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Merge branch 'master' of github.com:ClickHouse/ClickHouse into divanik/add_local_and_azure_iceberg_support

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divanik 2024-08-15 12:59:53 +00:00
commit 40b45d84ee
17 changed files with 265 additions and 103 deletions
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1
src/Core/Settings.h
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@ -327,6 +327,7 @@ class IColumn;
\
M(Bool, join_use_nulls, false, "Use NULLs for non-joined rows of outer JOINs for types that can be inside Nullable. If false, use default value of corresponding columns data type.", IMPORTANT) \
\
M(Int32, join_output_by_rowlist_perkey_rows_threshold, 5, "The lower limit of per-key average rows in the right table to determine whether to output by row list in hash join.", 0) \
M(JoinStrictness, join_default_strictness, JoinStrictness::All, "Set default strictness in JOIN query. Possible values: empty string, 'ANY', 'ALL'. If empty, query without strictness will throw exception.", 0) \
M(Bool, any_join_distinct_right_table_keys, false, "Enable old ANY JOIN logic with many-to-one left-to-right table keys mapping for all ANY JOINs. It leads to confusing not equal results for 't1 ANY LEFT JOIN t2' and 't2 ANY RIGHT JOIN t1'. ANY RIGHT JOIN needs one-to-many keys mapping to be consistent with LEFT one.", IMPORTANT) \
M(Bool, single_join_prefer_left_table, true, "For single JOIN in case of identifier ambiguity prefer left table", IMPORTANT) \

1
src/Core/SettingsChangesHistory.cpp
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@ -348,6 +348,7 @@ static std::initializer_list<std::pair<ClickHouseVersion, SettingsChangesHistory
{"allow_experimental_time_series_table", false, false, "Added new setting to allow the TimeSeries table engine"},
{"enable_analyzer", 1, 1, "Added an alias to a setting `allow_experimental_analyzer`."},
{"optimize_functions_to_subcolumns", false, true, "Enabled settings by default"},
{"join_output_by_rowlist_perkey_rows_threshold", 0, 5, "The lower limit of per-key average rows in the right table to determine whether to output by row list in hash join."},
{"allow_experimental_vector_similarity_index", false, false, "Added new setting to allow experimental vector similarity indexes"},
{"local_create_new_file_on_insert", false, false, "Enabled creating a new file on each insert in local object storage engine tables"}
}

