инициаторе (том хосте, который изначально получил запрос от пользователя). Если запрос не выполнился, то пользователь сразу получает ошибку, другие хосты не пытаются его выполнить. Если запрос успешно выполнился на инициаторе, то все остальные хосты будут автоматически делать попытки выполнить его.
Инициатор попытается дождаться выполнения запроса на других хостах (не дольше [distributed_ddl_task_timeout](../../operations/settings/settings.md#distributed_ddl_task_timeout)) и вернёт таблицу со статусами выполнения запроса на каждом хосте.
Поведение в случае ошибок регулируется настройкой [distributed_ddl_output_mode](../../operations/settings/settings.md#distributed_ddl_output_mode), для `Replicated` лучше выставлять её в `null_status_on_timeout` — т.е. если какие-то хосты не успели выполнить запрос за [distributed_ddl_task_timeout](../../operations/settings/settings.md#distributed_ddl_task_timeout), то вместо исключения для них будет показан статус `NULL` в таблице.
В системной таблице [system.clusters](../../operations/system-tables/clusters.md) есть кластер с именем, как у реплицируемой базы, который состоит из всех реплик базы. Этот кластер обновляется автоматически при создании/удалении реплик, и его можно использовать для [Distributed](../../engines/table-engines/special/distributed.md#distributed) таблиц.
При создании новой реплики базы, эта реплика сама создаёт таблицы. Если реплика долго была недоступна и отстала от лога репликации — она сверяет свои локальные метаданные с актуальными метаданными в ZooKeeper, перекладывает лишние таблицы с данными в отдельную нереплицируемую базу (чтобы случайно не удалить что-нибудь лишнее), создаёт недостающие таблицы, обновляет имена таблиц, если были переименования. Данные реплицируются на уровне `ReplicatedMergeTree`, т.е. если таблица не реплицируемая, то данные реплицироваться не будут (база отвечает только за метаданные).
## Примеры использования {#usage-example}
Создадим реплицируемую базу на трех хостах:
``` sql
node1 :) CREATE DATABASE r ENGINE=Replicated('some/path/r','shard1','replica1');
node2 :) CREATE DATABASE r ENGINE=Replicated('some/path/r','shard1','other_replica');
node3 :) CREATE DATABASE r ENGINE=Replicated('some/path/r','other_shard','{replica}');
```
Выполним DDL-запрос на одном из хостов:
``` sql
CREATE TABLE r.rmt (n UInt64) ENGINE=ReplicatedMergeTree ORDER BY n;
```
Запрос выполнится на всех остальных хостах:
``` text
┌─────hosts────────────┬──status─┬─error─┬─num_hosts_remaining─┬─num_hosts_active─┐
│ shard1|replica1 │ 0 │ │ 2 │ 0 │
│ shard1|other_replica │ 0 │ │ 1 │ 0 │
│ other_shard|r1 │ 0 │ │ 0 │ 0 │
└──────────────────────┴─────────┴───────┴─────────────────────┴──────────────────┘
```
Кластер в системной таблице `system.clusters`:
``` sql
SELECT cluster, shard_num, replica_num, host_name, host_address, port, is_local
FROM system.clusters WHERE cluster='r';
```
``` text
┌─cluster─┬─shard_num─┬─replica_num─┬─host_name─┬─host_address─┬─port─┬─is_local─┐
│ r │ 1 │ 1 │ node3 │ 127.0.0.1 │ 9002 │ 0 │
│ r │ 2 │ 1 │ node2 │ 127.0.0.1 │ 9001 │ 0 │
│ r │ 2 │ 2 │ node1 │ 127.0.0.1 │ 9000 │ 1 │
└─────────┴───────────┴─────────────┴───────────┴──────────────┴──────┴──────────┘
```
Создадим распределенную таблицу и вставим в нее данные:
``` sql
node2 :) CREATE TABLE r.d (n UInt64) ENGINE=Distributed('r','r','rmt', n % 2);
node3 :) INSERT INTO r SELECT * FROM numbers(10);
node1 :) SELECT materialize(hostName()) AS host, groupArray(n) FROM r.d GROUP BY host;
```
``` text
┌─hosts─┬─groupArray(n)─┐
│ node1 │ [1,3,5,7,9] │
│ node2 │ [0,2,4,6,8] │
└───────┴───────────────┘
```
Добавление реплики:
``` sql
node4 :) CREATE DATABASE r ENGINE=Replicated('some/path/r','other_shard','r2');
```
Новая реплика автоматически создаст все таблицы, которые есть в базе, а старые реплики перезагрузят из ZooKeeper-а конфигурацию кластера:
``` text
┌─cluster─┬─shard_num─┬─replica_num─┬─host_name─┬─host_address─┬─port─┬─is_local─┐
│ r │ 1 │ 1 │ node3 │ 127.0.0.1 │ 9002 │ 0 │
│ r │ 1 │ 2 │ node4 │ 127.0.0.1 │ 9003 │ 0 │
│ r │ 2 │ 1 │ node2 │ 127.0.0.1 │ 9001 │ 0 │
│ r │ 2 │ 2 │ node1 │ 127.0.0.1 │ 9000 │ 1 │
└─────────┴───────────┴─────────────┴───────────┴──────────────┴──────┴──────────┘
```
Распределенная таблица также получит данные от нового хоста:
```sql
node2 :) SELECT materialize(hostName()) AS host, groupArray(n) FROM r.d GROUP BY host;
```
```text
┌─hosts─┬─groupArray(n)─┐
│ node2 │ [1,3,5,7,9] │
│ node4 │ [0,2,4,6,8] │
└───────┴───────────────┘
```

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@ -100,9 +100,9 @@ sudo ./clickhouse install
Для других операционных систем и архитектуры AArch64 сборки ClickHouse предоставляются в виде кросс-компилированного бинарного файла из последнего коммита ветки `master` (с задержкой в несколько часов).
- [macOS](https://builds.clickhouse.tech/master/macos/clickhouse) — `curl -O 'https://builds.clickhouse.tech/master/macos/clickhouse' && chmod a+x ./clickhouse`
- [AArch64](https://builds.clickhouse.tech/master/aarch64/clickhouse) — `curl -O 'https://builds.clickhouse.tech/master/aarch64/clickhouse' && chmod a+x ./clickhouse`
- [FreeBSD](https://builds.clickhouse.tech/master/freebsd/clickhouse) — `curl -O 'https://builds.clickhouse.tech/master/freebsd/clickhouse' && chmod a+x ./clickhouse`
- [macOS](https://builds.clickhouse.tech/master/macos/clickhouse) — `curl -O 'https://builds.clickhouse.tech/master/macos/clickhouse' && chmod a+x ./clickhouse`
- [FreeBSD](https://builds.clickhouse.tech/master/freebsd/clickhouse) — `curl -O 'https://builds.clickhouse.tech/master/freebsd/clickhouse' && chmod a+x ./clickhouse`
- [AArch64](https://builds.clickhouse.tech/master/aarch64/clickhouse) — `curl -O 'https://builds.clickhouse.tech/master/aarch64/clickhouse' && chmod a+x ./clickhouse`
После скачивания можно воспользоваться `clickhouse client` для подключения к серверу или `clickhouse local` для обработки локальных данных.

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@ -1165,12 +1165,14 @@ SELECT * FROM topic1_stream;
| `DOUBLE` | [Float64](../sql-reference/data-types/float.md) | `DOUBLE` |
| `DATE32` | [Date](../sql-reference/data-types/date.md) | `UINT16` |
| `DATE64`, `TIMESTAMP` | [DateTime](../sql-reference/data-types/datetime.md) | `UINT32` |
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `STRING` |
| — | [FixedString](../sql-reference/data-types/fixedstring.md) | `STRING` |
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `BINARY` |
| — | [FixedString](../sql-reference/data-types/fixedstring.md) | `BINARY` |
| `DECIMAL` | [Decimal](../sql-reference/data-types/decimal.md) | `DECIMAL` |
| `LIST` | [Array](../sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](../sql-reference/data-types/tuple.md) | `STRUCT` |
| `MAP` | [Map](../sql-reference/data-types/map.md) | `MAP` |
Массивы могут быть вложенными и иметь в качестве аргумента значение типа `Nullable`.
Массивы могут быть вложенными и иметь в качестве аргумента значение типа `Nullable`. Типы `Tuple` и `Map` также могут быть вложенными.
ClickHouse поддерживает настраиваемую точность для формата `Decimal`. При выполнении запроса `INSERT` ClickHouse обрабатывает тип данных Parquet `DECIMAL` как `Decimal128`.
@ -1218,12 +1220,17 @@ $ clickhouse-client --query="SELECT * FROM {some_table} FORMAT Parquet" > {some_
| `DOUBLE` | [Float64](../sql-reference/data-types/float.md) | `FLOAT64` |
| `DATE32` | [Date](../sql-reference/data-types/date.md) | `UINT16` |
| `DATE64`, `TIMESTAMP` | [DateTime](../sql-reference/data-types/datetime.md) | `UINT32` |
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `UTF8` |
| `STRING`, `BINARY` | [FixedString](../sql-reference/data-types/fixedstring.md) | `UTF8` |
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `BINARY` |
| `STRING`, `BINARY` | [FixedString](../sql-reference/data-types/fixedstring.md) | `BINARY` |
| `DECIMAL` | [Decimal](../sql-reference/data-types/decimal.md) | `DECIMAL` |
| `DECIMAL256` | [Decimal256](../sql-reference/data-types/decimal.md)| `DECIMAL256` |
| `LIST` | [Array](../sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](../sql-reference/data-types/tuple.md) | `STRUCT` |
| `MAP` | [Map](../sql-reference/data-types/map.md) | `MAP` |
Массивы могут быть вложенными и иметь в качестве аргумента значение типа `Nullable`.
Массивы могут быть вложенными и иметь в качестве аргумента значение типа `Nullable`. Типы `Tuple` и `Map` также могут быть вложенными.
Тип `DICTIONARY` поддерживается для запросов `INSERT`. Для запросов `SELECT` есть настройка [output_format_arrow_low_cardinality_as_dictionary](../operations/settings/settings.md#output-format-arrow-low-cardinality-as-dictionary), которая позволяет выводить тип [LowCardinality](../sql-reference/data-types/lowcardinality.md) как `DICTIONARY`.
ClickHouse поддерживает настраиваемую точность для формата `Decimal`. При выполнении запроса `INSERT` ClickHouse обрабатывает тип данных Arrow `DECIMAL` как `Decimal128`.
@ -1276,8 +1283,10 @@ $ clickhouse-client --query="SELECT * FROM {some_table} FORMAT Arrow" > {filenam
| `STRING`, `BINARY` | [String](../sql-reference/data-types/string.md) | `BINARY` |
| `DECIMAL` | [Decimal](../sql-reference/data-types/decimal.md) | `DECIMAL` |
| `LIST` | [Array](../sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](../sql-reference/data-types/tuple.md) | `STRUCT` |
| `MAP` | [Map](../sql-reference/data-types/map.md) | `MAP` |
Массивы могут быть вложенными и иметь в качестве аргумента значение типа `Nullable`.
Массивы могут быть вложенными и иметь в качестве аргумента значение типа `Nullable`. Типы `Tuple` и `Map` также могут быть вложенными.
ClickHouse поддерживает настраиваемую точность для формата `Decimal`. При выполнении запроса `INSERT` ClickHouse обрабатывает тип данных ORC `DECIMAL` как `Decimal128`.

