diff options
Diffstat (limited to 'sql/sql_lex.h')
-rw-r--r-- | sql/sql_lex.h | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h index 5710c990855..f0241a32acf 100644 --- a/sql/sql_lex.h +++ b/sql/sql_lex.h @@ -3078,21 +3078,24 @@ public: { safe_to_cache_query= 0; - /* - There are no sense to mark select_lex and union fields of LEX, - but we should merk all subselects as uncacheable from current till - most upper - */ - SELECT_LEX *sl; - SELECT_LEX_UNIT *un; - for (sl= current_select, un= sl->master_unit(); - un != &unit; - sl= sl->outer_select(), un= sl->master_unit()) + if (current_select) // initialisation SP variables has no SELECT { - sl->uncacheable|= cause; - un->uncacheable|= cause; + /* + There are no sense to mark select_lex and union fields of LEX, + but we should merk all subselects as uncacheable from current till + most upper + */ + SELECT_LEX *sl; + SELECT_LEX_UNIT *un; + for (sl= current_select, un= sl->master_unit(); + un != &unit; + sl= sl->outer_select(), un= sl->master_unit()) + { + sl->uncacheable|= cause; + un->uncacheable|= cause; + } + select_lex.uncacheable|= cause; } - select_lex.uncacheable|= cause; } void set_trg_event_type_for_tables(); |