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Code Issues

Fixed cardinality mistake for invariant booleans

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This commit is contained in:
Dmitry Yemanov 2024-11-12 19:26:52 +03:00
parent 01c64fe102
commit b4a85b61a7
2 changed files with 9 additions and 5 deletions
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10
src/jrd/recsrc/FilteredStream.cpp
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@ -50,9 +50,13 @@ FilteredStream::FilteredStream(CompilerScratch* csb, RecordSource* next,
m_impure = csb->allocImpure<Impure>();
const auto cardinality = next->getCardinality();
Optimizer::adjustSelectivity(selectivity, MAXIMUM_SELECTIVITY, cardinality);
m_cardinality = cardinality * selectivity;
auto cardinality = next->getCardinality();
if (selectivity)
{
Optimizer::adjustSelectivity(selectivity, MAXIMUM_SELECTIVITY, cardinality);
cardinality *= selectivity;
}
m_cardinality = cardinality;
}
void FilteredStream::internalOpen(thread_db* tdbb) const

4
src/jrd/recsrc/RecordSource.h
View File

@ -575,7 +575,7 @@ namespace Jrd
{
public:
FilteredStream(CompilerScratch* csb, RecordSource* next,
BoolExprNode* boolean, double selectivity);
BoolExprNode* boolean, double selectivity = 0);
void close(thread_db* tdbb) const override;
@ -623,7 +623,7 @@ namespace Jrd
public:
PreFilteredStream(CompilerScratch* csb, RecordSource* next,
BoolExprNode* boolean)
: FilteredStream(csb, next, boolean, next->getCardinality())
: FilteredStream(csb, next, boolean)
{
m_invariant = true;
}