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Merge with MariaDB 5.1

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This commit is contained in:
Michael Widenius
2011-11-24 18:48:58 +02:00
parent e3e60a4102 d26aefb077
commit 6920457142
1136 changed files with 25385 additions and 15098 deletions
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120
sql/sql_parse.cc
View File

@ -1,4 +1,6 @@
/* Copyright (c) 2000, 2010, Oracle and/or its affiliates.
/*
Copyright (c) 2000, 2011, Oracle and/or its affiliates.
Copyright (c) 2008-2011 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
@ -11,7 +13,8 @@
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define MYSQL_LEX 1
#include "mysql_priv.h"
@ -28,6 +31,7 @@
#include "events.h"
#include "sql_trigger.h"
#include "debug_sync.h"
#include <rpl_mi.h>
#ifdef WITH_ARIA_STORAGE_ENGINE
#include "../storage/maria/ha_maria.h"
@ -502,6 +506,8 @@ static void handle_bootstrap_impl(THD *thd)
query= (char *) thd->memdup_w_gap(buff, length + 1,
thd->db_length + 1 +
QUERY_CACHE_FLAGS_SIZE);
size_t db_len= 0;
memcpy(query + length + 1, (char *) &db_len, sizeof(size_t));
thd->set_query(query, length);
DBUG_PRINT("query",("%-.4096s", thd->query()));
#if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER)
@ -1448,6 +1454,14 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
case COM_REFRESH:
{
int not_used;
/*
Initialize thd->lex since it's used in many base functions, such as
open_tables(). Otherwise, it remains unitialized and may cause crash
during execution of COM_REFRESH.
*/
lex_start(thd);
status_var_increment(thd->status_var.com_stat[SQLCOM_FLUSH]);
ulong options= (ulong) (uchar) packet[0];
if (check_global_access(thd,RELOAD_ACL))
@ -1907,13 +1921,30 @@ bool alloc_query(THD *thd, const char *packet, uint packet_length)
pos--;
packet_length--;
}
/* We must allocate some extra memory for query cache */
/* We must allocate some extra memory for query cache
The query buffer layout is:
buffer :==
<statement> The input statement(s)
'\0' Terminating null char (1 byte)
<length> Length of following current database name (size_t)
<db_name> Name of current database
<flags> Flags struct
*/
if (! (query= (char*) thd->memdup_w_gap(packet,
packet_length,
1 + thd->db_length +
1 + sizeof(size_t) + thd->db_length +
QUERY_CACHE_FLAGS_SIZE)))
return TRUE;
query[packet_length]= '\0';
/*
Space to hold the name of the current database is allocated. We
also store this length, in case current database is changed during
execution. We might need to reallocate the 'query' buffer
*/
char *len_pos = (query + packet_length + 1);
memcpy(len_pos, (char *) &thd->db_length, sizeof(size_t));
thd->set_query(query, packet_length);
/* Reclaim some memory */
@ -2610,6 +2641,12 @@ mysql_execute_command(THD *thd)
create_table->table_name))
goto end_with_restore_list;
#endif
/*
If no engine type was given, work out the default now
rather than at parse-time.
*/
if (!(create_info.used_fields & HA_CREATE_USED_ENGINE))
create_info.db_type= ha_default_handlerton(thd);
/*
If we are using SET CHARSET without DEFAULT, add an implicit
DEFAULT to not confuse old users. (This may change).
