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MXS-1364 Improve collection of arguments to IN

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This commit is contained in:
Johan Wikman
2017-08-22 09:28:31 +03:00
parent 17db8e9705
commit c34140abd8
2 changed files with 82 additions and 46 deletions
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28
query_classifier/qc_sqlite/qc_sqlite.cc
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@ -1045,17 +1045,33 @@ public:
case TK_EXISTS:
case TK_IN:
case TK_SELECT:
if (pExpr->flags & EP_xIsSelect)
{
uint32_t sub_usage = usage;
sub_usage &= ~QC_USED_IN_SELECT;
sub_usage |= QC_USED_IN_SUBSELECT;
update_field_infos_from_subselect(pAliases, pExpr->x.pSelect, sub_usage, pExclude);
}
else
{
update_field_infos_from_exprlist(pAliases, pExpr->x.pList, usage, pExclude);
if (pExpr->flags & EP_xIsSelect)
{
update_field_infos_from_subselect(pAliases, pExpr->x.pSelect,
sub_usage, pExclude);
if (pExpr->op == TK_IN)
{
update_function_info(pAliases, "in",
pExpr->x.pSelect->pEList, sub_usage, pExclude);
}
}
else
{
update_field_infos_from_exprlist(pAliases, pExpr->x.pList, usage, pExclude);
if (pExpr->op == TK_IN)
{
update_function_info(pAliases, "in",
pExpr->x.pList, sub_usage, pExclude);
}
}
}
break;
}