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feat(rbo,rules,QA): filtered RC clone for UNION units.

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drrtuy
2025-07-26 10:29:50 +00:00
parent 2f9fec8057
commit b07ee73fb3
6 changed files with 114 additions and 65 deletions
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10
dbcon/mysql/ha_mcs_execplan.cpp
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@@ -6307,7 +6307,15 @@ void extractColumnStatistics(Item_field* ifp, gp_walk_info& gwi)
if (histogram)
{
SchemaAndTableName tableName = {ifp->field->table->s->db.str, ifp->field->table->s->table_name.str};
gwi.tableStatisticsMap[tableName][ifp->field->field_name.str] = *histogram;
auto tableStatisticsMapIt = gwi.tableStatisticsMap.find(tableName);
if (tableStatisticsMapIt == gwi.tableStatisticsMap.end())
{
gwi.tableStatisticsMap.insert({tableName, {{ifp->field->field_name.str, *histogram}}});
}
else
{
tableStatisticsMapIt->second.insert({ifp->field->field_name.str, *histogram});
}
}
}
}