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@ -2986,6 +2986,53 @@ SELECT
FROM fuse_tbl
```
## allow_experimental_database_replicated {#allow_experimental_database_replicated}
Позволяет создавать базы данных с движком [Replicated](../../engines/database-engines/replicated.md).
Возможные значения:
- 0 — Disabled.
- 1 — Enabled.
Значение по умолчанию: `0`.
## database_replicated_initial_query_timeout_sec {#database_replicated_initial_query_timeout_sec}
Устанавливает, как долго начальный DDL-запрос должен ждать, пока реплицированная база данных прецессирует предыдущие записи очереди DDL в секундах.
Возможные значения:
- Положительное целое число.
- 0 — Не ограничено.
Значение по умолчанию: `300`.
## distributed_ddl_task_timeout {#distributed_ddl_task_timeout}
Устанавливает тайм-аут для ответов на DDL-запросы от всех хостов в кластере. Если DDL-запрос не был выполнен на всех хостах, ответ будет содержать ошибку тайм-аута, и запрос будет выполнен в асинхронном режиме.
Возможные значения:
- Положительное целое число.
- 0 — Асинхронный режим.
- Отрицательное число — бесконечный тайм-аут.
Значение по умолчанию: `180`.
## distributed_ddl_output_mode {#distributed_ddl_output_mode}
Задает формат результата распределенного DDL-запроса.
Возможные значения:
- `throw` — возвращает набор результатов со статусом выполнения запросов для всех хостов, где завершен запрос. Если запрос не выполнился на некоторых хостах, то будет выброшено исключение. Если запрос еще не закончен на некоторых хостах и таймаут [distributed_ddl_task_timeout](#distributed_ddl_task_timeout) превышен, то выбрасывается исключение `TIMEOUT_EXCEEDED`.
- `none` — идентично `throw`, но распределенный DDL-запрос не возвращает набор результатов.
- `null_status_on_timeout` — возвращает `NULL` в качестве статуса выполнения в некоторых строках набора результатов вместо выбрасывания `TIMEOUT_EXCEEDED`, если запрос не закончен на соответствующих хостах.
- `never_throw` — не выбрасывает исключение и `TIMEOUT_EXCEEDED`, если запрос не удался на некоторых хостах.
Значение по умолчанию: `throw`.
## flatten_nested {#flatten-nested}
Устанавливает формат данных у [вложенных](../../sql-reference/data-types/nested-data-structures/nested.md) столбцов.
@ -3066,3 +3113,14 @@ SETTINGS index_granularity = 8192 │
**Использование**
Если установлено значение `0`, то табличная функция не делает Nullable столбцы, а вместо NULL выставляет значения по умолчанию для скалярного типа. Это также применимо для значений NULL внутри массивов.
## output_format_arrow_low_cardinality_as_dictionary {#output-format-arrow-low-cardinality-as-dictionary}
Позволяет конвертировать тип [LowCardinality](../../sql-reference/data-types/lowcardinality.md) в тип `DICTIONARY` формата [Arrow](../../interfaces/formats.md#data-format-arrow) для запросов `SELECT`.
Возможные значения:
- 0 — тип `LowCardinality` не конвертируется в тип `DICTIONARY`.
- 1 — тип `LowCardinality` конвертируется в тип `DICTIONARY`.
Значение по умолчанию: `0`.

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@ -15,7 +15,7 @@ LowCardinality(data_type)
**Параметры**
- `data_type` — [String](string.md), [FixedString](fixedstring.md), [Date](date.md), [DateTime](datetime.md) и числа за исключением типа [Decimal](decimal.md). `LowCardinality` неэффективен для некоторых типов данных, см. описание настройки [allow_suspicious_low_cardinality_types](../../operations/settings/settings.md#allow_suspicious_low_cardinality_types).
- `data_type` — [String](string.md), [FixedString](fixedstring.md), [Date](date.md), [DateTime](datetime.md) и числа за исключением типа [Decimal](decimal.md). `LowCardinality` неэффективен для некоторых типов данных, см. описание настройки [allow_suspicious_low_cardinality_types](../../operations/settings/settings.md#allow_suspicious_low_cardinality_types).
## Описание {#lowcardinality-dscr}
@ -23,11 +23,11 @@ LowCardinality(data_type)
Эффективность использования типа данных `LowCarditality` зависит от разнообразия данных. Если словарь содержит менее 10 000 различных значений, ClickHouse в основном показывает более высокую эффективность чтения и хранения данных. Если же словарь содержит более 100 000 различных значений, ClickHouse может работать хуже, чем при использовании обычных типов данных.
При работе со строками, использование `LowCardinality` вместо [Enum](enum.md) обеспечивает большую гибкость в использовании и часто показывает такую же или более высокую эффективность.
При работе со строками использование `LowCardinality` вместо [Enum](enum.md) обеспечивает большую гибкость в использовании и часто показывает такую же или более высокую эффективность.
## Пример
Создать таблицу со столбцами типа `LowCardinality`:
Создание таблицы со столбцами типа `LowCardinality`:
```sql
CREATE TABLE lc_t
@ -43,18 +43,18 @@ ORDER BY id
Настройки:
- [low_cardinality_max_dictionary_size](../../operations/settings/settings.md#low_cardinality_max_dictionary_size)
- [low_cardinality_use_single_dictionary_for_part](../../operations/settings/settings.md#low_cardinality_use_single_dictionary_for_part)
- [low_cardinality_allow_in_native_format](../../operations/settings/settings.md#low_cardinality_allow_in_native_format)
- [allow_suspicious_low_cardinality_types](../../operations/settings/settings.md#allow_suspicious_low_cardinality_types)
- [low_cardinality_max_dictionary_size](../../operations/settings/settings.md#low_cardinality_max_dictionary_size)
- [low_cardinality_use_single_dictionary_for_part](../../operations/settings/settings.md#low_cardinality_use_single_dictionary_for_part)
- [low_cardinality_allow_in_native_format](../../operations/settings/settings.md#low_cardinality_allow_in_native_format)
- [allow_suspicious_low_cardinality_types](../../operations/settings/settings.md#allow_suspicious_low_cardinality_types)
- [output_format_arrow_low_cardinality_as_dictionary](../../operations/settings/settings.md#output-format-arrow-low-cardinality-as-dictionary)
Функции:
- [toLowCardinality](../functions/type-conversion-functions.md#tolowcardinality)
- [toLowCardinality](../functions/type-conversion-functions.md#tolowcardinality)
## Смотрите также
- [A Magical Mystery Tour of the LowCardinality Data Type](https://www.altinity.com/blog/2019/3/27/low-cardinality).
- [Reducing Clickhouse Storage Cost with the Low Cardinality Type – Lessons from an Instana Engineer](https://www.instana.com/blog/reducing-clickhouse-storage-cost-with-the-low-cardinality-type-lessons-from-an-instana-engineer/).
- [String Optimization (video presentation in Russian)](https://youtu.be/rqf-ILRgBdY?list=PL0Z2YDlm0b3iwXCpEFiOOYmwXzVmjJfEt). [Slides in English](https://github.com/yandex/clickhouse-presentations/raw/master/meetup19/string_optimization.pdf).
- [A Magical Mystery Tour of the LowCardinality Data Type](https://www.altinity.com/blog/2019/3/27/low-cardinality).
- [Reducing Clickhouse Storage Cost with the Low Cardinality Type – Lessons from an Instana Engineer](https://www.instana.com/blog/reducing-clickhouse-storage-cost-with-the-low-cardinality-type-lessons-from-an-instana-engineer/).
- [String Optimization (video presentation in Russian)](https://youtu.be/rqf-ILRgBdY?list=PL0Z2YDlm0b3iwXCpEFiOOYmwXzVmjJfEt). [Slides in English](https://github.com/yandex/clickhouse-presentations/raw/master/meetup19/string_optimization.pdf).

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@ -462,27 +462,29 @@ SELECT reinterpret(toInt8(-1), 'UInt8') as int_to_uint,
## CAST(x, T) {#type_conversion_function-cast}
Преобразует входное значение `x` в указанный тип данных `T`. В отличии от функции `reinterpret` использует внешнее представление значения `x`.
Поддерживается также синтаксис `CAST(x AS t)`.
!!! warning "Предупреждение"
Если значение `x` не может быть преобразовано к типу `T`, возникает переполнение. Например, `CAST(-1, 'UInt8')` возвращает 255.
Преобразует входное значение к указанному типу данных. В отличие от функции [reinterpret](#type_conversion_function-reinterpret) `CAST` пытается представить то же самое значение в новом типе данных. Если преобразование невозможно, то возникает исключение.
Поддерживается несколько вариантов синтаксиса.
**Синтаксис**
``` sql
CAST(x, T)
CAST(x AS t)
x::t
```
**Аргументы**
- `x` — любой тип данных.
- `T` — конечный тип данных. [String](../../sql-reference/data-types/string.md).
- `x` — значение, которое нужно преобразовать. Может быть любого типа.
- `T` — имя типа данных. [String](../../sql-reference/data-types/string.md).
- `t` — тип данных.
**Возвращаемое значение**
- Значение конечного типа данных.
- Преобразованное значение.
!!! note "Примечание"
Если входное значение выходит за границы нового типа, то результат переполняется. Например, `CAST(-1, 'UInt8')` возвращает `255`.
**Примеры**
@ -491,16 +493,16 @@ CAST(x, T)
```sql
SELECT
CAST(toInt8(-1), 'UInt8') AS cast_int_to_uint,
CAST(toInt8(1), 'Float32') AS cast_int_to_float,
CAST('1', 'UInt32') AS cast_string_to_int
CAST(1.5 AS Decimal(3,2)) AS cast_float_to_decimal,
'1'::Int32 AS cast_string_to_int;
```
Результат:
```
┌─cast_int_to_uint─┬─cast_int_to_float─┬─cast_string_to_int─┐
│ 255 │ 1 │ 1 │
└──────────────────┴───────────────────┴────────────────────┘
┌─cast_int_to_uint─┬─cast_float_to_decimal─┬─cast_string_to_int─┐
│ 255 │ 1.50 │ 1 │
└──────────────────┴───────────────────────┴────────────────────┘
```
Запрос:
@ -524,7 +526,7 @@ SELECT
Преобразование в FixedString(N) работает только для аргументов типа [String](../../sql-reference/data-types/string.md) или [FixedString](../../sql-reference/data-types/fixedstring.md).
Поддерживается преобразование к типу [Nullable](../../sql-reference/functions/type-conversion-functions.md) и обратно.
Поддерживается преобразование к типу [Nullable](../../sql-reference/data-types/nullable.md) и обратно.
**Примеры**

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@ -17,7 +17,7 @@ toc_title: PARTITION
- [CLEAR INDEX IN PARTITION](#alter_clear-index-partition) — очистить построенные вторичные индексы для заданной партиции;
- [FREEZE PARTITION](#alter_freeze-partition) — создать резервную копию партиции;
- [UNFREEZE PARTITION](#alter_unfreeze-partition) — удалить резервную копию партиции;
- [FETCH PARTITION](#alter_fetch-partition) — скачать партицию с другого сервера;
- [FETCH PARTITION\|PART](#alter_fetch-partition) — скачать партицию/кусок с другого сервера;
- [MOVE PARTITION\|PART](#alter_move-partition) — переместить партицию/кускок на другой диск или том.
- [UPDATE IN PARTITION](#update-in-partition) — обновить данные внутри партиции по условию.
- [DELETE IN PARTITION](#delete-in-partition) — удалить данные внутри партиции по условию.
@ -209,29 +209,35 @@ ALTER TABLE 'table_name' UNFREEZE [PARTITION 'part_expr'] WITH NAME 'backup_name
Удаляет с диска "замороженные" партиции с указанным именем. Если секция `PARTITION` опущена, запрос удаляет резервную копию всех партиций сразу.
## FETCH PARTITION {#alter_fetch-partition}
## FETCH PARTITION\|PART {#alter_fetch-partition}
``` sql
ALTER TABLE table_name FETCH PARTITION partition_expr FROM 'path-in-zookeeper'
ALTER TABLE table_name FETCH PARTITION|PART partition_expr FROM 'path-in-zookeeper'
```
Загружает партицию с другого сервера. Этот запрос работает только для реплицированных таблиц.
Запрос выполняет следующее:
1. Загружает партицию с указанного шарда. Путь к шарду задается в секции `FROM` (‘path-in-zookeeper’). Обратите внимание, нужно задавать путь к шарду в ZooKeeper.
1. Загружает партицию/кусок с указанного шарда. Путь к шарду задается в секции `FROM` (‘path-in-zookeeper’). Обратите внимание, нужно задавать путь к шарду в ZooKeeper.
2. Помещает загруженные данные в директорию `detached` таблицы `table_name`. Чтобы прикрепить эти данные к таблице, используйте запрос [ATTACH PARTITION\|PART](#alter_attach-partition).
Например:
1. FETCH PARTITION
``` sql
ALTER TABLE users FETCH PARTITION 201902 FROM '/clickhouse/tables/01-01/visits';
ALTER TABLE users ATTACH PARTITION 201902;
```
2. FETCH PART
``` sql
ALTER TABLE users FETCH PART 201901_2_2_0 FROM '/clickhouse/tables/01-01/visits';
ALTER TABLE users ATTACH PART 201901_2_2_0;
```
Следует иметь в виду:
- Запрос `ALTER TABLE t FETCH PARTITION` не реплицируется. Он загружает партицию в директорию `detached` только на локальном сервере.
- Запрос `ALTER TABLE t FETCH PARTITION|PART` не реплицируется. Он загружает партицию в директорию `detached` только на локальном сервере.
- Запрос `ALTER TABLE t ATTACH` реплицируется — он добавляет данные в таблицу сразу на всех репликах. На одной из реплик данные будут добавлены из директории `detached`, а на других — из соседних реплик.
Перед загрузкой данных система проверяет, существует ли партиция и совпадает ли её структура со структурой таблицы. При этом автоматически выбирается наиболее актуальная реплика среди всех живых реплик.