157
src/Interpreters/HashJoin/AddedColumns.cpp
View File

@ -15,48 +15,115 @@ JoinOnKeyColumns::JoinOnKeyColumns(const Block & block, const Names & key_names_
{
}
template<> void AddedColumns<false>::buildOutput()
{
}
template<>
void AddedColumns<false>::buildOutput() {}
template<>
void AddedColumns<false>::buildJoinGetOutput() {}
template<>
template<bool from_row_list>
void AddedColumns<false>::buildOutputFromBlocks() {}
template<>
void AddedColumns<true>::buildOutput()
{
for (size_t i = 0; i < this->size(); ++i)
if (!output_by_row_list)
buildOutputFromBlocks<false>();
else
{
auto& col = columns[i];
size_t default_count = 0;
auto apply_default = [&]()
if (join_data_avg_perkey_rows < output_by_row_list_threshold)
buildOutputFromBlocks<true>();
else
{
if (default_count > 0)
for (size_t i = 0; i < this->size(); ++i)
{
JoinCommon::addDefaultValues(*col, type_name[i].type, default_count);
default_count = 0;
}
};
for (size_t j = 0; j < lazy_output.blocks.size(); ++j)
{
if (!lazy_output.blocks[j])
{
default_count++;
continue;
}
apply_default();
const auto & column_from_block = reinterpret_cast<const Block *>(lazy_output.blocks[j])->getByPosition(right_indexes[i]);
/// If it's joinGetOrNull, we need to wrap not-nullable columns in StorageJoin.
if (is_join_get)
{
if (auto * nullable_col = typeid_cast<ColumnNullable *>(col.get());
nullable_col && !column_from_block.column->isNullable())
auto & col = columns[i];
for (auto row_ref_i : lazy_output.row_refs)
{
nullable_col->insertFromNotNullable(*column_from_block.column, lazy_output.row_nums[j]);
continue;
if (row_ref_i)
{
const RowRefList * row_ref_list = reinterpret_cast<const RowRefList *>(row_ref_i);
for (auto it = row_ref_list->begin(); it.ok(); ++it)
col->insertFrom(*it->block->getByPosition(right_indexes[i]).column, it->row_num);
}
else
type_name[i].type->insertDefaultInto(*col);
}
}
col->insertFrom(*column_from_block.column, lazy_output.row_nums[j]);
}
apply_default();
}
}
template<>
void AddedColumns<true>::buildJoinGetOutput()
{
for (size_t i = 0; i < this->size(); ++i)
{
auto & col = columns[i];
for (auto row_ref_i : lazy_output.row_refs)
{
if (!row_ref_i)
{
type_name[i].type->insertDefaultInto(*col);
continue;
}
const auto * row_ref = reinterpret_cast<const RowRef *>(row_ref_i);
const auto & column_from_block = row_ref->block->getByPosition(right_indexes[i]);
if (auto * nullable_col = typeid_cast<ColumnNullable *>(col.get()); nullable_col && !column_from_block.column->isNullable())
nullable_col->insertFromNotNullable(*column_from_block.column, row_ref->row_num);
else
col->insertFrom(*column_from_block.column, row_ref->row_num);
}
}
}
template<>
template<bool from_row_list>
void AddedColumns<true>::buildOutputFromBlocks()
{
if (this->size() == 0)
return;
std::vector<const Block *> blocks;
std::vector<UInt32> row_nums;
blocks.reserve(lazy_output.row_refs.size());
row_nums.reserve(lazy_output.row_refs.size());
for (auto row_ref_i : lazy_output.row_refs)
{
if (row_ref_i)
{
if constexpr (from_row_list)
{
const RowRefList * row_ref_list = reinterpret_cast<const RowRefList *>(row_ref_i);
for (auto it = row_ref_list->begin(); it.ok(); ++it)
{
blocks.emplace_back(it->block);
row_nums.emplace_back(it->row_num);
}
}
else
{
const RowRef * row_ref = reinterpret_cast<const RowRefList *>(row_ref_i);
blocks.emplace_back(row_ref->block);
row_nums.emplace_back(row_ref->row_num);
}
}
else
{
blocks.emplace_back(nullptr);
row_nums.emplace_back(0);
}
}
for (size_t i = 0; i < this->size(); ++i)
{
auto & col = columns[i];
for (size_t j = 0; j < blocks.size(); ++j)
{
if (blocks[j])
col->insertFrom(*blocks[j]->getByPosition(right_indexes[i]).column, row_nums[j]);
else
type_name[i].type->insertDefaultInto(*col);
}
}
}
@ -72,29 +139,27 @@ void AddedColumns<false>::applyLazyDefaults()
}
template<>
void AddedColumns<true>::applyLazyDefaults()
{
}
void AddedColumns<true>::applyLazyDefaults() {}
template <>
void AddedColumns<false>::appendFromBlock(const Block & block, size_t row_num,const bool has_defaults)
void AddedColumns<false>::appendFromBlock(const RowRef * row_ref, const bool has_defaults)
{
if (has_defaults)
applyLazyDefaults();
#ifndef NDEBUG
checkBlock(block);
checkBlock(*row_ref->block);
#endif
if (is_join_get)
{
size_t right_indexes_size = right_indexes.size();
for (size_t j = 0; j < right_indexes_size; ++j)
{
const auto & column_from_block = block.getByPosition(right_indexes[j]);
const auto & column_from_block = row_ref->block->getByPosition(right_indexes[j]);
if (auto * nullable_col = nullable_column_ptrs[j])
nullable_col->insertFromNotNullable(*column_from_block.column, row_num);
nullable_col->insertFromNotNullable(*column_from_block.column, row_ref->row_num);
else
columns[j]->insertFrom(*column_from_block.column, row_num);
columns[j]->insertFrom(*column_from_block.column, row_ref->row_num);
}
}
else
@ -102,22 +167,21 @@ void AddedColumns<false>::appendFromBlock(const Block & block, size_t row_num,co
size_t right_indexes_size = right_indexes.size();
for (size_t j = 0; j < right_indexes_size; ++j)
{
const auto & column_from_block = block.getByPosition(right_indexes[j]);
columns[j]->insertFrom(*column_from_block.column, row_num);
const auto & column_from_block = row_ref->block->getByPosition(right_indexes[j]);
columns[j]->insertFrom(*column_from_block.column, row_ref->row_num);
}
}
}
template <>
void AddedColumns<true>::appendFromBlock(const Block & block, size_t row_num, bool)
void AddedColumns<true>::appendFromBlock(const RowRef * row_ref, bool)
{
#ifndef NDEBUG
checkBlock(block);
checkBlock(*row_ref->block);
#endif
if (has_columns_to_add)
{
lazy_output.blocks.emplace_back(reinterpret_cast<UInt64>(&block));
lazy_output.row_nums.emplace_back(static_cast<uint32_t>(row_num));
lazy_output.row_refs.emplace_back(reinterpret_cast<UInt64>(row_ref));
}
}
template<>
@ -131,8 +195,7 @@ void AddedColumns<true>::appendDefaultRow()
{
if (has_columns_to_add)
{
lazy_output.blocks.emplace_back(0);
lazy_output.row_nums.emplace_back(0);
lazy_output.row_refs.emplace_back(0);
}
}
}

