diff options
Diffstat (limited to 'sql/sql_yacc.yy')
| -rw-r--r-- | sql/sql_yacc.yy | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy index 51fb5dbdfe4..b36c65854d7 100644 --- a/sql/sql_yacc.yy +++ b/sql/sql_yacc.yy @@ -4522,6 +4522,7 @@ select_lock_type: LEX *lex=Lex; lex->current_select->set_lock_for_tables(TL_WRITE); lex->safe_to_cache_query=0; + lex->protect_against_global_read_lock= TRUE; } | LOCK_SYM IN_SYM SHARE_SYM MODE_SYM { @@ -10058,8 +10059,12 @@ table_lock_list: table_lock: table_ident opt_table_alias lock_option { - if (!Select->add_table_to_list(YYTHD, $1, $2, 0, (thr_lock_type) $3)) + thr_lock_type lock_type= (thr_lock_type) $3; + if (!Select->add_table_to_list(YYTHD, $1, $2, 0, lock_type)) MYSQL_YYABORT; + /* If table is to be write locked, protect from a impending GRL. */ + if (lock_type >= TL_WRITE_ALLOW_WRITE) + Lex->protect_against_global_read_lock= TRUE; } ; |