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@ -282,7 +282,7 @@ GRANT INSERT(x,y) ON db.table TO john
- `ALTER MATERIALIZE TTL`. Уровень: `TABLE`. Алиасы: `MATERIALIZE TTL`
- `ALTER SETTINGS`. Уровень: `TABLE`. Алиасы: `ALTER SETTING`, `ALTER MODIFY SETTING`, `MODIFY SETTING`
- `ALTER MOVE PARTITION`. Уровень: `TABLE`. Алиасы: `ALTER MOVE PART`, `MOVE PARTITION`, `MOVE PART`
- `ALTER FETCH PARTITION`. Уровень: `TABLE`. Алиасы: `FETCH PARTITION`
- `ALTER FETCH PARTITION`. Уровень: `TABLE`. Алиасы: `ALTER FETCH PART`, `FETCH PARTITION`, `FETCH PART`
- `ALTER FREEZE PARTITION`. Уровень: `TABLE`. Алиасы: `FREEZE PARTITION`
- `ALTER VIEW` Уровень: `GROUP`
- `ALTER VIEW REFRESH `. Уровень: `VIEW`. Алиасы: `ALTER LIVE VIEW REFRESH`, `REFRESH VIEW`

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@ -6,12 +6,12 @@ toc_title: Atomic
# Atomic {#atomic}
It is supports non-blocking `DROP` and `RENAME TABLE` queries and atomic `EXCHANGE TABLES t1 AND t2` queries. Atomic database engine is used by default.
它支持非阻塞 DROP 和 RENAME TABLE 查询以及原子 EXCHANGE TABLES t1 AND t2 查询。默认情况下使用Atomic数据库引擎。
## Creating a Database {#creating-a-database}
## 创建数据库 {#creating-a-database}
```sql
CREATE DATABASE test ENGINE = Atomic;
```
[Original article](https://clickhouse.tech/docs/en/engines/database_engines/atomic/) <!--hide-->
[原文](https://clickhouse.tech/docs/en/engines/database_engines/atomic/) <!--hide-->

4
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@ -1,4 +1,4 @@
# 折叠树 {#table_engine-collapsingmergetree}
# CollapsingMergeTree {#table_engine-collapsingmergetree}
该引擎继承于 [MergeTree](mergetree.md)，并在数据块合并算法中添加了折叠行的逻辑。
@ -203,4 +203,4 @@ SELECT * FROM UAct FINAL
这种查询数据的方法是非常低效的。不要在大表中使用它。
[来源文章](https://clickhouse.tech/docs/en/operations/table_engines/collapsingmergetree/) <!--hide-->
[原文](https://clickhouse.tech/docs/en/operations/table_engines/collapsingmergetree/) <!--hide-->

2
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@ -3,7 +3,7 @@ toc_priority: 37
toc_title: "版本折叠MergeTree"
---
# 版本折叠MergeTree {#versionedcollapsingmergetree}
# VersionedCollapsingMergeTree {#versionedcollapsingmergetree}
这个引擎:

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@ -5,6 +5,6 @@ toc_title: 原生接口(TCP)
# 原生接口（TCP）{#native-interface-tcp}
原生接口用于[命令行客户端](cli.md)，用于分布式查询处理期间的服务器间通信，以及其他C++程序。可惜的是，原生的ClickHouse协议还没有正式的规范，但它可以从ClickHouse[源代码](https://github.com/ClickHouse/ClickHouse/tree/master/src/Client)通过拦截和分析TCP流量进行反向工程。
原生接口协议用于[命令行客户端](cli.md)，用于分布式查询处理期间的服务器间通信，以及其他C++ 程序。不幸的是，原生ClickHouse协议还没有正式的规范，但它可以从ClickHouse源代码[从这里开始](https://github.com/ClickHouse/ClickHouse/tree/master/src/Client)或通过拦截和分析TCP流量进行逆向工程。
[来源文章](https://clickhouse.tech/docs/zh/interfaces/tcp/) <!--hide-->
[原文](https://clickhouse.tech/docs/en/interfaces/tcp/) <!--hide-->

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@ -57,9 +57,9 @@ ClickHouse Web 界面 [Tabix](https://github.com/tabixio/tabix).
- 表格预览。
- 自动完成。
### ﾂ环板-ｮﾂ嘉ｯﾂ偲 {#clickhouse-cli}
### clickhouse-cli {#clickhouse-cli}
[ﾂ环板-ｮﾂ嘉ｯﾂ偲](https://github.com/hatarist/clickhouse-cli) 是ClickHouse的替代命令行客户端，用Python 3编写。
[clickhouse-cli](https://github.com/hatarist/clickhouse-cli) 是ClickHouse的替代命令行客户端，用Python 3编写。
特征：
@ -68,15 +68,15 @@ ClickHouse Web 界面 [Tabix](https://github.com/tabixio/tabix).
- 寻呼机支持数据输出。
- 自定义PostgreSQL类命令。
### ﾂ暗ｪﾂ氾环催ﾂ団ﾂ法ﾂ人 {#clickhouse-flamegraph}
### clickhouse-flamegraph {#clickhouse-flamegraph}
[clickhouse-flamegraph](https://github.com/Slach/clickhouse-flamegraph) 是一个可视化的专业工具`system.trace_log`如[flamegraph](http://www.brendangregg.com/flamegraphs.html).
## 商业 {#shang-ye}
### ﾂ环板Softwareｮﾂ嘉ｯ {#holistics-software}
### Holistics {#holistics-software}
[整体学](https://www.holistics.io/) 在2019年被Gartner FrontRunners列为可用性最高排名第二的商业智能工具之一。 Holistics是一个基于SQL的全栈数据平台和商业智能工具，用于设置您的分析流程。
[Holistics](https://www.holistics.io/) 在2019年被Gartner FrontRunners列为可用性最高排名第二的商业智能工具之一。 Holistics是一个基于SQL的全栈数据平台和商业智能工具，用于设置您的分析流程。
特征：

20
docs/zh/operations/index.md
View File

@ -5,9 +5,21 @@ toc_title: "操作"
# 操作 {#operations}
Clickhouse运维手册主要包含下面几部分：
ClickHouse操作手册由以下主要部分组成：
- 安装要求
- [安装要求](../operations/requirements.md)
- [监控](../operations/monitoring.md)
- [故障排除](../operations/troubleshooting.md)
- [使用建议](../operations/tips.md)
- [更新程序](../operations/update.md)
- [访问权限](../operations/access-rights.md)
- [数据备份](../operations/backup.md)
- [配置文件](../operations/configuration-files.md)
- [配额](../operations/quotas.md)
- [系统表](../operations/system-tables/index.md)
- [服务器配置参数](../operations/server-configuration-parameters/index.md)
- [如何用ClickHouse测试你的硬件](../operations/performance-test.md)
- [设置](../operations/settings/index.md)
- [实用工具](../operations/utilities/index.md)
[原始文章](https://clickhouse.tech/docs/en/operations/) <!--hide-->
[原文](https://clickhouse.tech/docs/en/operations/) <!--hide-->

50
programs/server/play.html
View File

@ -9,7 +9,7 @@
Do not use any JavaScript or CSS frameworks or preprocessors.
This HTML page should not require any build systems (node.js, npm, gulp, etc.)
This HTML page should not be minified, instead it should be reasonably minimalistic by itself.
This HTML page should not load any external resources
This HTML page should not load any external resources on load.
(CSS and JavaScript must be embedded directly to the page. No external fonts or images should be loaded).
This UI should look as lightweight, clean and fast as possible.
All UI elements must be aligned in pixel-perfect way.
@ -343,13 +343,18 @@
/// Save query in history only if it is different.
let previous_query = '';
/// Substitute the address of the server where the page is served.
if (location.protocol != 'file:') {
const current_url = new URL(window.location);
const server_address = current_url.searchParams.get('url');
if (server_address) {
document.getElementById('url').value = server_address;
} else if (location.protocol != 'file:') {
/// Substitute the address of the server where the page is served.
document.getElementById('url').value = location.origin;
}
/// Substitute user name if it's specified in the query string
let user_from_url = (new URL(window.location)).searchParams.get('user');
const user_from_url = current_url.searchParams.get('user');
if (user_from_url) {
document.getElementById('user').value = user_from_url;
}
@ -361,7 +366,9 @@
let user = document.getElementById('user').value;
let password = document.getElementById('password').value;
let url = document.getElementById('url').value +
let server_address = document.getElementById('url').value;
let url = server_address +
/// Ask server to allow cross-domain requests.
'?add_http_cors_header=1' +
'&user=' + encodeURIComponent(user) +
@ -390,11 +397,18 @@
response: this.response.length > 100000 ? null : this.response /// Lower than the browser's limit.
};
let title = "ClickHouse Query: " + query;
let url = window.location.pathname + '?user=' + encodeURIComponent(user) + '#' + window.btoa(query);
let history_url = window.location.pathname + '?user=' + encodeURIComponent(user);
if (server_address != location.origin) {
/// Save server's address in URL if it's not identical to the address of the play UI.
history_url += '&url=' + encodeURIComponent(server_address);
}
history_url += '#' + window.btoa(query);
if (previous_query == '') {
history.replaceState(state, title, url);
history.replaceState(state, title, history_url);
} else {
history.pushState(state, title, url);
history.pushState(state, title, history_url);
}
document.title = title;
previous_query = query;
@ -599,10 +613,16 @@
}
/// Huge JS libraries should be loaded only if needed.
function loadJS(src) {
function loadJS(src, integrity) {
return new Promise((resolve, reject) => {
const script = document.createElement('script');
script.src = src;
if (integrity) {
script.crossOrigin = 'anonymous';
script.integrity = integrity;
} else {
console.warn('no integrity for', src)
}
script.addEventListener('load', function() { resolve(true); });
document.head.appendChild(script);
});
@ -613,10 +633,14 @@
if (load_dagre_promise) { return load_dagre_promise; }
load_dagre_promise = Promise.all([
loadJS('https://dagrejs.github.io/project/dagre/v0.8.5/dagre.min.js'),
loadJS('https://dagrejs.github.io/project/graphlib-dot/v0.6.4/graphlib-dot.min.js'),
loadJS('https://dagrejs.github.io/project/dagre-d3/v0.6.4/dagre-d3.min.js'),
loadJS('https://cdn.jsdelivr.net/npm/d3@7.0.0'),
loadJS('https://dagrejs.github.io/project/dagre/v0.8.5/dagre.min.js',
'sha384-2IH3T69EIKYC4c+RXZifZRvaH5SRUdacJW7j6HtE5rQbvLhKKdawxq6vpIzJ7j9M'),
loadJS('https://dagrejs.github.io/project/graphlib-dot/v0.6.4/graphlib-dot.min.js',
'sha384-Q7oatU+b+y0oTkSoiRH9wTLH6sROySROCILZso/AbMMm9uKeq++r8ujD4l4f+CWj'),
loadJS('https://dagrejs.github.io/project/dagre-d3/v0.6.4/dagre-d3.min.js',
'sha384-9N1ty7Yz7VKL3aJbOk+8ParYNW8G5W+MvxEfFL9G7CRYPmkHI9gJqyAfSI/8190W'),
loadJS('https://cdn.jsdelivr.net/npm/d3@7.0.0',
'sha384-S+Kf0r6YzKIhKA8d1k2/xtYv+j0xYUU3E7+5YLrcPVab6hBh/r1J6cq90OXhw80u'),
]);
return load_dagre_promise;

7
src/Access/AccessControlManager.cpp
View File

@ -64,7 +64,12 @@ public:
std::lock_guard lock{mutex};
auto x = cache.get(params);
if (x)
return *x;
{
if ((*x)->getUser())
return *x;
/// No user, probably the user has been dropped while it was in the cache.
cache.remove(params);
}
auto res = std::shared_ptr<ContextAccess>(new ContextAccess(manager, params));
cache.add(params, res);
return res;

18
src/Access/AccessRights.cpp
View File

@ -655,7 +655,7 @@ private:
for (auto & [lhs_childname, lhs_child] : *children)
{
if (!rhs.tryGetChild(lhs_childname))
lhs_child.flags |= rhs.flags & lhs_child.getAllGrantableFlags();
lhs_child.addGrantsRec(rhs.flags);
}
}
}
@ -673,7 +673,7 @@ private:
for (auto & [lhs_childname, lhs_child] : *children)
{
if (!rhs.tryGetChild(lhs_childname))
lhs_child.flags &= rhs.flags;
lhs_child.removeGrantsRec(~rhs.flags);
}
}
}
@ -1041,17 +1041,15 @@ void AccessRights::makeIntersection(const AccessRights & other)
auto helper = [](std::unique_ptr<Node> & root_node, const std::unique_ptr<Node> & other_root_node)
{
if (!root_node)
return;
if (!other_root_node)
{
if (other_root_node)
root_node = std::make_unique<Node>(*other_root_node);
root_node = nullptr;
return;
}
if (other_root_node)
{
root_node->makeIntersection(*other_root_node);
if (!root_node->flags && !root_node->children)
root_node = nullptr;
}
root_node->makeIntersection(*other_root_node);
if (!root_node->flags && !root_node->children)
root_node = nullptr;
};
helper(root, other.root);
helper(root_with_grant_option, other.root_with_grant_option);