@ -3964,8 +4001,7 @@ end_with_restore_list:
hostname_requires_resolving(user->host.str))
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_HOSTNAME_WONT_WORK,
ER(ER_WARN_HOSTNAME_WONT_WORK),
user->host.str);
ER(ER_WARN_HOSTNAME_WONT_WORK));
// Are we trying to change a password of another user
DBUG_ASSERT(user->host.str != 0);
if (strcmp(thd->security_ctx->user, user->user.str) ||
@ -5957,7 +5993,7 @@ mysql_new_select(LEX *lex, bool move_down)
lex->nest_level++;
if (lex->nest_level > (int) MAX_SELECT_NESTING)
{
my_error(ER_TOO_HIGH_LEVEL_OF_NESTING_FOR_SELECT,MYF(0),MAX_SELECT_NESTING);
my_error(ER_TOO_HIGH_LEVEL_OF_NESTING_FOR_SELECT, MYF(0));
DBUG_RETURN(1);
}
select_lex->nest_level= lex->nest_level;
@ -7066,9 +7102,9 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
}
#ifdef HAVE_REPLICATION
int rotate_error= 0;
pthread_mutex_lock(&LOCK_active_mi);
pthread_mutex_lock(&active_mi->data_lock);
rotate_error= rotate_relay_log(active_mi);
pthread_mutex_unlock(&LOCK_active_mi);
pthread_mutex_unlock(&active_mi->data_lock);
if (rotate_error)
*write_to_binlog= -1;
#endif
@ -7079,7 +7115,14 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
if (ha_flush_logs(NULL))
result=1;
if (flush_error_log())
result=1;
{
/*
When flush_error_log() failed, my_error() has not been called.
So, we have to do it here to keep the protocol.
*/
my_error(ER_UNKNOWN_ERROR, MYF(0));
result= 1;
}
}
if (((options & (REFRESH_SLOW_QUERY_LOG | REFRESH_LOG)) ==
REFRESH_SLOW_QUERY_LOG))
@ -7135,7 +7178,13 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
return 1; // Killed
if (close_cached_tables(thd, tables, FALSE, (options & REFRESH_FAST) ?
FALSE : TRUE, TRUE))
result= 1;
{
/*
NOTE: my_error() has been already called by reopen_tables() within
close_cached_tables().
*/
result= 1;
}
if (make_global_read_lock_block_commit(thd)) // Killed
{
@ -7148,7 +7197,13 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
{
if (close_cached_tables(thd, tables, FALSE, (options & REFRESH_FAST) ?
FALSE : TRUE, FALSE))
{
/*
NOTE: my_error() has been already called by reopen_tables() within
close_cached_tables().
*/
result= 1;
}
}
my_dbopt_cleanup();
}
@ -7165,26 +7220,33 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
tmp_write_to_binlog= 0;
if (reset_master(thd))
{
result=1;
/* NOTE: my_error() has been already called by reset_master(). */
result= 1;
}
}
#endif
#ifdef OPENSSL
if (options & REFRESH_DES_KEY_FILE)
{
if (des_key_file && load_des_key_file(des_key_file))
result= 1;
}
if (options & REFRESH_DES_KEY_FILE)
{
if (des_key_file && load_des_key_file(des_key_file))
{
/* NOTE: my_error() has been already called by load_des_key_file(). */
result= 1;
}
}
#endif
#ifdef HAVE_REPLICATION
if (options & REFRESH_SLAVE)
{
tmp_write_to_binlog= 0;
pthread_mutex_lock(&LOCK_active_mi);
if (reset_slave(thd, active_mi))
result=1;
pthread_mutex_unlock(&LOCK_active_mi);
}
if (options & REFRESH_SLAVE)
{
tmp_write_to_binlog= 0;
pthread_mutex_lock(&LOCK_active_mi);
if (reset_slave(thd, active_mi))
{
/* NOTE: my_error() has been already called by reset_slave(). */
result= 1;
}
pthread_mutex_unlock(&LOCK_active_mi);
}
#endif
if (options & REFRESH_USER_RESOURCES)
reset_mqh((LEX_USER *) NULL, 0); /* purecov: inspected */
@ -8115,10 +8177,14 @@ bool parse_sql(THD *thd,
mysql_parse_status= MYSQLparse(thd) != 0;
/* Check that if MYSQLparse() failed, thd->is_error() is set. */
/*
Check that if MYSQLparse() failed, thd->is_error() is set (unless
we have an error handler installed, which might have silenced error).
*/
DBUG_ASSERT(!mysql_parse_status ||
(mysql_parse_status && thd->is_error()));
thd->is_error() ||
thd->get_internal_handler());
/* Reset parser state. */