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This commit is contained in:
Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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112
dbcon/mysql/ha_select_sub.cpp
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@ -17,10 +17,10 @@
MA 02110-1301, USA. */
/***********************************************************************
* $Id: ha_select_sub.cpp 9210 2013-01-21 14:10:42Z rdempsey $
*
*
***********************************************************************/
* $Id: ha_select_sub.cpp 9210 2013-01-21 14:10:42Z rdempsey $
*
*
***********************************************************************/
/** class SelectSubQuery definition */
//#define NDEBUG
@ -47,70 +47,72 @@ using namespace logging;
namespace cal_impl_if
{
SelectSubQuery::SelectSubQuery(gp_walk_info& gwip) : SubQuery(gwip), fSelSub (NULL)
{}
SelectSubQuery::SelectSubQuery(gp_walk_info& gwip) : SubQuery(gwip), fSelSub(NULL)
{
}
SelectSubQuery::SelectSubQuery(gp_walk_info& gwip, Item_subselect* selSub) :
SubQuery(gwip),
fSelSub(selSub)
{}
SelectSubQuery::SelectSubQuery(gp_walk_info& gwip, Item_subselect* selSub) : SubQuery(gwip), fSelSub(selSub)
{
}
SelectSubQuery::~SelectSubQuery()
{}
{
}
SCSEP SelectSubQuery::transform()
{
idbassert(fSelSub);
SCSEP csep(new CalpontSelectExecutionPlan());
csep->sessionID(fGwip.sessionid);
csep->subType (CalpontSelectExecutionPlan::SELECT_SUBS);
idbassert(fSelSub);
SCSEP csep(new CalpontSelectExecutionPlan());
csep->sessionID(fGwip.sessionid);
csep->subType(CalpontSelectExecutionPlan::SELECT_SUBS);
// gwi for the sub query
gp_walk_info gwi;
gwi.thd = fGwip.thd;
gwi.subQuery = this;
// gwi for the sub query
gp_walk_info gwi;
gwi.thd = fGwip.thd;
gwi.subQuery = this;
// @4632 merge table list to gwi in case there is FROM sub to be referenced
// in the SELECT sub
gwi.derivedTbCnt = fGwip.derivedTbList.size();
uint32_t tbCnt = fGwip.tbList.size();
// @4632 merge table list to gwi in case there is FROM sub to be referenced
// in the SELECT sub
gwi.derivedTbCnt = fGwip.derivedTbList.size();
uint32_t tbCnt = fGwip.tbList.size();
gwi.tbList.insert(gwi.tbList.begin(), fGwip.tbList.begin(), fGwip.tbList.end());
gwi.derivedTbList.insert(gwi.derivedTbList.begin(), fGwip.derivedTbList.begin(), fGwip.derivedTbList.end());
gwi.tbList.insert(gwi.tbList.begin(), fGwip.tbList.begin(), fGwip.tbList.end());
gwi.derivedTbList.insert(gwi.derivedTbList.begin(), fGwip.derivedTbList.begin(), fGwip.derivedTbList.end());
if (getSelectPlan(gwi, *(fSelSub->get_select_lex()), csep, false) != 0)
if (getSelectPlan(gwi, *(fSelSub->get_select_lex()), csep, false) != 0)
{
if (!gwi.fatalParseError)
{
if (!gwi.fatalParseError)
{
fGwip.fatalParseError = true;
fGwip.parseErrorText = "Error occured in SelectSubQuery::transform()";
}
else
{
fGwip.fatalParseError = gwi.fatalParseError;
fGwip.parseErrorText = gwi.parseErrorText;
}
csep.reset();
return csep;
fGwip.fatalParseError = true;
fGwip.parseErrorText = "Error occured in SelectSubQuery::transform()";
}
else
{
fGwip.fatalParseError = gwi.fatalParseError;
fGwip.parseErrorText = gwi.parseErrorText;
}
fGwip.subselectList.push_back(csep);
// remove outer query tables
CalpontSelectExecutionPlan::TableList tblist;
if (csep->tableList().size() >= tbCnt)
tblist.insert(tblist.begin(), csep->tableList().begin() + tbCnt, csep->tableList().end());
CalpontSelectExecutionPlan::SelectList derivedTbList;
if (csep->derivedTableList().size() >= gwi.derivedTbCnt)
derivedTbList.insert(derivedTbList.begin(), csep->derivedTableList().begin() + gwi.derivedTbCnt, csep->derivedTableList().end());
csep->tableList(tblist);
csep->derivedTableList(derivedTbList);
csep.reset();
return csep;
}
fGwip.subselectList.push_back(csep);
// remove outer query tables
CalpontSelectExecutionPlan::TableList tblist;
if (csep->tableList().size() >= tbCnt)
tblist.insert(tblist.begin(), csep->tableList().begin() + tbCnt, csep->tableList().end());
CalpontSelectExecutionPlan::SelectList derivedTbList;
if (csep->derivedTableList().size() >= gwi.derivedTbCnt)
derivedTbList.insert(derivedTbList.begin(), csep->derivedTableList().begin() + gwi.derivedTbCnt,
csep->derivedTableList().end());
csep->tableList(tblist);
csep->derivedTableList(derivedTbList);
return csep;
}
}
} // namespace cal_impl_if