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Merge pull request #57144 from rschu1ze/disable-reorder-functions-after-sorting

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Allow to disable reorder-functions-after-sorting optimization
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Robert Schulze 2023-11-23 19:38:31 +01:00 committed by GitHub
commit 674159857e
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4 changed files with 6 additions and 1 deletions
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1
src/Core/Settings.h
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@ -685,6 +685,7 @@ class IColumn;
M(Bool, query_plan_enable_optimizations, true, "Apply optimizations to query plan", 0) \
M(UInt64, query_plan_max_optimizations_to_apply, 10000, "Limit the total number of optimizations applied to query plan. If zero, ignored. If limit reached, throw exception", 0) \
M(Bool, query_plan_filter_push_down, true, "Allow to push down filter by predicate query plan step", 0) \
M(Bool, query_plan_execute_functions_after_sorting, true, "Allow to re-order functions after sorting", 0) \
M(Bool, query_plan_optimize_primary_key, true, "Analyze primary key using query plan (instead of AST)", 0) \
M(Bool, query_plan_read_in_order, true, "Use query plan for read-in-order optimisation", 0) \
M(Bool, query_plan_aggregation_in_order, true, "Use query plan for aggregation-in-order optimisation", 0) \

2
src/Processors/QueryPlan/Optimizations/Optimizations.h
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@ -84,7 +84,7 @@ inline const auto & getOptimizations()
{trySplitFilter, "splitFilter", &QueryPlanOptimizationSettings::optimize_plan},
{tryMergeExpressions, "mergeExpressions", &QueryPlanOptimizationSettings::optimize_plan},
{tryPushDownFilter, "pushDownFilter", &QueryPlanOptimizationSettings::filter_push_down},
{tryExecuteFunctionsAfterSorting, "liftUpFunctions", &QueryPlanOptimizationSettings::optimize_plan},
{tryExecuteFunctionsAfterSorting, "liftUpFunctions", &QueryPlanOptimizationSettings::execute_functions_after_sorting},
{tryReuseStorageOrderingForWindowFunctions,
"reuseStorageOrderingForWindowFunctions",
&QueryPlanOptimizationSettings::optimize_plan},

1
src/Processors/QueryPlan/Optimizations/QueryPlanOptimizationSettings.cpp
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@ -11,6 +11,7 @@ QueryPlanOptimizationSettings QueryPlanOptimizationSettings::fromSettings(const
settings.optimize_plan = from.query_plan_enable_optimizations;
settings.max_optimizations_to_apply = from.query_plan_max_optimizations_to_apply;
settings.filter_push_down = from.query_plan_filter_push_down;
settings.execute_functions_after_sorting = from.query_plan_execute_functions_after_sorting;
settings.distinct_in_order = from.optimize_distinct_in_order;
settings.read_in_order = from.optimize_read_in_order && from.query_plan_read_in_order;
settings.aggregation_in_order = from.optimize_aggregation_in_order && from.query_plan_aggregation_in_order;

3
src/Processors/QueryPlan/Optimizations/QueryPlanOptimizationSettings.h
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@ -21,6 +21,9 @@ struct QueryPlanOptimizationSettings
/// If filter push down optimization is enabled.
bool filter_push_down = true;
/// If reorder-functions-after-sorting optimization is enabled.
bool execute_functions_after_sorting;
/// if distinct in order optimization is enabled
bool distinct_in_order = false;