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Merge pull request #66486 from ClickHouse/compile_expressions_by_default

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Enable `compile_expressions` by default.
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Alexey Milovidov 2024-07-27 17:55:23 +00:00 committed by GitHub
commit 030200efe6
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3 changed files with 4 additions and 3 deletions
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2
src/Core/Settings.h
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@ -186,7 +186,7 @@ class IColumn;
M(Bool, allow_suspicious_ttl_expressions, false, "Reject TTL expressions that don't depend on any of table's columns. It indicates a user error most of the time.", 0) \
M(Bool, allow_suspicious_variant_types, false, "In CREATE TABLE statement allows specifying Variant type with similar variant types (for example, with different numeric or date types). Enabling this setting may introduce some ambiguity when working with values with similar types.", 0) \
M(Bool, allow_suspicious_primary_key, false, "Forbid suspicious PRIMARY KEY/ORDER BY for MergeTree (i.e. SimpleAggregateFunction)", 0) \
M(Bool, compile_expressions, false, "Compile some scalar functions and operators to native code.", 0) \
M(Bool, compile_expressions, true, "Compile some scalar functions and operators to native code.", 0) \
M(UInt64, min_count_to_compile_expression, 3, "The number of identical expressions before they are JIT-compiled", 0) \
M(Bool, compile_aggregate_expressions, true, "Compile aggregate functions to native code.", 0) \
M(UInt64, min_count_to_compile_aggregate_expression, 3, "The number of identical aggregate expressions before they are JIT-compiled", 0) \

3
src/Core/SettingsChangesHistory.cpp
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@ -57,6 +57,7 @@ String ClickHouseVersion::toString() const
/// Note: please check if the key already exists to prevent duplicate entries.
static std::initializer_list<std::pair<ClickHouseVersion, SettingsChangesHistory::SettingsChanges>> settings_changes_history_initializer =
{
{"24.8", {{"compile_expressions", false, true, "We believe that the LLVM infrastructure behind the JIT compiler is stable enough to enable this setting by default."}}},
{"24.7", {{"output_format_parquet_write_page_index", false, true, "Add a possibility to write page index into parquet files."},
{"output_format_binary_encode_types_in_binary_format", false, false, "Added new setting to allow to write type names in binary format in RowBinaryWithNamesAndTypes output format"},
{"input_format_binary_decode_types_in_binary_format", false, false, "Added new setting to allow to read type names in binary format in RowBinaryWithNamesAndTypes input format"},
@ -80,7 +81,7 @@ static std::initializer_list<std::pair<ClickHouseVersion, SettingsChangesHistory
{"ignore_on_cluster_for_replicated_named_collections_queries", false, false, "Ignore ON CLUSTER clause for replicated named collections management queries."},
{"backup_restore_s3_retry_attempts", 1000,1000, "Setting for Aws::Client::RetryStrategy, Aws::Client does retries itself, 0 means no retries. It takes place only for backup/restore."},
{"postgresql_connection_attempt_timeout", 2, 2, "Allow to control 'connect_timeout' parameter of PostgreSQL connection."},
{"postgresql_connection_pool_retries", 2, 2, "Allow to control the number of retries in PostgreSQL connection pool."}
{"postgresql_connection_pool_retries", 2, 2, "Allow to control the number of retries in PostgreSQL connection pool."},
}},
{"24.6", {{"materialize_skip_indexes_on_insert", true, true, "Added new setting to allow to disable materialization of skip indexes on insert"},
{"materialize_statistics_on_insert", true, true, "Added new setting to allow to disable materialization of statistics on insert"},

2
tests/clickhouse-test
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@ -779,7 +779,7 @@ class SettingsRandomizer:
"filesystem_prefetch_step_bytes": lambda: random.choice(
[0, "100Mi"]
), # 0 means 'auto'
# "compile_expressions": lambda: random.randint(0, 1), - this setting has a bug: https://github.com/ClickHouse/ClickHouse/issues/51264
"compile_expressions": lambda: random.randint(0, 1),
"compile_aggregate_expressions": lambda: random.randint(0, 1),
"compile_sort_description": lambda: random.randint(0, 1),
"merge_tree_coarse_index_granularity": lambda: random.randint(2, 32),