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MDEV-22019: Sig 11 in next_breadth_first_tab | max_sort_length setting + double GROUP BY leads to crash

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No need to create a temp table for aggregation if we have encountered some error.
This commit is contained in:
Varun Gupta
2020-03-30 08:03:54 +05:30
parent 0b00c1a22f
commit b11ff3d495
4 changed files with 40 additions and 6 deletions
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7
sql/sql_show.cc
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@ -8299,7 +8299,6 @@ end:
bool optimize_schema_tables_reads(JOIN *join)
{
THD *thd= join->thd;
bool result= 0;
DBUG_ENTER("optimize_schema_tables_reads");
JOIN_TAB *tab;
@ -8334,11 +8333,11 @@ bool optimize_schema_tables_reads(JOIN *join)
*/
cond= tab->cache_select->cond;
}
optimize_for_get_all_tables(thd, table_list, cond);
if (optimize_for_get_all_tables(thd, table_list, cond))
DBUG_RETURN(TRUE); // Handle OOM
}
}
DBUG_RETURN(result);
DBUG_RETURN(FALSE);
}