28
src/Interpreters/HashJoin/AddedColumns.h
View File

@ -50,8 +50,7 @@ public:
struct LazyOutput
{
PaddedPODArray<UInt64> blocks;
PaddedPODArray<UInt32> row_nums;
PaddedPODArray<UInt64> row_refs;
};
AddedColumns(
@ -76,8 +75,7 @@ public:
if constexpr (lazy)
{
has_columns_to_add = num_columns_to_add > 0;
lazy_output.blocks.reserve(rows_to_add);
lazy_output.row_nums.reserve(rows_to_add);
lazy_output.row_refs.reserve(rows_to_add);
}
columns.reserve(num_columns_to_add);
@ -115,18 +113,22 @@ public:
if (columns[j]->isNullable() && !saved_column->isNullable())
nullable_column_ptrs[j] = typeid_cast<ColumnNullable *>(columns[j].get());
}
join_data_avg_perkey_rows = join.getJoinedData()->avgPerKeyRows();
output_by_row_list_threshold = join.getTableJoin().outputByRowListPerkeyRowsThreshold();
}
size_t size() const { return columns.size(); }
void buildOutput();
void buildJoinGetOutput();
ColumnWithTypeAndName moveColumn(size_t i)
{
return ColumnWithTypeAndName(std::move(columns[i]), type_name[i].type, type_name[i].qualified_name);
}
void appendFromBlock(const Block & block, size_t row_num, bool has_default);
void appendFromBlock(const RowRef * row_ref, bool has_default);
void appendDefaultRow();
@ -134,6 +136,8 @@ public:
const IColumn & leftAsofKey() const { return *left_asof_key; }
static constexpr bool isLazy() { return lazy; }
Block left_block;
std::vector<JoinOnKeyColumns> join_on_keys;
ExpressionActionsPtr additional_filter_expression;
@ -142,6 +146,9 @@ public:
size_t rows_to_add;
std::unique_ptr<IColumn::Offsets> offsets_to_replicate;
bool need_filter = false;
bool output_by_row_list = false;
size_t join_data_avg_perkey_rows = 0;
size_t output_by_row_list_threshold = 0;
IColumn::Filter filter;
void reserve(bool need_replicate)
@ -212,15 +219,22 @@ private:
columns.back()->reserve(src_column.column->size());
type_name.emplace_back(src_column.type, src_column.name, qualified_name);
}
/** Build output from the blocks that extract from `RowRef` or `RowRefList`, to avoid block cache miss which may cause performance slow down.
* And This problem would happen it we directly build output from `RowRef` or `RowRefList`.
*/
template<bool from_row_list>
void buildOutputFromBlocks();
};
/// Adapter class to pass into addFoundRowAll
/// In joinRightColumnsWithAdditionalFilter we don't want to add rows directly into AddedColumns,
/// because they need to be filtered by additional_filter_expression.
class PreSelectedRows : public std::vector<RowRef>
class PreSelectedRows : public std::vector<const RowRef *>
{
public:
void appendFromBlock(const Block & block, size_t row_num, bool /* has_default */) { this->emplace_back(&block, row_num); }
void appendFromBlock(const RowRef * row_ref, bool /* has_default */) { this->emplace_back(row_ref); }
static constexpr bool isLazy() { return false; }
};
}

