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Merge branch '2.3' into 2.4

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This commit is contained in:
Johan Wikman
2020-01-28 12:28:19 +02:00
parent 39da32dac7 ea2665214f
commit 08e572b139
2 changed files with 17 additions and 2 deletions
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13
query_classifier/qc_sqlite/qc_sqlite.cc
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@ -928,6 +928,7 @@ public:
case TK_BITAND:
case TK_BITOR:
case TK_CASE:
case TK_CAST:
case TK_IN:
case TK_ISNULL:
case TK_MINUS:
@ -1258,6 +1259,11 @@ public:
IGNORE_COMPOUND_SELECTS
};
bool is_significant_union(const Select* pSelect)
{
return ((pSelect->op == TK_UNION) || (pSelect->op == TK_ALL)) && pSelect->pPrior;
}
void update_field_infos_from_select(QcAliases& aliases,
uint32_t context,
const Select* pSelect,
@ -1357,7 +1363,7 @@ public:
if (compound_approach == ANALYZE_COMPOUND_SELECTS)
{
if (((pSelect->op == TK_UNION) || (pSelect->op == TK_ALL)) && pSelect->pPrior)
if (is_significant_union(pSelect))
{
const Select* pPrior = pSelect->pPrior;
@ -2139,7 +2145,7 @@ public:
}
QcAliases aliases;
uint32_t context = (pSelect->op == TK_UNION && pSelect->pPrior) ? QC_FIELD_UNION : 0;
uint32_t context = is_significant_union(pSelect) ? QC_FIELD_UNION : 0;
update_field_infos_from_select(aliases, context, pSelect, NULL);
}
@ -4002,6 +4008,9 @@ static const char* get_token_symbol(int token)
case TK_CASE:
return "case";
case TK_CAST:
return "cast";
case TK_IN:
return "in";