54
src/Access/ContextAccess.cpp
View File

@ -163,11 +163,10 @@ void ContextAccess::setUser(const UserPtr & user_) const
if (!user)
{
/// User has been dropped.
auto nothing_granted = std::make_shared<AccessRights>();
access = nothing_granted;
access_with_implicit = nothing_granted;
subscription_for_user_change = {};
subscription_for_roles_changes = {};
access = nullptr;
access_with_implicit = nullptr;
enabled_roles = nullptr;
roles_info = nullptr;
enabled_row_policies = nullptr;
@ -252,32 +251,45 @@ String ContextAccess::getUserName() const
std::shared_ptr<const EnabledRolesInfo> ContextAccess::getRolesInfo() const
{
std::lock_guard lock{mutex};
return roles_info;
if (roles_info)
return roles_info;
static const auto no_roles = std::make_shared<EnabledRolesInfo>();
return no_roles;
}
std::shared_ptr<const EnabledRowPolicies> ContextAccess::getEnabledRowPolicies() const
{
std::lock_guard lock{mutex};
return enabled_row_policies;
if (enabled_row_policies)
return enabled_row_policies;
static const auto no_row_policies = std::make_shared<EnabledRowPolicies>();
return no_row_policies;
}
ASTPtr ContextAccess::getRowPolicyCondition(const String & database, const String & table_name, RowPolicy::ConditionType index, const ASTPtr & extra_condition) const
{
std::lock_guard lock{mutex};
return enabled_row_policies ? enabled_row_policies->getCondition(database, table_name, index, extra_condition) : nullptr;
if (enabled_row_policies)
return enabled_row_policies->getCondition(database, table_name, index, extra_condition);
return nullptr;
}
std::shared_ptr<const EnabledQuota> ContextAccess::getQuota() const
{
std::lock_guard lock{mutex};
return enabled_quota;
if (enabled_quota)
return enabled_quota;
static const auto unlimited_quota = EnabledQuota::getUnlimitedQuota();
return unlimited_quota;
}
std::optional<QuotaUsage> ContextAccess::getQuotaUsage() const
{
std::lock_guard lock{mutex};
return enabled_quota ? enabled_quota->getUsage() : std::optional<QuotaUsage>{};
if (enabled_quota)
return enabled_quota->getUsage();
return {};
}
@ -288,7 +300,7 @@ std::shared_ptr<const ContextAccess> ContextAccess::getFullAccess()
auto full_access = std::shared_ptr<ContextAccess>(new ContextAccess);
full_access->is_full_access = true;
full_access->access = std::make_shared<AccessRights>(AccessRights::getFullAccess());
full_access->enabled_quota = EnabledQuota::getUnlimitedQuota();
full_access->access_with_implicit = std::make_shared<AccessRights>(addImplicitAccessRights(*full_access->access));
return full_access;
}();
return res;
@ -298,28 +310,40 @@ std::shared_ptr<const ContextAccess> ContextAccess::getFullAccess()
std::shared_ptr<const Settings> ContextAccess::getDefaultSettings() const
{
std::lock_guard lock{mutex};
return enabled_settings ? enabled_settings->getSettings() : nullptr;
if (enabled_settings)
return enabled_settings->getSettings();
static const auto everything_by_default = std::make_shared<Settings>();
return everything_by_default;
}
std::shared_ptr<const SettingsConstraints> ContextAccess::getSettingsConstraints() const
{
std::lock_guard lock{mutex};
return enabled_settings ? enabled_settings->getConstraints() : nullptr;
if (enabled_settings)
return enabled_settings->getConstraints();
static const auto no_constraints = std::make_shared<SettingsConstraints>();
return no_constraints;
}
std::shared_ptr<const AccessRights> ContextAccess::getAccessRights() const
{
std::lock_guard lock{mutex};
return access;
if (access)
return access;
static const auto nothing_granted = std::make_shared<AccessRights>();
return nothing_granted;
}
std::shared_ptr<const AccessRights> ContextAccess::getAccessRightsWithImplicit() const
{
std::lock_guard lock{mutex};
return access_with_implicit;
if (access_with_implicit)
return access_with_implicit;
static const auto nothing_granted = std::make_shared<AccessRights>();
return nothing_granted;
}
@ -551,7 +575,7 @@ bool ContextAccess::checkAdminOptionImplHelper(const Container & role_ids, const
for (auto it = std::begin(role_ids); it != std::end(role_ids); ++it, ++i)
{
const UUID & role_id = *it;
if (info && info->enabled_roles_with_admin_option.count(role_id))
if (info->enabled_roles_with_admin_option.count(role_id))
continue;
if (throw_if_denied)
@ -560,7 +584,7 @@ bool ContextAccess::checkAdminOptionImplHelper(const Container & role_ids, const
if (!role_name)
role_name = "ID {" + toString(role_id) + "}";
if (info && info->enabled_roles.count(role_id))
if (info->enabled_roles.count(role_id))
show_error("Not enough privileges. "
"Role " + backQuote(*role_name) + " is granted, but without ADMIN option. "
"To execute this query it's necessary to have the role " + backQuoteIfNeed(*role_name) + " granted with ADMIN option.",

5
src/Access/ContextAccess.h
View File

@ -71,11 +71,9 @@ public:
String getUserName() const;
/// Returns information about current and enabled roles.
/// The function can return nullptr.
std::shared_ptr<const EnabledRolesInfo> getRolesInfo() const;
/// Returns information about enabled row policies.
/// The function can return nullptr.
std::shared_ptr<const EnabledRowPolicies> getEnabledRowPolicies() const;
/// Returns the row policy filter for a specified table.
@ -83,16 +81,13 @@ public:
ASTPtr getRowPolicyCondition(const String & database, const String & table_name, RowPolicy::ConditionType index, const ASTPtr & extra_condition = nullptr) const;
/// Returns the quota to track resource consumption.
/// The function returns nullptr if no tracking or limitation is needed.
std::shared_ptr<const EnabledQuota> getQuota() const;
std::optional<QuotaUsage> getQuotaUsage() const;
/// Returns the default settings, i.e. the settings to apply on user's login.
/// The function returns nullptr if it's no need to apply settings.
std::shared_ptr<const Settings> getDefaultSettings() const;
/// Returns the settings' constraints.
/// The function returns nullptr if there are no constraints.
std::shared_ptr<const SettingsConstraints> getSettingsConstraints() const;
/// Returns the current access rights.

7
src/Access/EnabledRowPolicies.cpp
View File

@ -12,8 +12,11 @@ size_t EnabledRowPolicies::Hash::operator()(const MixedConditionKey & key) const
}
EnabledRowPolicies::EnabledRowPolicies(const Params & params_)
: params(params_)
EnabledRowPolicies::EnabledRowPolicies() : params()
{
}
EnabledRowPolicies::EnabledRowPolicies(const Params & params_) : params(params_)
{
}

1
src/Access/EnabledRowPolicies.h
View File

@ -32,6 +32,7 @@ public:
friend bool operator >=(const Params & lhs, const Params & rhs) { return !(lhs < rhs); }
};
EnabledRowPolicies();
~EnabledRowPolicies();
using ConditionType = RowPolicy::ConditionType;

13
src/Access/SettingsConstraints.cpp
View File

@ -18,6 +18,8 @@ namespace ErrorCodes
}
SettingsConstraints::SettingsConstraints() = default;
SettingsConstraints::SettingsConstraints(const AccessControlManager & manager_) : manager(&manager_)
{
}
@ -199,10 +201,13 @@ bool SettingsConstraints::checkImpl(const Settings & current_settings, SettingCh
}
};
if (reaction == THROW_ON_VIOLATION)
manager->checkSettingNameIsAllowed(setting_name);
else if (!manager->isSettingNameAllowed(setting_name))
return false;
if (manager)
{
if (reaction == THROW_ON_VIOLATION)
manager->checkSettingNameIsAllowed(setting_name);
else if (!manager->isSettingNameAllowed(setting_name))
return false;
}
Field current_value, new_value;
if (current_settings.tryGet(setting_name, current_value))

1
src/Access/SettingsConstraints.h
View File

@ -51,6 +51,7 @@ class AccessControlManager;
class SettingsConstraints
{
public:
SettingsConstraints();
SettingsConstraints(const AccessControlManager & manager_);
SettingsConstraints(const SettingsConstraints & src);
SettingsConstraints & operator =(const SettingsConstraints & src);

94
src/Access/tests/gtest_access_rights_ops.cpp Normal file
View File

@ -0,0 +1,94 @@
#include <gtest/gtest.h>
#include <Access/AccessRights.h>
using namespace DB;
TEST(AccessRights, Union)
{
AccessRights lhs, rhs;
lhs.grant(AccessType::CREATE_TABLE, "db1", "tb1");
rhs.grant(AccessType::SELECT, "db2");
lhs.makeUnion(rhs);
ASSERT_EQ(lhs.toString(), "GRANT CREATE TABLE ON db1.tb1, GRANT SELECT ON db2.*");
lhs.clear();
rhs.clear();
rhs.grant(AccessType::SELECT, "db2");
lhs.grant(AccessType::CREATE_TABLE, "db1", "tb1");
lhs.makeUnion(rhs);
ASSERT_EQ(lhs.toString(), "GRANT CREATE TABLE ON db1.tb1, GRANT SELECT ON db2.*");
lhs = {};
rhs = {};
lhs.grant(AccessType::SELECT);
rhs.grant(AccessType::SELECT, "db1", "tb1");
lhs.makeUnion(rhs);
ASSERT_EQ(lhs.toString(), "GRANT SELECT ON *.*");
lhs = {};
rhs = {};
lhs.grant(AccessType::SELECT, "db1", "tb1", Strings{"col1", "col2"});
rhs.grant(AccessType::SELECT, "db1", "tb1", Strings{"col2", "col3"});
lhs.makeUnion(rhs);
ASSERT_EQ(lhs.toString(), "GRANT SELECT(col1, col2, col3) ON db1.tb1");
lhs = {};
rhs = {};
lhs.grant(AccessType::SELECT, "db1", "tb1", Strings{"col1", "col2"});
rhs.grantWithGrantOption(AccessType::SELECT, "db1", "tb1", Strings{"col2", "col3"});
lhs.makeUnion(rhs);
ASSERT_EQ(lhs.toString(), "GRANT SELECT(col1) ON db1.tb1, GRANT SELECT(col2, col3) ON db1.tb1 WITH GRANT OPTION");
lhs = {};
rhs = {};
lhs.grant(AccessType::INSERT);
rhs.grant(AccessType::ALL, "db1");
lhs.makeUnion(rhs);
ASSERT_EQ(lhs.toString(), "GRANT INSERT ON *.*, GRANT SHOW, SELECT, ALTER, CREATE DATABASE, CREATE TABLE, CREATE VIEW, CREATE DICTIONARY, DROP, TRUNCATE, OPTIMIZE, SYSTEM MERGES, SYSTEM TTL MERGES, SYSTEM FETCHES, SYSTEM MOVES, SYSTEM SENDS, SYSTEM REPLICATION QUEUES, SYSTEM DROP REPLICA, SYSTEM SYNC REPLICA, SYSTEM RESTART REPLICA, SYSTEM RESTORE REPLICA, SYSTEM FLUSH DISTRIBUTED, dictGet ON db1.*");
}
TEST(AccessRights, Intersection)
{
AccessRights lhs, rhs;
lhs.grant(AccessType::CREATE_TABLE, "db1", "tb1");
rhs.grant(AccessType::SELECT, "db2");
lhs.makeIntersection(rhs);
ASSERT_EQ(lhs.toString(), "GRANT USAGE ON *.*");
lhs.clear();
rhs.clear();
lhs.grant(AccessType::SELECT, "db2");
rhs.grant(AccessType::CREATE_TABLE, "db1", "tb1");
lhs.makeIntersection(rhs);
ASSERT_EQ(lhs.toString(), "GRANT USAGE ON *.*");
lhs = {};
rhs = {};
lhs.grant(AccessType::SELECT);
rhs.grant(AccessType::SELECT, "db1", "tb1");
lhs.makeIntersection(rhs);
ASSERT_EQ(lhs.toString(), "GRANT SELECT ON db1.tb1");
lhs = {};
rhs = {};
lhs.grant(AccessType::SELECT, "db1", "tb1", Strings{"col1", "col2"});
rhs.grant(AccessType::SELECT, "db1", "tb1", Strings{"col2", "col3"});
lhs.makeIntersection(rhs);
ASSERT_EQ(lhs.toString(), "GRANT SELECT(col2) ON db1.tb1");
lhs = {};
rhs = {};
lhs.grant(AccessType::SELECT, "db1", "tb1", Strings{"col1", "col2"});
rhs.grantWithGrantOption(AccessType::SELECT, "db1", "tb1", Strings{"col2", "col3"});
lhs.makeIntersection(rhs);
ASSERT_EQ(lhs.toString(), "GRANT SELECT(col2) ON db1.tb1");
lhs = {};
rhs = {};
lhs.grant(AccessType::INSERT);
rhs.grant(AccessType::ALL, "db1");
lhs.makeIntersection(rhs);
ASSERT_EQ(lhs.toString(), "GRANT INSERT ON db1.*");
}

1
src/AggregateFunctions/AggregateFunctionSequenceMatch.cpp
View File

@ -3,7 +3,6 @@
#include <AggregateFunctions/AggregateFunctionSequenceMatch.h>
#include <DataTypes/DataTypeDate.h>
#include <DataTypes/DataTypeDate32.h>
#include <DataTypes/DataTypeDateTime.h>
#include <common/range.h>

