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fix

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vdimir 2024-11-18 16:57:09 +00:00
parent 807f3e7d61
commit c224366513
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1 changed files with 28 additions and 21 deletions
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49
src/Planner/PlannerJoinTree.cpp
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@ -1620,22 +1620,6 @@ JoinTreeQueryPlan buildQueryPlanForJoinNode(const QueryTreeNodePtr & join_table_
table_join->setInputColumns(columns_from_left_table, columns_from_right_table); table_join->setInputColumns(columns_from_left_table, columns_from_right_table);
for (auto & column_from_joined_table : columns_from_left_table)
{
/// Add columns to output only if they are presented in outer scope, otherwise they can be dropped
if (planner_context->getGlobalPlannerContext()->hasColumnIdentifier(column_from_joined_table.name) &&
outer_scope_columns.contains(column_from_joined_table.name))
table_join->setUsedColumn(column_from_joined_table, JoinTableSide::Left);
}
for (auto & column_from_joined_table : columns_from_right_table)
{
/// Add columns to output only if they are presented in outer scope, otherwise they can be dropped
if (planner_context->getGlobalPlannerContext()->hasColumnIdentifier(column_from_joined_table.name) &&
outer_scope_columns.contains(column_from_joined_table.name))
table_join->setUsedColumn(column_from_joined_table, JoinTableSide::Right);
}
if (table_join->getOutputColumns(JoinTableSide::Left).empty() && table_join->getOutputColumns(JoinTableSide::Right).empty()) if (table_join->getOutputColumns(JoinTableSide::Left).empty() && table_join->getOutputColumns(JoinTableSide::Right).empty())
{ {
if (!columns_from_left_table.empty()) if (!columns_from_left_table.empty())
@ -1735,13 +1719,36 @@ JoinTreeQueryPlan buildQueryPlanForJoinNode(const QueryTreeNodePtr & join_table_
auto join_pipeline_type = join_algorithm->pipelineType(); auto join_pipeline_type = join_algorithm->pipelineType();
ColumnIdentifierSet outer_scope_columns_nonempty; ColumnIdentifierSet required_columns_after_join = outer_scope_columns;
if (outer_scope_columns.empty())
if (join_clauses_and_actions.residual_join_expressions_actions)
{
for (const auto * input : join_clauses_and_actions.residual_join_expressions_actions->getInputs())
required_columns_after_join.insert(input->result_name);
}
if (required_columns_after_join.empty())
{ {
if (left_header.columns() > 1) if (left_header.columns() > 1)
outer_scope_columns_nonempty.insert(left_header.getByPosition(0).name); required_columns_after_join.insert(left_header.getByPosition(0).name);
else if (right_header.columns() > 1) else if (right_header.columns() > 1)
outer_scope_columns_nonempty.insert(right_header.getByPosition(0).name); required_columns_after_join.insert(right_header.getByPosition(0).name);
}
for (auto & column_from_joined_table : columns_from_left_table)
{
/// Add columns to output only if they are presented in outer scope, otherwise they can be dropped
if (planner_context->getGlobalPlannerContext()->hasColumnIdentifier(column_from_joined_table.name) &&
required_columns_after_join.contains(column_from_joined_table.name))
table_join->setUsedColumn(column_from_joined_table, JoinTableSide::Left);
}
for (auto & column_from_joined_table : columns_from_right_table)
{
/// Add columns to output only if they are presented in outer scope, otherwise they can be dropped
if (planner_context->getGlobalPlannerContext()->hasColumnIdentifier(column_from_joined_table.name) &&
required_columns_after_join.contains(column_from_joined_table.name))
table_join->setUsedColumn(column_from_joined_table, JoinTableSide::Right);
} }
auto join_step = std::make_unique<JoinStep>( auto join_step = std::make_unique<JoinStep>(
@ -1750,7 +1757,7 @@ JoinTreeQueryPlan buildQueryPlanForJoinNode(const QueryTreeNodePtr & join_table_
std::move(join_algorithm), std::move(join_algorithm),
settings[Setting::max_block_size], settings[Setting::max_block_size],
settings[Setting::max_threads], settings[Setting::max_threads],
outer_scope_columns.empty() ? outer_scope_columns_nonempty : outer_scope_columns, required_columns_after_join,
false /*optimize_read_in_order*/, false /*optimize_read_in_order*/,
true /*optimize_skip_unused_shards*/); true /*optimize_skip_unused_shards*/);
join_step->inner_table_selection_mode = settings[Setting::query_plan_join_inner_table_selection]; join_step->inner_table_selection_mode = settings[Setting::query_plan_join_inner_table_selection];