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feat(rbo,rules,QA): changed to way statistics is collected

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This commit is contained in:
drrtuy
2025-07-30 22:36:03 +00:00
parent da09a1b5d0
commit 112ba9f162
2 changed files with 44 additions and 5 deletions
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13
dbcon/mysql/rbo_apply_parallel_ces.cpp
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@@ -64,7 +64,7 @@ bool someAreForeignTables(execplan::CalpontSelectExecutionPlan& csep)
[](const auto& table) { return !table.isColumnstore(); });
}
bool someForeignTablesHasIndex(execplan::CalpontSelectExecutionPlan& csep, optimizer::RBOptimizerContext& ctx)
bool someForeignTablesHasStatisticsAndMbIndex(execplan::CalpontSelectExecutionPlan& csep, optimizer::RBOptimizerContext& ctx)
{
return std::any_of(
csep.tableList().begin(), csep.tableList().end(),
@@ -83,7 +83,7 @@ bool parallelCESFilter(execplan::CalpontSelectExecutionPlan& csep, optimizer::RB
// TODO filter out CSEPs with orderBy, groupBy, having
// Filter out tables that were re-written.
// return tables.size() == 1 && !tables[0].isColumnstore() && !tableIsInUnion(tables[0], csep);
return someAreForeignTables(csep) && someForeignTablesHasIndex(csep, ctx);
return someAreForeignTables(csep) && someForeignTablesHasStatisticsAndMbIndex(csep, ctx);
}
// This routine produces a new ParseTree that is AND(lowerBand <= column, column <= upperBand)
@@ -210,6 +210,15 @@ std::optional<FilterRangeBounds<T>> populateRangeBounds(execplan::SimpleColumn*
T currentUpperBound = *(uint32_t*)endBucket->start_value.data();
bounds.push_back({currentLowerBound, currentUpperBound});
}
for (auto& bucket : columnStatistics.get_json_histogram())
{
T currentLowerBound = *(uint32_t*)bucket.start_value.data();
std::cout << "Bucket: " << currentLowerBound << std::endl;
}
// auto penultimateBucket = columnStatistics.get_json_histogram().begin() + numberOfUnionUnits * numberOfBucketsPerUnionUnit;
// T currentLowerBound = *(uint32_t*)penultimateBucket->start_value.data();
// T currentUpperBound = *(uint32_t*)columnStatistics.get_last_bucket_end_endp().data();
// bounds.push_back({currentLowerBound, currentUpperBound});
for (auto& bound : bounds)
{