4
src/Interpreters/HashJoin/HashJoin.cpp
View File

@ -495,7 +495,7 @@ bool HashJoin::addBlockToJoin(const Block & source_block_, bool check_limits)
}
size_t rows = source_block.rows();
data->rows_to_join += rows;
const auto & right_key_names = table_join->getAllNames(JoinTableSide::Right);
ColumnPtrMap all_key_columns(right_key_names.size());
for (const auto & column_name : right_key_names)
@ -647,7 +647,7 @@ bool HashJoin::addBlockToJoin(const Block & source_block_, bool check_limits)
total_bytes = getTotalByteCount();
}
}
data->keys_to_join = total_rows;
shrinkStoredBlocksToFit(total_bytes);
return table_join->sizeLimits().check(total_rows, total_bytes, "JOIN", ErrorCodes::SET_SIZE_LIMIT_EXCEEDED);

12
src/Interpreters/HashJoin/HashJoin.h
View File

@ -345,6 +345,18 @@ public:
size_t blocks_allocated_size = 0;
size_t blocks_nullmaps_allocated_size = 0;
/// Number of rows of right table to join
size_t rows_to_join = 0;
/// Number of keys of right table to join
size_t keys_to_join = 0;
size_t avgPerKeyRows() const
{
if (keys_to_join == 0)
return 0;
return rows_to_join / keys_to_join;
}
};
using RightTableDataPtr = std::shared_ptr<RightTableData>;

3
src/Interpreters/HashJoin/HashJoinMethods.h
View File

@ -83,6 +83,7 @@ public:
const Block & block_with_columns_to_add,
const MapsTemplateVector & maps_,
bool is_join_get = false);
private:
template <typename KeyGetter, bool is_asof_join>
static KeyGetter createKeyGetter(const ColumnRawPtrs & key_columns, const Sizes & key_sizes);
@ -128,7 +129,7 @@ private:
template <typename AddedColumns>
static ColumnPtr buildAdditionalFilter(
size_t left_start_row,
const std::vector<RowRef> & selected_rows,
const std::vector<const RowRef *> & selected_rows,
const std::vector<size_t> & row_replicate_offset,
AddedColumns & added_columns);

