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| author | Sergei Petrunia <psergey@askmonty.org> | 2016-09-07 17:09:29 +0300 |
|---|---|---|
| committer | Sergei Petrunia <psergey@askmonty.org> | 2016-09-07 17:14:30 +0300 |
| commit | 95b8dcbd43a90994b1d0e2e8a1f987a14a51a1cf (patch) | |
| tree | d4bd95346ec4c8bee5e98fbb132f88a939e0c021 /sql/sql_lex.cc | |
| parent | a032fd5c1c3da144e367fe31de415c64ce0fd351 (diff) | |
| download | mariadb-git-95b8dcbd43a90994b1d0e2e8a1f987a14a51a1cf.tar.gz | |
MDEV-10729: Server crashes in st_select_lex::set_explain_type
Make the new (CTE-related) code in set_explain_type to take into
account that some JOIN_TABs are non-merged semi-joins, and do not
have a TABLE object.
Diffstat (limited to 'sql/sql_lex.cc')
| -rw-r--r-- | sql/sql_lex.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index a22d2964fa5..8830f2dc4a9 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -4370,7 +4370,7 @@ void st_select_lex::set_explain_type(bool on_the_fly) for (JOIN_TAB *tab= first_explain_order_tab(join); tab; tab= next_explain_order_tab(join, tab)) { - if (tab->table->pos_in_table_list->with) + if (tab->table && tab->table->pos_in_table_list->with) { uses_cte= true; break; |