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5.5 merge

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This commit is contained in:
Sergei Golubchik
2013-11-23 00:50:54 +01:00
parent 2c032b990e eea310e498
commit c6d30805db
1275 changed files with 80717 additions and 55003 deletions
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8
sql/sql_class.h
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@ -1,5 +1,5 @@
/*
Copyright (c) 2000, 2012, Oracle and/or its affiliates.
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
@ -444,6 +444,7 @@ 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;
@ -3065,6 +3066,11 @@ 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)