database/mariadb-columnstore-engine
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feat(rbo,rules): refactored statistics storage in gwi and implemented statistics based UNION rewrite.

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drrtuy
2025-07-17 15:37:20 +00:00
parent 67295b4320
commit 15be33fbc5
6 changed files with 122 additions and 46 deletions
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dbcon/mysql/ha_select_sub.cpp
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@@ -97,7 +97,7 @@ SCSEP SelectSubQuery::transform()
}
// Insert column statistics
fGwip.mergeColumnStatisticsMap(gwi.columnStatisticsMap);
fGwip.mergeTableStatistics(gwi.tableStatisticsMap);
// std::cout << "fGwip.columnStatisticsMap 2 size " << fGwip.columnStatisticsMap.size() << std::endl;
// std::cout << "gwi.columnStatisticsMap 2 size " << gwi.columnStatisticsMap.size() << std::endl;