database/mariadb-columnstore-engine
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chore(rbo,rules,QA): clone now does not copy OB, GB, HAVING and optionally filters.

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This commit is contained in:
drrtuy
2025-08-05 16:00:16 +00:00
parent c19c49ba13
commit 6c75faee88
4 changed files with 96 additions and 109 deletions
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31
dbcon/execplan/calpontselectexecutionplan.cpp
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@@ -967,8 +967,9 @@ execplan::SCSEP CalpontSelectExecutionPlan::cloneWORecursiveSelects()
return newPlan;
}
execplan::SCSEP CalpontSelectExecutionPlan::cloneForTableWORecursiveSelects(
const execplan::CalpontSystemCatalog::TableAliasName& targetTableAlias)
// This clone must return CSEP w/o sub-selects, group by, order by, having limit.
execplan::SCSEP CalpontSelectExecutionPlan::cloneForTableWORecursiveSelectsGbObHaving(
const execplan::CalpontSystemCatalog::TableAliasName& targetTableAlias, const bool withFilters)
{
execplan::SCSEP newPlan(new CalpontSelectExecutionPlan(fLocation));
@@ -991,9 +992,6 @@ execplan::SCSEP CalpontSelectExecutionPlan::cloneForTableWORecursiveSelects(
newPlan->fSubType = fSubType;
newPlan->fDerivedTbAlias = fDerivedTbAlias;
newPlan->fDerivedTbView = fDerivedTbView;
newPlan->fLimitStart = fLimitStart;
newPlan->fLimitNum = fLimitNum;
newPlan->fHasOrderBy = fHasOrderBy;
newPlan->fStringScanThreshold = fStringScanThreshold;
newPlan->fQueryType = fQueryType;
newPlan->fPriority = fPriority;
@@ -1037,34 +1035,13 @@ execplan::SCSEP CalpontSelectExecutionPlan::cloneForTableWORecursiveSelects(
// Deep copy of filters
// WIP only filters that apply to the target table must be left intact
// replace all irrelevant branches with true
if (fFilters)
if (fFilters && withFilters)
{
newPlan->filters(new ParseTree(*fFilters));
}
// Deep copy of filter token list
newPlan->filterTokenList(fFilterTokenList);
newPlan->havingTokenList(fHavingTokenList);
// Deep copy of group by columns
GroupByColumnList newGroupByCols;
for (const auto& col : fGroupByCols)
{
newGroupByCols.push_back(SRCP(col->clone()));
}
newPlan->groupByCols(newGroupByCols);
// Deep copy of having clause
if (fHaving)
newPlan->having(new ParseTree(*fHaving));
// Deep copy of order by columns
OrderByColumnList newOrderByCols;
for (const auto& col : fOrderByCols)
{
newOrderByCols.push_back(SRCP(col->clone()));
}
newPlan->orderByCols(newOrderByCols);
// Deep copy of column map
ColumnMap newColumnMap;