4
src/AggregateFunctions/AggregateFunctionSumMap.h
View File

@ -459,6 +459,8 @@ public:
explicit FieldVisitorMax(const Field & rhs_) : rhs(rhs_) {}
bool operator() (Null &) const { throw Exception("Cannot compare Nulls", ErrorCodes::LOGICAL_ERROR); }
bool operator() (NegativeInfinity &) const { throw Exception("Cannot compare -Inf", ErrorCodes::LOGICAL_ERROR); }
bool operator() (PositiveInfinity &) const { throw Exception("Cannot compare +Inf", ErrorCodes::LOGICAL_ERROR); }
bool operator() (AggregateFunctionStateData &) const { throw Exception("Cannot compare AggregateFunctionStates", ErrorCodes::LOGICAL_ERROR); }
bool operator() (Array & x) const { return compareImpl<Array>(x); }
@ -494,6 +496,8 @@ public:
explicit FieldVisitorMin(const Field & rhs_) : rhs(rhs_) {}
bool operator() (Null &) const { throw Exception("Cannot compare Nulls", ErrorCodes::LOGICAL_ERROR); }
bool operator() (NegativeInfinity &) const { throw Exception("Cannot compare -Inf", ErrorCodes::LOGICAL_ERROR); }
bool operator() (PositiveInfinity &) const { throw Exception("Cannot compare +Inf", ErrorCodes::LOGICAL_ERROR); }
bool operator() (AggregateFunctionStateData &) const { throw Exception("Cannot sum AggregateFunctionStates", ErrorCodes::LOGICAL_ERROR); }
bool operator() (Array & x) const { return compareImpl<Array>(x); }

5
src/AggregateFunctions/AggregateFunctionUniq.cpp
View File

@ -4,7 +4,6 @@
#include <AggregateFunctions/FactoryHelpers.h>
#include <DataTypes/DataTypeDate.h>
#include <DataTypes/DataTypeDate32.h>
#include <DataTypes/DataTypeDateTime.h>
#include <DataTypes/DataTypeTuple.h>
#include <DataTypes/DataTypeUUID.h>
@ -50,8 +49,6 @@ AggregateFunctionPtr createAggregateFunctionUniq(const std::string & name, const
return res;
else if (which.isDate())
return std::make_shared<AggregateFunctionUniq<DataTypeDate::FieldType, Data>>(argument_types);
else if (which.isDate32())
return std::make_shared<AggregateFunctionUniq<DataTypeDate32::FieldType, Data>>(argument_types);
else if (which.isDateTime())
return std::make_shared<AggregateFunctionUniq<DataTypeDateTime::FieldType, Data>>(argument_types);
else if (which.isStringOrFixedString())
@ -98,8 +95,6 @@ AggregateFunctionPtr createAggregateFunctionUniq(const std::string & name, const
return res;
else if (which.isDate())
return std::make_shared<AggregateFunctionUniq<DataTypeDate::FieldType, Data<DataTypeDate::FieldType>>>(argument_types);
else if (which.isDate32())
return std::make_shared<AggregateFunctionUniq<DataTypeDate32::FieldType, Data<DataTypeDate32::FieldType>>>(argument_types);
else if (which.isDateTime())
return std::make_shared<AggregateFunctionUniq<DataTypeDateTime::FieldType, Data<DataTypeDateTime::FieldType>>>(argument_types);
else if (which.isStringOrFixedString())

3
src/AggregateFunctions/AggregateFunctionUniqCombined.cpp
View File

@ -6,7 +6,6 @@
#include <Common/FieldVisitorConvertToNumber.h>
#include <DataTypes/DataTypeDate.h>
#include <DataTypes/DataTypeDate32.h>
#include <DataTypes/DataTypeDateTime.h>
#include <functional>
@ -52,8 +51,6 @@ namespace
return res;
else if (which.isDate())
return std::make_shared<typename WithK<K, HashValueType>::template AggregateFunction<DataTypeDate::FieldType>>(argument_types, params);
else if (which.isDate32())
return std::make_shared<typename WithK<K, HashValueType>::template AggregateFunction<DataTypeDate32::FieldType>>(argument_types, params);
else if (which.isDateTime())
return std::make_shared<typename WithK<K, HashValueType>::template AggregateFunction<DataTypeDateTime::FieldType>>(argument_types, params);
else if (which.isStringOrFixedString())

3
src/AggregateFunctions/AggregateFunctionUniqUpTo.cpp
View File

@ -3,7 +3,6 @@
#include <AggregateFunctions/AggregateFunctionUniqUpTo.h>
#include <Common/FieldVisitorConvertToNumber.h>
#include <DataTypes/DataTypeDate.h>
#include <DataTypes/DataTypeDate32.h>
#include <DataTypes/DataTypeDateTime.h>
#include <DataTypes/DataTypeString.h>
#include <DataTypes/DataTypeFixedString.h>
@ -62,8 +61,6 @@ AggregateFunctionPtr createAggregateFunctionUniqUpTo(const std::string & name, c
return res;
else if (which.isDate())
return std::make_shared<AggregateFunctionUniqUpTo<DataTypeDate::FieldType>>(threshold, argument_types, params);
else if (which.isDate32())
return std::make_shared<AggregateFunctionUniqUpTo<DataTypeDate32::FieldType>>(threshold, argument_types, params);
else if (which.isDateTime())
return std::make_shared<AggregateFunctionUniqUpTo<DataTypeDateTime::FieldType>>(threshold, argument_types, params);
else if (which.isStringOrFixedString())

1
src/AggregateFunctions/AggregateFunctionWindowFunnel.cpp
View File

@ -4,7 +4,6 @@
#include <AggregateFunctions/Helpers.h>
#include <Core/Settings.h>
#include <DataTypes/DataTypeDate.h>
#include <DataTypes/DataTypeDate32.h>
#include <DataTypes/DataTypeDateTime.h>
#include <common/range.h>

5
src/Client/HedgedConnections.cpp
View File

@ -353,6 +353,11 @@ bool HedgedConnections::resumePacketReceiver(const HedgedConnections::ReplicaLoc
if (offset_states[location.offset].active_connection_count == 0 && !offset_states[location.offset].next_replica_in_process)
throw NetException("Receive timeout expired", ErrorCodes::SOCKET_TIMEOUT);
}
else if (std::holds_alternative<std::exception_ptr>(res))
{
finishProcessReplica(replica_state, true);
std::rethrow_exception(std::move(std::get<std::exception_ptr>(res)));
}
return false;
}

4
src/Client/PacketReceiver.h
View File

@ -31,7 +31,7 @@ public:
}
/// Resume packet receiving.
std::variant<int, Packet, Poco::Timespan> resume()
std::variant<int, Packet, Poco::Timespan, std::exception_ptr> resume()
{
/// If there is no pending data, check receive timeout.
if (!connection->hasReadPendingData() && !checkReceiveTimeout())
@ -43,7 +43,7 @@ public:
/// Resume fiber.
fiber = std::move(fiber).resume();
if (exception)
std::rethrow_exception(std::move(exception));
return std::move(exception);
if (is_read_in_process)
return epoll.getFileDescriptor();

103
src/Columns/ColumnNullable.cpp
View File

@ -546,97 +546,54 @@ namespace
{
/// The following function implements a slightly more general version
/// of getExtremes() than the implementation from ColumnVector.
/// of getExtremes() than the implementation from Not-Null IColumns.
/// It takes into account the possible presence of nullable values.
template <typename T>
void getExtremesFromNullableContent(const ColumnVector<T> & col, const NullMap & null_map, Field & min, Field & max)
void getExtremesWithNulls(const IColumn & nested_column, const NullMap & null_array, Field & min, Field & max, bool null_last = false)
{
const auto & data = col.getData();
size_t size = data.size();
if (size == 0)
size_t number_of_nulls = 0;
size_t n = null_array.size();
NullMap not_null_array(n);
for (auto i = 0ul; i < n; ++i)
{
min = Null();
max = Null();
return;
}
bool has_not_null = false;
bool has_not_nan = false;
T cur_min = 0;
T cur_max = 0;
for (size_t i = 0; i < size; ++i)
{
const T x = data[i];
if (null_map[i])
continue;
if (!has_not_null)
if (null_array[i])
{
cur_min = x;
cur_max = x;
has_not_null = true;
has_not_nan = !isNaN(x);
continue;
++number_of_nulls;
not_null_array[i] = 0;
}
if (isNaN(x))
continue;
if (!has_not_nan)
else
{
cur_min = x;
cur_max = x;
has_not_nan = true;
continue;
not_null_array[i] = 1;
}
if (x < cur_min)
cur_min = x;
else if (x > cur_max)
cur_max = x;
}
if (has_not_null)
if (number_of_nulls == 0)
{
min = cur_min;
max = cur_max;
nested_column.getExtremes(min, max);
}
else if (number_of_nulls == n)
{
min = PositiveInfinity();
max = PositiveInfinity();
}
else
{
auto filtered_column = nested_column.filter(not_null_array, -1);
filtered_column->getExtremes(min, max);
if (null_last)
max = PositiveInfinity();
}
}
}
void ColumnNullable::getExtremes(Field & min, Field & max) const
{
min = Null();
max = Null();
getExtremesWithNulls(getNestedColumn(), getNullMapData(), min, max);
}
const auto & null_map_data = getNullMapData();
if (const auto * col_i8 = typeid_cast<const ColumnInt8 *>(nested_column.get()))
getExtremesFromNullableContent<Int8>(*col_i8, null_map_data, min, max);
else if (const auto * col_i16 = typeid_cast<const ColumnInt16 *>(nested_column.get()))
getExtremesFromNullableContent<Int16>(*col_i16, null_map_data, min, max);
else if (const auto * col_i32 = typeid_cast<const ColumnInt32 *>(nested_column.get()))
getExtremesFromNullableContent<Int32>(*col_i32, null_map_data, min, max);
else if (const auto * col_i64 = typeid_cast<const ColumnInt64 *>(nested_column.get()))
getExtremesFromNullableContent<Int64>(*col_i64, null_map_data, min, max);
else if (const auto * col_u8 = typeid_cast<const ColumnUInt8 *>(nested_column.get()))
getExtremesFromNullableContent<UInt8>(*col_u8, null_map_data, min, max);
else if (const auto * col_u16 = typeid_cast<const ColumnUInt16 *>(nested_column.get()))
getExtremesFromNullableContent<UInt16>(*col_u16, null_map_data, min, max);
else if (const auto * col_u32 = typeid_cast<const ColumnUInt32 *>(nested_column.get()))
getExtremesFromNullableContent<UInt32>(*col_u32, null_map_data, min, max);
else if (const auto * col_u64 = typeid_cast<const ColumnUInt64 *>(nested_column.get()))
getExtremesFromNullableContent<UInt64>(*col_u64, null_map_data, min, max);
else if (const auto * col_f32 = typeid_cast<const ColumnFloat32 *>(nested_column.get()))
getExtremesFromNullableContent<Float32>(*col_f32, null_map_data, min, max);
else if (const auto * col_f64 = typeid_cast<const ColumnFloat64 *>(nested_column.get()))
getExtremesFromNullableContent<Float64>(*col_f64, null_map_data, min, max);
void ColumnNullable::getExtremesNullLast(Field & min, Field & max) const
{
getExtremesWithNulls(getNestedColumn(), getNullMapData(), min, max, true);
}

2
src/Columns/ColumnNullable.h
View File

@ -111,6 +111,8 @@ public:
void updateWeakHash32(WeakHash32 & hash) const override;
void updateHashFast(SipHash & hash) const override;
void getExtremes(Field & min, Field & max) const override;
// Special function for nullable minmax index
void getExtremesNullLast(Field & min, Field & max) const;
MutableColumns scatter(ColumnIndex num_columns, const Selector & selector) const override
{

16
src/Common/DNSResolver.cpp
View File

@ -109,11 +109,23 @@ static DNSResolver::IPAddresses resolveIPAddressImpl(const std::string & host)
/// It should not affect client address checking, since client cannot connect from IPv6 address
/// if server has no IPv6 addresses.
flags |= Poco::Net::DNS::DNS_HINT_AI_ADDRCONFIG;
DNSResolver::IPAddresses addresses;
try
{
#if defined(ARCADIA_BUILD)
auto addresses = Poco::Net::DNS::hostByName(host, &Poco::Net::DNS::DEFAULT_DNS_TIMEOUT, flags).addresses();
addresses = Poco::Net::DNS::hostByName(host, &Poco::Net::DNS::DEFAULT_DNS_TIMEOUT, flags).addresses();
#else
auto addresses = Poco::Net::DNS::hostByName(host, flags).addresses();
addresses = Poco::Net::DNS::hostByName(host, flags).addresses();
#endif
}
catch (const Poco::Net::DNSException & e)
{
LOG_ERROR(&Poco::Logger::get("DNSResolver"), "Cannot resolve host ({}), error {}: {}.", host, e.code(), e.message());
addresses.clear();
}
if (addresses.empty())
throw Exception("Not found address of host: " + host, ErrorCodes::DNS_ERROR);

