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fix(rbo,rules,QA): SCs in AC->AggC->AC ParseTree are not updated with the corresponding derived table if needed.

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This commit is contained in:
drrtuy
2025-09-02 16:19:06 +00:00
committed by Leonid Fedorov
parent 96fc875255
commit eb1de4b024
1 changed files with 39 additions and 23 deletions
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62
dbcon/rbo/rbo_apply_parallel_ces.cpp
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@@ -25,6 +25,7 @@
#include "rulebased_optimizer.h"
#include "aggregatecolumn.h"
#include "constantcolumn.h"
#include "execplan/calpontselectexecutionplan.h"
#include "execplan/simplecolumn.h"
@@ -521,17 +522,46 @@ void tryToUpdateScToUseRewrittenDerived(
}
}
void extractExtraSCsFromGBOrOB(
optimizer::TableAliasToNewAliasAndSCPositionsMap& tableAliasToSCPositionsMap,
const execplan::CalpontSelectExecutionPlan::GroupByColumnList& groupByOrOrderByCols)
void updateSCsUsingIteration(optimizer::TableAliasToNewAliasAndSCPositionsMap& tableAliasToSCPositionsMap,
std::vector<execplan::SRCP>& rcs, const bool ignoreAgg)
{
for (auto& rc : groupByOrOrderByCols)
for (auto& rc : rcs)
{
rc->setSimpleColumnList();
for (auto* sc : rc->simpleColumnList())
{
tryToUpdateScToUseRewrittenDerived(sc, tableAliasToSCPositionsMap);
}
if (!ignoreAgg && rc->hasAggregate())
{
for (auto* agc : rc->aggColumnList())
{
agc->setSimpleColumnList();
for (auto* sc : agc->simpleColumnList())
{
tryToUpdateScToUseRewrittenDerived(sc, tableAliasToSCPositionsMap);
}
}
}
}
}
void updateSCsUsingWalkers(optimizer::TableAliasToNewAliasAndSCPositionsMap& tableAliasToSCPositionsMap,
execplan::ParseTree* pt)
{
std::vector<execplan::SimpleColumn*> simpleColumns;
pt->walk(execplan::getSimpleCols, &simpleColumns);
for (auto* sc : simpleColumns)
{
tryToUpdateScToUseRewrittenDerived(sc, tableAliasToSCPositionsMap);
}
std::vector<execplan::SimpleColumn*> simpleColumnsFromAgg;
pt->walk(execplan::getAggCols, &simpleColumnsFromAgg);
for (auto* sc : simpleColumnsFromAgg)
{
tryToUpdateScToUseRewrittenDerived(sc, tableAliasToSCPositionsMap);
}
}
@@ -592,11 +622,7 @@ bool applyParallelCES(execplan::CalpontSelectExecutionPlan& csep, optimizer::RBO
{
for (auto& rc : csep.returnedCols())
{
rc->setSimpleColumnList();
for (auto* sc : rc->simpleColumnList())
{
tryToUpdateScToUseRewrittenDerived(sc, tableAliasToSCPositionsMap);
}
updateSCsUsingIteration(tableAliasToSCPositionsMap, csep.returnedCols(), false);
newReturnedColumns.push_back(rc);
}
@@ -607,37 +633,27 @@ bool applyParallelCES(execplan::CalpontSelectExecutionPlan& csep, optimizer::RBO
// 3d pass over GROUP BY columns
if (!csep.groupByCols().empty())
{
extractExtraSCsFromGBOrOB(tableAliasToSCPositionsMap, csep.groupByCols());
updateSCsUsingIteration(tableAliasToSCPositionsMap, csep.groupByCols(), true);
}
// 4th pass over ORDER BY columns
if (!csep.orderByCols().empty())
{
extractExtraSCsFromGBOrOB(tableAliasToSCPositionsMap, csep.orderByCols());
updateSCsUsingIteration(tableAliasToSCPositionsMap, csep.orderByCols(), false);
}
// 5th pass over filters to use derived table SCs in filters
auto filters = csep.filters();
if (filters)
{
std::vector<execplan::SimpleColumn*> simpleColumns;
filters->walk(execplan::getSimpleCols, &simpleColumns);
for (auto* sc : simpleColumns)
{
tryToUpdateScToUseRewrittenDerived(sc, tableAliasToSCPositionsMap);
}
updateSCsUsingWalkers(tableAliasToSCPositionsMap, filters);
}
// 6th pass over filters to use derived table SCs in filters
auto having = csep.having();
if (having)
{
std::vector<execplan::SimpleColumn*> simpleColumns;
having->walk(execplan::getSimpleCols, &simpleColumns);
for (auto* sc : simpleColumns)
{
tryToUpdateScToUseRewrittenDerived(sc, tableAliasToSCPositionsMap);
}
updateSCsUsingWalkers(tableAliasToSCPositionsMap, having);
}
// 6.5 pass: update correlated columns inside EXISTS subqueries