49
src/Interpreters/HashJoin/HashJoinMethodsImpl.h
View File

@ -95,7 +95,10 @@ Block HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinBlockImpl(
added_columns.join_on_keys.clear();
Block remaining_block = sliceBlock(block, num_joined);
added_columns.buildOutput();
if (is_join_get)
added_columns.buildJoinGetOutput();
else
added_columns.buildOutput();
for (size_t i = 0; i < added_columns.size(); ++i)
block.insert(added_columns.moveColumn(i));
@ -339,6 +342,8 @@ size_t HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinRightColumns(
size_t rows = added_columns.rows_to_add;
if constexpr (need_filter)
added_columns.filter = IColumn::Filter(rows, 0);
if constexpr (!flag_per_row && (STRICTNESS == JoinStrictness::All || (STRICTNESS == JoinStrictness::Semi && KIND == JoinKind::Right)))
added_columns.output_by_row_list = true;
Arena pool;
@ -381,15 +386,15 @@ size_t HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinRightColumns(
const IColumn & left_asof_key = added_columns.leftAsofKey();
auto row_ref = mapped->findAsof(left_asof_key, i);
if (row_ref.block)
if (row_ref && row_ref->block)
{
setUsed<need_filter>(added_columns.filter, i);
if constexpr (flag_per_row)
used_flags.template setUsed<join_features.need_flags, flag_per_row>(row_ref.block, row_ref.row_num, 0);
used_flags.template setUsed<join_features.need_flags, flag_per_row>(row_ref->block, row_ref->row_num, 0);
else
used_flags.template setUsed<join_features.need_flags, flag_per_row>(find_result);
added_columns.appendFromBlock(*row_ref.block, row_ref.row_num, join_features.add_missing);
added_columns.appendFromBlock(row_ref, join_features.add_missing);
}
else
addNotFoundRow<join_features.add_missing, join_features.need_replication>(added_columns, current_offset);
@ -420,7 +425,7 @@ size_t HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinRightColumns(
if (used_once)
{
setUsed<need_filter>(added_columns.filter, i);
added_columns.appendFromBlock(*mapped.block, mapped.row_num, join_features.add_missing);
added_columns.appendFromBlock(&mapped, join_features.add_missing);
}
break;
@ -438,7 +443,7 @@ size_t HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinRightColumns(
{
setUsed<need_filter>(added_columns.filter, i);
used_flags.template setUsed<join_features.need_flags, flag_per_row>(find_result);
added_columns.appendFromBlock(*mapped.block, mapped.row_num, join_features.add_missing);
added_columns.appendFromBlock(&mapped, join_features.add_missing);
if (join_features.is_any_or_semi_join)
{
@ -477,7 +482,7 @@ template <JoinKind KIND, JoinStrictness STRICTNESS, typename MapsTemplate>
template <typename AddedColumns>
ColumnPtr HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::buildAdditionalFilter(
size_t left_start_row,
const std::vector<RowRef> & selected_rows,
const std::vector<const RowRef *> & selected_rows,
const std::vector<size_t> & row_replicate_offset,
AddedColumns & added_columns)
{
@ -489,7 +494,7 @@ ColumnPtr HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::buildAdditionalFilter
result_column = ColumnUInt8::create();
break;
}
const Block & sample_right_block = *selected_rows.begin()->block;
const Block & sample_right_block = *((*selected_rows.begin())->block);
if (!sample_right_block || !added_columns.additional_filter_expression)
{
auto filter = ColumnUInt8::create();
@ -519,8 +524,8 @@ ColumnPtr HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::buildAdditionalFilter
auto new_col = col.column->cloneEmpty();
for (const auto & selected_row : selected_rows)
{
const auto & src_col = selected_row.block->getByPosition(right_col_pos);
new_col->insertFrom(*src_col.column, selected_row.row_num);
const auto & src_col = selected_row->block->getByPosition(right_col_pos);
new_col->insertFrom(*src_col.column, selected_row->row_num);
}
executed_block.insert({std::move(new_col), col.type, col.name});
}
@ -700,26 +705,24 @@ size_t HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinRightColumnsWithAddt
{
// For inner join, we need mark each right row'flag, because we only use each right row once.
auto used_once = used_flags.template setUsedOnce<join_features.need_flags, true>(
selected_right_row_it->block, selected_right_row_it->row_num, 0);
(*selected_right_row_it)->block, (*selected_right_row_it)->row_num, 0);
if (used_once)
{
any_matched = true;
total_added_rows += 1;
added_columns.appendFromBlock(
*selected_right_row_it->block, selected_right_row_it->row_num, join_features.add_missing);
added_columns.appendFromBlock(*selected_right_row_it, join_features.add_missing);
}
}
}
else
{
auto used_once = used_flags.template setUsedOnce<join_features.need_flags, true>(
selected_right_row_it->block, selected_right_row_it->row_num, 0);
(*selected_right_row_it)->block, (*selected_right_row_it)->row_num, 0);
if (used_once)
{
any_matched = true;
total_added_rows += 1;
added_columns.appendFromBlock(
*selected_right_row_it->block, selected_right_row_it->row_num, join_features.add_missing);
added_columns.appendFromBlock(*selected_right_row_it, join_features.add_missing);
}
}
}
@ -727,16 +730,14 @@ size_t HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinRightColumnsWithAddt
{
any_matched = true;
if constexpr (join_features.right && join_features.need_flags)
used_flags.template setUsed<true, true>(selected_right_row_it->block, selected_right_row_it->row_num, 0);
used_flags.template setUsed<true, true>((*selected_right_row_it)->block, (*selected_right_row_it)->row_num, 0);
}
else
{
any_matched = true;
total_added_rows += 1;
added_columns.appendFromBlock(
*selected_right_row_it->block, selected_right_row_it->row_num, join_features.add_missing);
used_flags.template setUsed<join_features.need_flags, true>(
selected_right_row_it->block, selected_right_row_it->row_num, 0);
added_columns.appendFromBlock(*selected_right_row_it, join_features.add_missing);
used_flags.template setUsed<join_features.need_flags, true>((*selected_right_row_it)->block, (*selected_right_row_it)->row_num, 0);
}
}
@ -756,8 +757,7 @@ size_t HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinRightColumnsWithAddt
if (filter_flags[replicated_row])
{
any_matched = true;
added_columns.appendFromBlock(
*selected_right_row_it->block, selected_right_row_it->row_num, join_features.add_missing);
added_columns.appendFromBlock(*selected_right_row_it, join_features.add_missing);
total_added_rows += 1;
}
++selected_right_row_it;
@ -767,8 +767,7 @@ size_t HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinRightColumnsWithAddt
if (filter_flags[replicated_row])
{
any_matched = true;
added_columns.appendFromBlock(
*selected_right_row_it->block, selected_right_row_it->row_num, join_features.add_missing);
added_columns.appendFromBlock(*selected_right_row_it, join_features.add_missing);
total_added_rows += 1;
selected_right_row_it = selected_right_row_it + row_replicate_offset[i] - replicated_row;
break;