9
src/Common/Exception.cpp
View File

@ -313,7 +313,7 @@ std::string getCurrentExceptionMessage(bool with_stacktrace, bool check_embedded
try
{
stream << "Poco::Exception. Code: " << ErrorCodes::POCO_EXCEPTION << ", e.code() = " << e.code()
<< ", e.displayText() = " << e.displayText()
<< ", " << e.displayText()
<< (with_stacktrace ? ", Stack trace (when copying this message, always include the lines below):\n\n" + getExceptionStackTraceString(e) : "")
<< (with_extra_info ? getExtraExceptionInfo(e) : "")
<< " (version " << VERSION_STRING << VERSION_OFFICIAL << ")";
@ -433,7 +433,12 @@ std::string getExceptionMessage(const Exception & e, bool with_stacktrace, bool
}
}
stream << "Code: " << e.code() << ", e.displayText() = " << text;
stream << "Code: " << e.code() << ". " << text;
if (!text.empty() && text.back() != '.')
stream << '.';
stream << " (" << ErrorCodes::getName(e.code()) << ")";
if (with_stacktrace && !has_embedded_stack_trace)
stream << ", Stack trace (when copying this message, always include the lines below):\n\n" << e.getStackTraceString();

10
src/Common/FieldVisitorConvertToNumber.h
View File

@ -26,6 +26,16 @@ public:
throw Exception("Cannot convert NULL to " + demangle(typeid(T).name()), ErrorCodes::CANNOT_CONVERT_TYPE);
}
T operator() (const NegativeInfinity &) const
{
throw Exception("Cannot convert -Inf to " + demangle(typeid(T).name()), ErrorCodes::CANNOT_CONVERT_TYPE);
}
T operator() (const PositiveInfinity &) const
{
throw Exception("Cannot convert +Inf to " + demangle(typeid(T).name()), ErrorCodes::CANNOT_CONVERT_TYPE);
}
T operator() (const String &) const
{
throw Exception("Cannot convert String to " + demangle(typeid(T).name()), ErrorCodes::CANNOT_CONVERT_TYPE);

2
src/Common/FieldVisitorDump.cpp
View File

@ -25,6 +25,8 @@ static inline void writeQuoted(const DecimalField<T> & x, WriteBuffer & buf)
}
String FieldVisitorDump::operator() (const Null &) const { return "NULL"; }
String FieldVisitorDump::operator() (const NegativeInfinity &) const { return "-Inf"; }
String FieldVisitorDump::operator() (const PositiveInfinity &) const { return "+Inf"; }
String FieldVisitorDump::operator() (const UInt64 & x) const { return formatQuotedWithPrefix(x, "UInt64_"); }
String FieldVisitorDump::operator() (const Int64 & x) const { return formatQuotedWithPrefix(x, "Int64_"); }
String FieldVisitorDump::operator() (const Float64 & x) const { return formatQuotedWithPrefix(x, "Float64_"); }

2
src/Common/FieldVisitorDump.h
View File

@ -10,6 +10,8 @@ class FieldVisitorDump : public StaticVisitor<String>
{
public:
String operator() (const Null & x) const;
String operator() (const NegativeInfinity & x) const;
String operator() (const PositiveInfinity & x) const;
String operator() (const UInt64 & x) const;
String operator() (const UInt128 & x) const;
String operator() (const UInt256 & x) const;

12
src/Common/FieldVisitorHash.cpp
View File

@ -14,6 +14,18 @@ void FieldVisitorHash::operator() (const Null &) const
hash.update(type);
}
void FieldVisitorHash::operator() (const NegativeInfinity &) const
{
UInt8 type = Field::Types::NegativeInfinity;
hash.update(type);
}
void FieldVisitorHash::operator() (const PositiveInfinity &) const
{
UInt8 type = Field::Types::PositiveInfinity;
hash.update(type);
}
void FieldVisitorHash::operator() (const UInt64 & x) const
{
UInt8 type = Field::Types::UInt64;

2
src/Common/FieldVisitorHash.h
View File

@ -16,6 +16,8 @@ public:
FieldVisitorHash(SipHash & hash_);
void operator() (const Null & x) const;
void operator() (const NegativeInfinity & x) const;
void operator() (const PositiveInfinity & x) const;
void operator() (const UInt64 & x) const;
void operator() (const UInt128 & x) const;
void operator() (const UInt256 & x) const;

2
src/Common/FieldVisitorSum.cpp
View File

@ -22,6 +22,8 @@ bool FieldVisitorSum::operator() (UInt64 & x) const
bool FieldVisitorSum::operator() (Float64 & x) const { x += get<Float64>(rhs); return x != 0; }
bool FieldVisitorSum::operator() (Null &) const { throw Exception("Cannot sum Nulls", ErrorCodes::LOGICAL_ERROR); }
bool FieldVisitorSum::operator() (NegativeInfinity &) const { throw Exception("Cannot sum -Inf", ErrorCodes::LOGICAL_ERROR); }
bool FieldVisitorSum::operator() (PositiveInfinity &) const { throw Exception("Cannot sum +Inf", ErrorCodes::LOGICAL_ERROR); }
bool FieldVisitorSum::operator() (String &) const { throw Exception("Cannot sum Strings", ErrorCodes::LOGICAL_ERROR); }
bool FieldVisitorSum::operator() (Array &) const { throw Exception("Cannot sum Arrays", ErrorCodes::LOGICAL_ERROR); }
bool FieldVisitorSum::operator() (Tuple &) const { throw Exception("Cannot sum Tuples", ErrorCodes::LOGICAL_ERROR); }

2
src/Common/FieldVisitorSum.h
View File

@ -21,6 +21,8 @@ public:
bool operator() (UInt64 & x) const;
bool operator() (Float64 & x) const;
bool operator() (Null &) const;
bool operator() (NegativeInfinity & x) const;
bool operator() (PositiveInfinity & x) const;
bool operator() (String &) const;
bool operator() (Array &) const;
bool operator() (Tuple &) const;

2
src/Common/FieldVisitorToString.cpp
View File

@ -53,6 +53,8 @@ static String formatFloat(const Float64 x)
String FieldVisitorToString::operator() (const Null &) const { return "NULL"; }
String FieldVisitorToString::operator() (const NegativeInfinity &) const { return "-Inf"; }
String FieldVisitorToString::operator() (const PositiveInfinity &) const { return "+Inf"; }
String FieldVisitorToString::operator() (const UInt64 & x) const { return formatQuoted(x); }
String FieldVisitorToString::operator() (const Int64 & x) const { return formatQuoted(x); }
String FieldVisitorToString::operator() (const Float64 & x) const { return formatFloat(x); }

2
src/Common/FieldVisitorToString.h
View File

@ -10,6 +10,8 @@ class FieldVisitorToString : public StaticVisitor<String>
{
public:
String operator() (const Null & x) const;
String operator() (const NegativeInfinity & x) const;
String operator() (const PositiveInfinity & x) const;
String operator() (const UInt64 & x) const;
String operator() (const UInt128 & x) const;
String operator() (const UInt256 & x) const;

2
src/Common/FieldVisitorWriteBinary.cpp
View File

@ -7,6 +7,8 @@ namespace DB
{
void FieldVisitorWriteBinary::operator() (const Null &, WriteBuffer &) const { }
void FieldVisitorWriteBinary::operator() (const NegativeInfinity &, WriteBuffer &) const { }
void FieldVisitorWriteBinary::operator() (const PositiveInfinity &, WriteBuffer &) const { }
void FieldVisitorWriteBinary::operator() (const UInt64 & x, WriteBuffer & buf) const { writeVarUInt(x, buf); }
void FieldVisitorWriteBinary::operator() (const Int64 & x, WriteBuffer & buf) const { writeVarInt(x, buf); }
void FieldVisitorWriteBinary::operator() (const Float64 & x, WriteBuffer & buf) const { writeFloatBinary(x, buf); }

2
src/Common/FieldVisitorWriteBinary.h
View File

@ -9,6 +9,8 @@ class FieldVisitorWriteBinary
{
public:
void operator() (const Null & x, WriteBuffer & buf) const;
void operator() (const NegativeInfinity & x, WriteBuffer & buf) const;
void operator() (const PositiveInfinity & x, WriteBuffer & buf) const;
void operator() (const UInt64 & x, WriteBuffer & buf) const;
void operator() (const UInt128 & x, WriteBuffer & buf) const;
void operator() (const UInt256 & x, WriteBuffer & buf) const;

10
src/Common/FieldVisitorsAccurateComparison.h
View File

@ -26,8 +26,12 @@ public:
template <typename T, typename U>
bool operator() (const T & l, const U & r) const
{
if constexpr (std::is_same_v<T, Null> || std::is_same_v<U, Null>)
if constexpr (std::is_same_v<T, Null> || std::is_same_v<U, Null>
|| std::is_same_v<T, NegativeInfinity> || std::is_same_v<T, PositiveInfinity>
|| std::is_same_v<U, NegativeInfinity> || std::is_same_v<U, PositiveInfinity>)
{
return std::is_same_v<T, U>;
}
else
{
if constexpr (std::is_same_v<T, U>)
@ -77,6 +81,10 @@ public:
{
if constexpr (std::is_same_v<T, Null> || std::is_same_v<U, Null>)
return false;
else if constexpr (std::is_same_v<T, NegativeInfinity> || std::is_same_v<U, PositiveInfinity>)
return !std::is_same_v<T, U>;
else if constexpr (std::is_same_v<U, NegativeInfinity> || std::is_same_v<T, PositiveInfinity>)
return false;
else
{
if constexpr (std::is_same_v<T, U>)

5
src/Common/ProfileEvents.cpp
View File

@ -224,7 +224,7 @@
M(PerfLocalMemoryReferences, "Local NUMA node memory reads") \
M(PerfLocalMemoryMisses, "Local NUMA node memory read misses") \
\
M(CreatedHTTPConnections, "Total amount of created HTTP connections (closed or opened).") \
M(CreatedHTTPConnections, "Total amount of created HTTP connections (counter increase every time connection is created).") \
\
M(CannotWriteToWriteBufferDiscard, "Number of stack traces dropped by query profiler or signal handler because pipe is full or cannot write to pipe.") \
M(QueryProfilerSignalOverruns, "Number of times we drop processing of a signal due to overrun plus the number of signals that OS has not delivered due to overrun.") \
@ -248,6 +248,9 @@
M(S3WriteRequestsThrottling, "Number of 429 and 503 errors in POST, DELETE, PUT and PATCH requests to S3 storage.") \
M(S3WriteRequestsRedirects, "Number of redirects in POST, DELETE, PUT and PATCH requests to S3 storage.") \
M(QueryMemoryLimitExceeded, "Number of times when memory limit exceeded for query.") \
\
M(SleepFunctionCalls, "Number of times a sleep function (sleep, sleepEachRow) has been called.") \
M(SleepFunctionMicroseconds, "Time spent sleeping due to a sleep function call.") \
namespace ProfileEvents

12
src/Core/Block.cpp
View File

@ -375,9 +375,13 @@ void Block::setColumn(size_t position, ColumnWithTypeAndName && column)
throw Exception(ErrorCodes::POSITION_OUT_OF_BOUND, "Position {} out of bound in Block::setColumn(), max position {}",
position, toString(data.size()));
data[position].name = std::move(column.name);
data[position].type = std::move(column.type);
data[position].column = std::move(column.column);
if (data[position].name != column.name)
{
index_by_name.erase(data[position].name);
index_by_name.emplace(column.name, position);
}
data[position] = std::move(column);
}
@ -436,7 +440,7 @@ Block Block::sortColumns() const
Block sorted_block;
/// std::unordered_map (index_by_name) cannot be used to guarantee the sort order
std::vector<decltype(index_by_name.begin())> sorted_index_by_name(index_by_name.size());
std::vector<IndexByName::const_iterator> sorted_index_by_name(index_by_name.size());
{
size_t i = 0;
for (auto it = index_by_name.begin(); it != index_by_name.end(); ++it)

2
src/Core/Block.h
View File

@ -68,7 +68,7 @@ public:
const_cast<const Block *>(this)->findByName(name));
}
const ColumnWithTypeAndName* findByName(const std::string & name) const;
const ColumnWithTypeAndName * findByName(const std::string & name) const;
ColumnWithTypeAndName & getByName(const std::string & name)
{

2
src/Core/ExternalResultDescription.cpp
View File

@ -62,8 +62,6 @@ void ExternalResultDescription::init(const Block & sample_block_)
types.emplace_back(ValueType::vtString, is_nullable);
else if (which.isDate())
types.emplace_back(ValueType::vtDate, is_nullable);
else if (which.isDate32())
types.emplace_back(ValueType::vtDate32, is_nullable);
else if (which.isDateTime())
types.emplace_back(ValueType::vtDateTime, is_nullable);
else if (which.isUUID())

1
src/Core/ExternalResultDescription.h
View File

@ -26,7 +26,6 @@ struct ExternalResultDescription
vtEnum16,
vtString,
vtDate,
vtDate32,
vtDateTime,
vtUUID,
vtDateTime64,

