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-rw-r--r--sql/sql_lex.cc12
1 files changed, 7 insertions, 5 deletions
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index b5483c671de..dc0662e11b8 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -4712,12 +4712,14 @@ void st_select_lex::set_explain_type(bool on_the_fly)
/*
pos_in_table_list=NULL for e.g. post-join aggregation JOIN_TABs.
*/
- if (tab->table && tab->table->pos_in_table_list &&
- tab->table->pos_in_table_list->with &&
- tab->table->pos_in_table_list->with->is_recursive)
+ if (!tab->table);
+ else if (const TABLE_LIST *pos= tab->table->pos_in_table_list)
{
- uses_cte= true;
- break;
+ if (pos->with && pos->with->is_recursive)
+ {
+ uses_cte= true;
+ break;
+ }
}
}
if (uses_cte)