9
src/Interpreters/HashJoin/KnowRowsHolder.h
View File

@ -104,7 +104,7 @@ void addFoundRowAll(
{
if (!known_rows.isKnown(std::make_pair(it->block, it->row_num)))
{
added.appendFromBlock(*it->block, it->row_num, false);
added.appendFromBlock(*it, false);
++current_offset;
if (!new_known_rows_ptr)
{
@ -124,11 +124,16 @@ void addFoundRowAll(
known_rows.add(std::cbegin(*new_known_rows_ptr), std::cend(*new_known_rows_ptr));
}
}
else if constexpr (AddedColumns::isLazy())
{
added.appendFromBlock(&mapped, false);
current_offset += mapped.rows;
}
else
{
for (auto it = mapped.begin(); it.ok(); ++it)
{
added.appendFromBlock(*it->block, it->row_num, false);
added.appendFromBlock(*it, false);
++current_offset;
}
}

6
src/Interpreters/RowRefs.cpp
View File

@ -144,7 +144,7 @@ public:
return low;
}
RowRef findAsof(const IColumn & asof_column, size_t row_num) override
RowRef * findAsof(const IColumn & asof_column, size_t row_num) override
{
sort();
@ -156,10 +156,10 @@ public:
if (pos != entries.size())
{
size_t row_ref_index = entries[pos].row_ref_index;
return row_refs[row_ref_index];
return &row_refs[row_ref_index];
}
return {nullptr, 0};
return nullptr;
}
private:

7
src/Interpreters/RowRefs.h
View File

@ -122,7 +122,7 @@ struct RowRefList : RowRef
};
RowRefList() {} /// NOLINT
RowRefList(const Block * block_, size_t row_num_) : RowRef(block_, row_num_) {}
RowRefList(const Block * block_, size_t row_num_) : RowRef(block_, row_num_), rows(1) {}
ForwardIterator begin() const { return ForwardIterator(this); }
@ -135,8 +135,11 @@ struct RowRefList : RowRef
*next = Batch(nullptr);
}
next = next->insert(std::move(row_ref), pool);
++rows;
}
public:
SizeT rows = 0;
private:
Batch * next = nullptr;
};
@ -158,7 +161,7 @@ struct SortedLookupVectorBase
virtual void insert(const IColumn &, const Block *, size_t) = 0;
// This needs to be synchronized internally
virtual RowRef findAsof(const IColumn &, size_t) = 0;
virtual RowRef * findAsof(const IColumn &, size_t) = 0;
};