10
src/Core/Field.cpp
View File

@ -455,6 +455,16 @@ inline void writeText(const Null &, WriteBuffer & buf)
writeText(std::string("NULL"), buf);
}
inline void writeText(const NegativeInfinity &, WriteBuffer & buf)
{
writeText(std::string("-Inf"), buf);
}
inline void writeText(const PositiveInfinity &, WriteBuffer & buf)
{
writeText(std::string("+Inf"), buf);
}
String toString(const Field & x)
{
return Field::dispatch(

36
src/Core/Field.h
View File

@ -218,6 +218,8 @@ template <> struct NearestFieldTypeImpl<Tuple> { using Type = Tuple; };
template <> struct NearestFieldTypeImpl<Map> { using Type = Map; };
template <> struct NearestFieldTypeImpl<bool> { using Type = UInt64; };
template <> struct NearestFieldTypeImpl<Null> { using Type = Null; };
template <> struct NearestFieldTypeImpl<NegativeInfinity> { using Type = NegativeInfinity; };
template <> struct NearestFieldTypeImpl<PositiveInfinity> { using Type = PositiveInfinity; };
template <> struct NearestFieldTypeImpl<AggregateFunctionStateData> { using Type = AggregateFunctionStateData; };
@ -269,6 +271,10 @@ public:
Int256 = 25,
Map = 26,
UUID = 27,
// Special types for index analysis
NegativeInfinity = 254,
PositiveInfinity = 255,
};
static const char * toString(Which which)
@ -276,6 +282,8 @@ public:
switch (which)
{
case Null: return "Null";
case NegativeInfinity: return "-Inf";
case PositiveInfinity: return "+Inf";
case UInt64: return "UInt64";
case UInt128: return "UInt128";
case UInt256: return "UInt256";
@ -404,7 +412,10 @@ public:
Types::Which getType() const { return which; }
const char * getTypeName() const { return Types::toString(which); }
bool isNull() const { return which == Types::Null; }
// Non-valued field are all denoted as Null
bool isNull() const { return which == Types::Null || which == Types::NegativeInfinity || which == Types::PositiveInfinity; }
bool isNegativeInfinity() const { return which == Types::NegativeInfinity; }
bool isPositiveInfinity() const { return which == Types::PositiveInfinity; }
template <typename T>
@ -459,7 +470,10 @@ public:
switch (which)
{
case Types::Null: return false;
case Types::Null:
case Types::NegativeInfinity:
case Types::PositiveInfinity:
return false;
case Types::UInt64: return get<UInt64>() < rhs.get<UInt64>();
case Types::UInt128: return get<UInt128>() < rhs.get<UInt128>();
case Types::UInt256: return get<UInt256>() < rhs.get<UInt256>();
@ -496,7 +510,10 @@ public:
switch (which)
{
case Types::Null: return true;
case Types::Null:
case Types::NegativeInfinity:
case Types::PositiveInfinity:
return true;
case Types::UInt64: return get<UInt64>() <= rhs.get<UInt64>();
case Types::UInt128: return get<UInt128>() <= rhs.get<UInt128>();
case Types::UInt256: return get<UInt256>() <= rhs.get<UInt256>();
@ -533,8 +550,11 @@ public:
switch (which)
{
case Types::Null: return true;
case Types::UInt64: return get<UInt64>() == rhs.get<UInt64>();
case Types::Null:
case Types::NegativeInfinity:
case Types::PositiveInfinity:
return true;
case Types::UInt64: return get<UInt64>() == rhs.get<UInt64>();
case Types::Int64: return get<Int64>() == rhs.get<Int64>();
case Types::Float64:
{
@ -573,6 +593,8 @@ public:
switch (field.which)
{
case Types::Null: return f(field.template get<Null>());
case Types::NegativeInfinity: return f(field.template get<NegativeInfinity>());
case Types::PositiveInfinity: return f(field.template get<PositiveInfinity>());
// gcc 8.2.1
#if !defined(__clang__)
#pragma GCC diagnostic push
@ -731,6 +753,8 @@ using Row = std::vector<Field>;
template <> struct Field::TypeToEnum<Null> { static const Types::Which value = Types::Null; };
template <> struct Field::TypeToEnum<NegativeInfinity> { static const Types::Which value = Types::NegativeInfinity; };
template <> struct Field::TypeToEnum<PositiveInfinity> { static const Types::Which value = Types::PositiveInfinity; };
template <> struct Field::TypeToEnum<UInt64> { static const Types::Which value = Types::UInt64; };
template <> struct Field::TypeToEnum<UInt128> { static const Types::Which value = Types::UInt128; };
template <> struct Field::TypeToEnum<UInt256> { static const Types::Which value = Types::UInt256; };
@ -751,6 +775,8 @@ template <> struct Field::TypeToEnum<DecimalField<DateTime64>>{ static const Typ
template <> struct Field::TypeToEnum<AggregateFunctionStateData>{ static const Types::Which value = Types::AggregateFunctionState; };
template <> struct Field::EnumToType<Field::Types::Null> { using Type = Null; };
template <> struct Field::EnumToType<Field::Types::NegativeInfinity> { using Type = NegativeInfinity; };
template <> struct Field::EnumToType<Field::Types::PositiveInfinity> { using Type = PositiveInfinity; };
template <> struct Field::EnumToType<Field::Types::UInt64> { using Type = UInt64; };
template <> struct Field::EnumToType<Field::Types::UInt128> { using Type = UInt128; };
template <> struct Field::EnumToType<Field::Types::UInt256> { using Type = UInt256; };

17
src/Core/NamesAndTypes.cpp
View File

@ -6,6 +6,7 @@
#include <IO/WriteHelpers.h>
#include <IO/ReadBufferFromString.h>
#include <IO/WriteBufferFromString.h>
#include <sparsehash/dense_hash_map>
namespace DB
@ -161,18 +162,24 @@ NamesAndTypesList NamesAndTypesList::filter(const Names & names) const
NamesAndTypesList NamesAndTypesList::addTypes(const Names & names) const
{
std::unordered_map<std::string_view, const NameAndTypePair *> self_columns;
/// NOTE: It's better to make a map in `IStorage` than to create it here every time again.
#if !defined(ARCADIA_BUILD)
google::dense_hash_map<StringRef, const DataTypePtr *, StringRefHash> types;
#else
google::sparsehash::dense_hash_map<StringRef, const DataTypePtr *, StringRefHash> types;
#endif
types.set_empty_key(StringRef());
for (const auto & column : *this)
self_columns[column.name] = &column;
types[column.name] = &column.type;
NamesAndTypesList res;
for (const String & name : names)
{
auto it = self_columns.find(name);
if (it == self_columns.end())
auto it = types.find(name);
if (it == types.end())
throw Exception("No column " + name, ErrorCodes::THERE_IS_NO_COLUMN);
res.emplace_back(*it->second);
res.emplace_back(name, *it->second);
}
return res;

27
src/Core/PostgreSQL/insertPostgreSQLValue.cpp
View File

@ -9,6 +9,7 @@
#include <DataTypes/IDataType.h>
#include <DataTypes/DataTypeNullable.h>
#include <DataTypes/DataTypeArray.h>
#include <DataTypes/DataTypeDateTime64.h>
#include <DataTypes/DataTypesDecimal.h>
#include <Interpreters/convertFieldToType.h>
#include <IO/ReadHelpers.h>
@ -89,9 +90,6 @@ void insertPostgreSQLValue(
case ExternalResultDescription::ValueType::vtDate:
assert_cast<ColumnUInt16 &>(column).insertValue(UInt16{LocalDate{std::string(value)}.getDayNum()});
break;
case ExternalResultDescription::ValueType::vtDate32:
assert_cast<ColumnInt32 &>(column).insertValue(Int32{LocalDate{std::string(value)}.getExtenedDayNum()});
break;
case ExternalResultDescription::ValueType::vtDateTime:
{
ReadBufferFromString in(value);
@ -102,7 +100,16 @@ void insertPostgreSQLValue(
assert_cast<ColumnUInt32 &>(column).insertValue(time);
break;
}
case ExternalResultDescription::ValueType::vtDateTime64:[[fallthrough]];
case ExternalResultDescription::ValueType::vtDateTime64:
{
ReadBufferFromString in(value);
DateTime64 time = 0;
readDateTime64Text(time, 6, in, assert_cast<const DataTypeDateTime64 *>(data_type.get())->getTimeZone());
if (time < 0)
time = 0;
assert_cast<ColumnDecimal<Decimal64> &>(column).insertValue(time);
break;
}
case ExternalResultDescription::ValueType::vtDecimal32: [[fallthrough]];
case ExternalResultDescription::ValueType::vtDecimal64: [[fallthrough]];
case ExternalResultDescription::ValueType::vtDecimal128: [[fallthrough]];
@ -204,6 +211,18 @@ void preparePostgreSQLArrayInfo(
ReadBufferFromString in(field);
time_t time = 0;
readDateTimeText(time, in, assert_cast<const DataTypeDateTime *>(nested.get())->getTimeZone());
if (time < 0)
time = 0;
return time;
};
else if (which.isDateTime64())
parser = [nested](std::string & field) -> Field
{
ReadBufferFromString in(field);
DateTime64 time = 0;
readDateTime64Text(time, 6, in, assert_cast<const DataTypeDateTime64 *>(nested.get())->getTimeZone());
if (time < 0)
time = 0;
return time;
};
else if (which.isDecimal32())

1
src/Core/PostgreSQL/insertPostgreSQLValue.h
View File

@ -7,7 +7,6 @@
#if USE_LIBPQXX
#include <Core/Block.h>
#include <DataStreams/IBlockInputStream.h>
#include <Core/ExternalResultDescription.h>
#include <Core/Field.h>

5
src/Core/Settings.h
View File

@ -57,7 +57,7 @@ class IColumn;
M(Seconds, tcp_keep_alive_timeout, 0, "The time in seconds the connection needs to remain idle before TCP starts sending keepalive probes", 0) \
M(Milliseconds, hedged_connection_timeout_ms, DBMS_DEFAULT_HEDGED_CONNECTION_TIMEOUT_MS, "Connection timeout for establishing connection with replica for Hedged requests", 0) \
M(Milliseconds, receive_data_timeout_ms, DBMS_DEFAULT_RECEIVE_DATA_TIMEOUT_MS, "Connection timeout for receiving first packet of data or packet with positive progress from replica", 0) \
M(Bool, use_hedged_requests, false, "Use hedged requests for distributed queries", 0) \
M(Bool, use_hedged_requests, true, "Use hedged requests for distributed queries", 0) \
M(Bool, allow_changing_replica_until_first_data_packet, false, "Allow HedgedConnections to change replica until receiving first data packet", 0) \
M(Milliseconds, queue_max_wait_ms, 0, "The wait time in the request queue, if the number of concurrent requests exceeds the maximum.", 0) \
M(Milliseconds, connection_pool_max_wait_ms, 0, "The wait time when the connection pool is full.", 0) \
@ -482,6 +482,8 @@ class IColumn;
M(UInt64, limit, 0, "Limit on read rows from the most 'end' result for select query, default 0 means no limit length", 0) \
M(UInt64, offset, 0, "Offset on read rows from the most 'end' result for select query", 0) \
\
M(UInt64, function_range_max_elements_in_block, 500000000, "Maximum number of values generated by function 'range' per block of data (sum of array sizes for every row in a block, see also 'max_block_size' and 'min_insert_block_size_rows'). It is a safety threshold.", 0) \
\
/** Experimental functions */ \
M(Bool, allow_experimental_funnel_functions, false, "Enable experimental functions for funnel analysis.", 0) \
\
@ -524,6 +526,7 @@ class IColumn;
M(Bool, input_format_values_accurate_types_of_literals, true, "For Values format: when parsing and interpreting expressions using template, check actual type of literal to avoid possible overflow and precision issues.", 0) \
M(Bool, input_format_avro_allow_missing_fields, false, "For Avro/AvroConfluent format: when field is not found in schema use default value instead of error", 0) \
M(URI, format_avro_schema_registry_url, "", "For AvroConfluent format: Confluent Schema Registry URL.", 0) \
M(String, output_format_avro_string_column_pattern, "", "For Avro format: regexp of String columns to select as AVRO string.", 0) \
\
M(Bool, output_format_json_quote_64bit_integers, true, "Controls quoting of 64-bit integers in JSON output format.", 0) \
\

4
src/Core/Types.h
View File

@ -14,6 +14,8 @@ namespace DB
/// Data types for representing elementary values from a database in RAM.
struct Null {};
struct NegativeInfinity {};
struct PositiveInfinity {};
/// Ignore strange gcc warning https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55776
#if !defined(__clang__)
@ -39,7 +41,6 @@ enum class TypeIndex
Float32,
Float64,
Date,
Date32,
DateTime,
DateTime64,
String,
@ -258,7 +259,6 @@ inline constexpr const char * getTypeName(TypeIndex idx)
case TypeIndex::Float32: return "Float32";
case TypeIndex::Float64: return "Float64";
case TypeIndex::Date: return "Date";
case TypeIndex::Date32: return "Date32";
case TypeIndex::DateTime: return "DateTime";
case TypeIndex::DateTime64: return "DateTime64";
case TypeIndex::String: return "String";

