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MDEV-23804: Server crashes in st_select_lex::collect_grouping_fields_for_derived

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The issue here was we were trying to push an extracted condition for a view into the
underlying table value constructor inside the view.
The fix would be to not push conditions into table value constructors.
This commit is contained in:
Varun Gupta
2021-01-12 11:50:31 +05:30
parent fd5e103aa4
commit ffc384e044
1 changed files with 2 additions and 0 deletions
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sql/sql_derived.cc
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@ -1453,6 +1453,8 @@ bool pushdown_cond_for_derived(THD *thd, Item *cond, TABLE_LIST *derived)
for (; sl; sl= sl->next_select())
{
Item *extracted_cond_copy;
if (!sl->cond_pushdown_is_allowed())
continue;
/*
For each select of the unit except the last one
create a clone of extracted_cond