1
src/Interpreters/TableJoin.cpp
View File

@ -115,6 +115,7 @@ TableJoin::TableJoin(const Settings & settings, VolumePtr tmp_volume_, Temporary
, partial_merge_join_left_table_buffer_bytes(settings.partial_merge_join_left_table_buffer_bytes)
, max_files_to_merge(settings.join_on_disk_max_files_to_merge)
, temporary_files_codec(settings.temporary_files_codec)
, output_by_rowlist_perkey_rows_threshold(settings.join_output_by_rowlist_perkey_rows_threshold)
, max_memory_usage(settings.max_memory_usage)
, tmp_volume(tmp_volume_)
, tmp_data(tmp_data_)

2
src/Interpreters/TableJoin.h
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@ -148,6 +148,7 @@ private:
const size_t partial_merge_join_left_table_buffer_bytes = 0;
const size_t max_files_to_merge = 0;
const String temporary_files_codec = "LZ4";
const size_t output_by_rowlist_perkey_rows_threshold = 0;
/// Value if setting max_memory_usage for query, can be used when max_bytes_in_join is not specified.
size_t max_memory_usage = 0;
@ -295,6 +296,7 @@ public:
return join_use_nulls && isRightOrFull(kind());
}
size_t outputByRowListPerkeyRowsThreshold() const { return output_by_rowlist_perkey_rows_threshold; }
size_t defaultMaxBytes() const { return default_max_bytes; }
size_t maxJoinedBlockRows() const { return max_joined_block_rows; }
size_t maxRowsInRightBlock() const { return partial_merge_join_rows_in_right_blocks; }

25
src/Processors/Formats/Impl/ArrowColumnToCHColumn.cpp
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@ -133,16 +133,31 @@ static ColumnWithTypeAndName readColumnWithStringData(const std::shared_ptr<arro
std::shared_ptr<arrow::Buffer> buffer = chunk.value_data();
const size_t chunk_length = chunk.length();
for (size_t offset_i = 0; offset_i != chunk_length; ++offset_i)
const size_t null_count = chunk.null_count();
if (null_count == 0)
{
if (!chunk.IsNull(offset_i) && buffer)
for (size_t offset_i = 0; offset_i != chunk_length; ++offset_i)
{
const auto * raw_data = buffer->data() + chunk.value_offset(offset_i);
column_chars_t.insert_assume_reserved(raw_data, raw_data + chunk.value_length(offset_i));
}
column_chars_t.emplace_back('\0');
column_chars_t.emplace_back('\0');
column_offsets.emplace_back(column_chars_t.size());
column_offsets.emplace_back(column_chars_t.size());
}
}
else
{
for (size_t offset_i = 0; offset_i != chunk_length; ++offset_i)
{
if (!chunk.IsNull(offset_i) && buffer)
{
const auto * raw_data = buffer->data() + chunk.value_offset(offset_i);
column_chars_t.insert_assume_reserved(raw_data, raw_data + chunk.value_length(offset_i));
}
column_chars_t.emplace_back('\0');
column_offsets.emplace_back(column_chars_t.size());
}
}
}
return {std::move(internal_column), std::move(internal_type), column_name};

