diff options
Diffstat (limited to 'sql/sql_class.h')
| -rw-r--r-- | sql/sql_class.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h index e9665959d04..a21917a0814 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -1,6 +1,6 @@ /* - Copyright (c) 2000, 2012, Oracle and/or its affiliates. - Copyright (c) 2009, 2012, Monty Program Ab + Copyright (c) 2000, 2013, Oracle and/or its affiliates. + Copyright (c) 2009, 2013, Monty Program Ab This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -439,6 +439,7 @@ enum killed_type #include "sql_lex.h" /* Must be here */ +extern LEX_STRING sql_statement_names[(uint) SQLCOM_END + 1]; class Delayed_insert; class select_result; class Time_zone; @@ -2839,6 +2840,11 @@ public: */ bool set_db(const char *new_db, size_t new_db_len) { + /* + Acquiring mutex LOCK_thd_data as we either free the memory allocated + for the database and reallocating the memory for the new db or memcpy + the new_db to the db. + */ mysql_mutex_lock(&LOCK_thd_data); /* Do not reallocate memory if current chunk is big enough. */ if (db && new_db && db_length >= new_db_len) |