diff options
Diffstat (limited to 'sql/sql_union.cc')
| -rw-r--r-- | sql/sql_union.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc index d6b776571f2..827d75a9848 100644 --- a/sql/sql_union.cc +++ b/sql/sql_union.cc @@ -292,7 +292,9 @@ int st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, { Item_arena *arena= thd->current_arena; Item_arena backup; - if (arena) + if (!arena->is_stmt_prepare()) + arena= 0 + else thd->set_n_backup_item_arena(arena, &backup); Field **field; for (field= table->field; *field; field++) |