1
src/Core/callOnTypeIndex.h
View File

@ -192,7 +192,6 @@ bool callOnIndexAndDataType(TypeIndex number, F && f, ExtraArgs && ... args)
case TypeIndex::Decimal256: return f(TypePair<DataTypeDecimal<Decimal256>, T>(), std::forward<ExtraArgs>(args)...);
case TypeIndex::Date: return f(TypePair<DataTypeDate, T>(), std::forward<ExtraArgs>(args)...);
case TypeIndex::Date32: return f(TypePair<DataTypeDate, T>(), std::forward<ExtraArgs>(args)...);
case TypeIndex::DateTime: return f(TypePair<DataTypeDateTime, T>(), std::forward<ExtraArgs>(args)...);
case TypeIndex::DateTime64: return f(TypePair<DataTypeDateTime64, T>(), std::forward<ExtraArgs>(args)...);

7
src/Core/iostream_debug_helpers.cpp
View File

@ -6,7 +6,6 @@
#include <Core/ColumnWithTypeAndName.h>
#include <Core/Field.h>
#include <Core/NamesAndTypes.h>
#include <DataStreams/IBlockInputStream.h>
#include <DataTypes/IDataType.h>
#include <Functions/IFunction.h>
#include <IO/WriteBufferFromOStream.h>
@ -28,12 +27,6 @@ std::ostream & operator<< <Field>(std::ostream & stream, const Field & what)
return stream;
}
std::ostream & operator<<(std::ostream & stream, const IBlockInputStream & what)
{
stream << "IBlockInputStream(name = " << what.getName() << ")";
return stream;
}
std::ostream & operator<<(std::ostream & stream, const NameAndTypePair & what)
{
stream << "NameAndTypePair(name = " << what.name << ", type = " << what.type << ")";

3
src/Core/iostream_debug_helpers.h
View File

@ -10,9 +10,6 @@ class Field;
template <typename T, typename U = std::enable_if_t<std::is_same_v<T, Field>>>
std::ostream & operator<<(std::ostream & stream, const T & what);
class IBlockInputStream;
std::ostream & operator<<(std::ostream & stream, const IBlockInputStream & what);
struct NameAndTypePair;
std::ostream & operator<<(std::ostream & stream, const NameAndTypePair & what);

1
src/DataStreams/BlocksSource.h
View File

@ -11,7 +11,6 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#include <DataStreams/IBlockInputStream.h>
#include <Processors/Sources/SourceWithProgress.h>
#include <Processors/Transforms/AggregatingTransform.h>

2
src/DataStreams/CountingBlockOutputStream.h
View File

@ -1,6 +1,6 @@
#pragma once
#include <DataStreams/IBlockOutputStream.h>
#include <DataStreams/IBlockInputStream.h>
#include <Interpreters/ProcessList.h>

71
src/DataStreams/IBlockInputStream.cpp
View File

@ -25,7 +25,6 @@ namespace ErrorCodes
extern const int TOO_MANY_BYTES;
extern const int TOO_MANY_ROWS_OR_BYTES;
extern const int LOGICAL_ERROR;
extern const int TOO_DEEP_PIPELINE;
}
@ -357,74 +356,4 @@ Block IBlockInputStream::getExtremes()
return res;
}
String IBlockInputStream::getTreeID() const
{
WriteBufferFromOwnString s;
s << getName();
if (!children.empty())
{
s << "(";
for (BlockInputStreams::const_iterator it = children.begin(); it != children.end(); ++it)
{
if (it != children.begin())
s << ", ";
s << (*it)->getTreeID();
}
s << ")";
}
return s.str();
}
size_t IBlockInputStream::checkDepthImpl(size_t max_depth, size_t level) const
{
if (children.empty())
return 0;
if (level > max_depth)
throw Exception("Query pipeline is too deep. Maximum: " + toString(max_depth), ErrorCodes::TOO_DEEP_PIPELINE);
size_t res = 0;
for (const auto & child : children)
{
size_t child_depth = child->checkDepth(level + 1);
if (child_depth > res)
res = child_depth;
}
return res + 1;
}
void IBlockInputStream::dumpTree(WriteBuffer & ostr, size_t indent, size_t multiplier) const
{
ostr << String(indent, ' ') << getName();
if (multiplier > 1)
ostr << " × " << multiplier;
//ostr << ": " << getHeader().dumpStructure();
ostr << '\n';
++indent;
/// If the subtree is repeated several times, then we output it once with the multiplier.
using Multipliers = std::map<String, size_t>;
Multipliers multipliers;
for (const auto & child : children)
++multipliers[child->getTreeID()];
for (const auto & child : children)
{
String id = child->getTreeID();
size_t & subtree_multiplier = multipliers[id];
if (subtree_multiplier != 0) /// Already printed subtrees are marked with zero in the array of multipliers.
{
child->dumpTree(ostr, indent, subtree_multiplier);
subtree_multiplier = 0;
}
}
}
}

21
src/DataStreams/IBlockInputStream.h
View File

@ -23,15 +23,6 @@ namespace ErrorCodes
class ProcessListElement;
class EnabledQuota;
class QueryStatus;
struct SortColumnDescription;
using SortDescription = std::vector<SortColumnDescription>;
/** Callback to track the progress of the query.
* Used in IBlockInputStream and Context.
* The function takes the number of rows in the last block, the number of bytes in the last block.
* Note that the callback can be called from different threads.
*/
using ProgressCallback = std::function<void(const Progress & progress)>;
/** The stream interface for reading data by blocks from the database.
@ -93,15 +84,6 @@ public:
*/
virtual void readSuffix();
/// Must be called before `read()` and `readPrefix()`.
void dumpTree(WriteBuffer & ostr, size_t indent = 0, size_t multiplier = 1) const;
/** Check the depth of the pipeline.
* If max_depth is specified and the `depth` is greater - throw an exception.
* Must be called before `read()` and `readPrefix()`.
*/
size_t checkDepth(size_t max_depth) const { return checkDepthImpl(max_depth, max_depth); }
/// Do not allow to change the table while the blocks stream and its children are alive.
void addTableLock(const TableLockHolder & lock) { table_locks.push_back(lock); }
@ -269,9 +251,6 @@ private:
size_t checkDepthImpl(size_t max_depth, size_t level) const;
/// Get text with names of this source and the entire subtree.
String getTreeID() const;
template <typename F>
void forEachChild(F && f)
{

80
src/DataStreams/LazyBlockInputStream.h
View File

@ -1,80 +0,0 @@
#pragma once
#include <DataStreams/IBlockInputStream.h>
namespace DB
{
/** Initialize another source on the first `read` call, and then use it.
* This is needed, for example, to read from a table that will be populated
* after creation of LazyBlockInputStream object, but before the first `read` call.
*/
class LazyBlockInputStream : public IBlockInputStream
{
public:
using Generator = std::function<BlockInputStreamPtr()>;
LazyBlockInputStream(const Block & header_, Generator generator_)
: header(header_), generator(std::move(generator_))
{
}
LazyBlockInputStream(const char * name_, const Block & header_, Generator generator_)
: name(name_), header(header_), generator(std::move(generator_))
{
}
String getName() const override { return name; }
Block getHeader() const override
{
return header;
}
/// We call readPrefix lazily. Suppress default behaviour.
void readPrefix() override {}
protected:
Block readImpl() override
{
if (!input)
{
input = generator();
if (!input)
return Block();
auto * p_input = dynamic_cast<IBlockInputStream *>(input.get());
if (p_input)
{
/// They could have been set before, but were not passed into the `input`.
if (progress_callback)
p_input->setProgressCallback(progress_callback);
if (process_list_elem)
p_input->setProcessListElement(process_list_elem);
}
input->readPrefix();
{
addChild(input);
if (isCancelled() && p_input)
p_input->cancel(is_killed);
}
}
return input->read();
}
private:
const char * name = "Lazy";
Block header;
Generator generator;
BlockInputStreamPtr input;
};
}

24
src/DataStreams/NullBlockInputStream.h
View File

@ -1,24 +0,0 @@
#pragma once
#include <DataStreams/IBlockInputStream.h>
namespace DB
{
/// Empty stream of blocks of specified structure.
class NullBlockInputStream : public IBlockInputStream
{
public:
NullBlockInputStream(const Block & header_) : header(header_) {}
Block getHeader() const override { return header; }
String getName() const override { return "Null"; }
private:
Block header;
Block readImpl() override { return {}; }
};
}

1
src/DataStreams/ParallelInputsProcessor.h
View File

@ -8,7 +8,6 @@
#include <common/logger_useful.h>
#include <DataStreams/IBlockInputStream.h>
#include <Common/setThreadName.h>
#include <Common/CurrentMetrics.h>
#include <Common/CurrentThread.h>

2
src/DataStreams/narrowBlockInputStreams.h
View File

@ -1,6 +1,6 @@
#pragma once
#include <DataStreams/IBlockInputStream.h>
#include <cstddef>
namespace DB

23
src/DataTypes/DataTypeDate32.cpp
View File

@ -1,23 +0,0 @@
#include <DataTypes/DataTypeDate32.h>
#include <DataTypes/DataTypeFactory.h>
#include <DataTypes/Serializations/SerializationDate32.h>
namespace DB
{
bool DataTypeDate32::equals(const IDataType & rhs) const
{
return typeid(rhs) == typeid(*this);
}
SerializationPtr DataTypeDate32::doGetDefaultSerialization() const
{
return std::make_shared<SerializationDate32>();
}
void registerDataTypeDate32(DataTypeFactory & factory)
{
factory.registerSimpleDataType(
"Date32", [] { return DataTypePtr(std::make_shared<DataTypeDate32>()); }, DataTypeFactory::CaseInsensitive);
}
}

23
src/DataTypes/DataTypeDate32.h
View File

@ -1,23 +0,0 @@
#pragma once
#include <DataTypes/DataTypeNumberBase.h>
namespace DB
{
class DataTypeDate32 final : public DataTypeNumberBase<Int32>
{
public:
static constexpr auto family_name = "Date32";
TypeIndex getTypeId() const override { return TypeIndex::Date32; }
const char * getFamilyName() const override { return family_name; }
bool canBeUsedAsVersion() const override { return true; }
bool canBeInsideNullable() const override { return true; }
bool equals(const IDataType & rhs) const override;
protected:
SerializationPtr doGetDefaultSerialization() const override;
};
}

1
src/DataTypes/DataTypeFactory.cpp
View File

@ -194,7 +194,6 @@ DataTypeFactory::DataTypeFactory()
registerDataTypeNumbers(*this);
registerDataTypeDecimal(*this);
registerDataTypeDate(*this);
registerDataTypeDate32(*this);
registerDataTypeDateTime(*this);
registerDataTypeString(*this);
registerDataTypeFixedString(*this);

1
src/DataTypes/DataTypeFactory.h
View File

@ -69,7 +69,6 @@ private:
void registerDataTypeNumbers(DataTypeFactory & factory);
void registerDataTypeDecimal(DataTypeFactory & factory);
void registerDataTypeDate(DataTypeFactory & factory);
void registerDataTypeDate32(DataTypeFactory & factory);
void registerDataTypeDateTime(DataTypeFactory & factory);
void registerDataTypeString(DataTypeFactory & factory);
void registerDataTypeFixedString(DataTypeFactory & factory);

2
src/DataTypes/DataTypeLowCardinality.cpp
View File

@ -78,8 +78,6 @@ MutableColumnUniquePtr DataTypeLowCardinality::createColumnUniqueImpl(const IDat
return creator(static_cast<ColumnFixedString *>(nullptr));
else if (which.isDate())
return creator(static_cast<ColumnVector<UInt16> *>(nullptr));
else if (which.isDate32())
return creator(static_cast<ColumnVector<Int32> *>(nullptr));
else if (which.isDateTime())
return creator(static_cast<ColumnVector<UInt32> *>(nullptr));
else if (which.isUUID())

11
src/DataTypes/FieldToDataType.cpp
View File

@ -19,6 +19,7 @@ namespace DB
namespace ErrorCodes
{
extern const int EMPTY_DATA_PASSED;
extern const int LOGICAL_ERROR;
}
@ -27,6 +28,16 @@ DataTypePtr FieldToDataType::operator() (const Null &) const
return std::make_shared<DataTypeNullable>(std::make_shared<DataTypeNothing>());
}
DataTypePtr FieldToDataType::operator() (const NegativeInfinity &) const
{
throw Exception("It's invalid to have -inf literals in SQL", ErrorCodes::LOGICAL_ERROR);
}
DataTypePtr FieldToDataType::operator() (const PositiveInfinity &) const
{
throw Exception("It's invalid to have +inf literals in SQL", ErrorCodes::LOGICAL_ERROR);
}
DataTypePtr FieldToDataType::operator() (const UInt64 & x) const
{
if (x <= std::numeric_limits<UInt8>::max()) return std::make_shared<DataTypeUInt8>();

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