34
src/Processors/Formats/Impl/NativeORCBlockInputFormat.cpp
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@ -1143,24 +1143,42 @@ readColumnWithStringData(const orc::ColumnVectorBatch * orc_column, const orc::T
reserver_size += 1;
}
column_chars_t.reserve(reserver_size);
column_offsets.reserve(orc_str_column->numElements);
column_chars_t.resize_exact(reserver_size);
column_offsets.resize_exact(orc_str_column->numElements);
size_t curr_offset = 0;
for (size_t i = 0; i < orc_str_column->numElements; ++i)
if (!orc_str_column->hasNulls)
{
if (!orc_str_column->hasNulls || orc_str_column->notNull[i])
for (size_t i = 0; i < orc_str_column->numElements; ++i)
{
const auto * buf = orc_str_column->data[i];
size_t buf_size = orc_str_column->length[i];
column_chars_t.insert_assume_reserved(buf, buf + buf_size);
memcpy(&column_chars_t[curr_offset], buf, buf_size);
curr_offset += buf_size;
column_chars_t[curr_offset] = 0;
++curr_offset;
column_offsets[i] = curr_offset;
}
}
else
{
for (size_t i = 0; i < orc_str_column->numElements; ++i)
{
if (orc_str_column->notNull[i])
{
const auto * buf = orc_str_column->data[i];
size_t buf_size = orc_str_column->length[i];
memcpy(&column_chars_t[curr_offset], buf, buf_size);
curr_offset += buf_size;
}
column_chars_t.push_back(0);
++curr_offset;
column_chars_t[curr_offset] = 0;
++curr_offset;
column_offsets.push_back(curr_offset);
column_offsets[i] = curr_offset;
}
}
return {std::move(internal_column), std::move(internal_type), column_name};
}

14
tests/integration/test_storage_mysql/test.py
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@ -445,7 +445,7 @@ def test_mysql_distributed(started_cluster):
query = "SELECT * FROM ("
for i in range(3):
query += "SELECT name FROM test_replicas UNION DISTINCT "
query += "SELECT name FROM test_replicas)"
query += "SELECT name FROM test_replicas) ORDER BY name"
result = node2.query(query)
assert result == "host2\nhost3\nhost4\n"
@ -827,6 +827,9 @@ def test_settings(started_cluster):
f"with settings: connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}"
)
node1.query("DROP DATABASE IF EXISTS m")
node1.query("DROP DATABASE IF EXISTS mm")
rw_timeout = 40123001
connect_timeout = 40123002
node1.query(
@ -855,6 +858,9 @@ def test_settings(started_cluster):
f"with settings: connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}"
)
node1.query("DROP DATABASE m")
node1.query("DROP DATABASE mm")
drop_mysql_table(conn, table_name)
conn.close()
@ -930,6 +936,9 @@ def test_joins(started_cluster):
conn.commit()
node1.query("DROP TABLE IF EXISTS test_joins_table_users")
node1.query("DROP TABLE IF EXISTS test_joins_table_tickets")
node1.query(
"""
CREATE TABLE test_joins_table_users
@ -964,6 +973,9 @@ def test_joins(started_cluster):
"""
) == "281607\tFeedback\t2024-06-25 12:09:41\tuser@example.com\n"
node1.query("DROP TABLE test_joins_table_users")
node1.query("DROP TABLE test_joins_table_tickets")
if __name__ == "__main__":
with contextmanager(started_cluster)() as cluster:

15
tests/performance/all_join_opt.xml Normal file
View File

@ -0,0 +1,15 @@
<test>
<create_query>CREATE TABLE test (a Int64, b String, c LowCardinality(String)) ENGINE = MergeTree() ORDER BY a</create_query>
<create_query>CREATE TABLE test1 (a Int64, b String, c LowCardinality(String)) ENGINE = MergeTree() ORDER BY a</create_query>
<fill_query>INSERT INTO test SELECT number % 10000, number % 10000, number % 10000 FROM numbers(10000000)</fill_query>
<fill_query>INSERT INTO test1 SELECT number % 1000 , number % 1000, number % 1000 FROM numbers(100000)</fill_query>
<query tag='INNER'>SELECT MAX(test1.a) FROM test INNER JOIN test1 on test.b = test1.b</query>
<query tag='LEFT'>SELECT MAX(test1.a) FROM test LEFT JOIN test1 on test.b = test1.b</query>
<query tag='RIGHT'>SELECT MAX(test1.a) FROM test RIGHT JOIN test1 on test.b = test1.b</query>
<query tag='FULL'>SELECT MAX(test1.a) FROM test FULL JOIN test1 on test.b = test1.b</query>
<drop_query>DROP TABLE IF EXISTS test</drop_query>
<drop_query>DROP TABLE IF EXISTS test1</drop_query>
</test>