1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult 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
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#include "ma_fulltext.h"
#include "trnman_public.h"
/**
@brief drops (deletes) a table
@param name table's name
@return Operation status
@retval 0 ok
@retval 1 error
*/
int maria_delete_table(const char *name)
{
MARIA_HA *info;
myf sync_dir;
int got_error= 0, error;
DBUG_ENTER("maria_delete_table");
#ifdef EXTRA_DEBUG
_ma_check_table_is_closed(name,"delete");
#endif
/** @todo LOCK take X-lock on table */
/*
We need to know if this table is transactional.
Unfortunately it is necessary to open the table just to check this. We use
'open_for_repair' to be able to open even a crashed table.
*/
my_errno= 0;
if (!(info= maria_open(name, O_RDONLY,
(HA_OPEN_FOR_DROP | HA_OPEN_FOR_REPAIR), 0)))
{
sync_dir= 0;
/* Ignore not found errors and wrong symlink errors */
if (my_errno != ENOENT && my_errno != HA_WRONG_CREATE_OPTION &&
my_errno != HA_ERR_NO_ENCRYPTION)
got_error= my_errno;
}
else
{
sync_dir= (info->s->now_transactional && !info->s->temporary &&
!maria_in_recovery) ?
MY_SYNC_DIR : 0;
/* Remove history for table */
_ma_reset_state(info);
maria_close(info);
}
if (sync_dir)
{
/*
For this log record to be of any use for Recovery, we need the upper
MySQL layer to be crash-safe in DDLs.
For now this record can serve when we apply logs to a backup, so we sync
it.
*/
LSN lsn;
LEX_CUSTRING log_array[TRANSLOG_INTERNAL_PARTS + 1];
log_array[TRANSLOG_INTERNAL_PARTS + 0].str= (uchar*)name;
log_array[TRANSLOG_INTERNAL_PARTS + 0].length= strlen(name) + 1;
if (unlikely(translog_write_record(&lsn, LOGREC_REDO_DROP_TABLE,
&dummy_transaction_object, NULL,
(translog_size_t)
log_array[TRANSLOG_INTERNAL_PARTS +
0].length,
sizeof(log_array)/sizeof(log_array[0]),
log_array, NULL, NULL) ||
translog_flush(lsn)))
DBUG_RETURN(1);
}
if (!(error= maria_delete_table_files(name, 0, sync_dir | MY_WME)))
error= got_error;
DBUG_RETURN(error);
}
/**
Delete all files related to a aria table
*/
int maria_delete_table_files(const char *name, my_bool temporary, myf flags)
{
int error= 0;
DBUG_ENTER("maria_delete_table_files");
if (mysql_file_delete_with_symlink(key_file_kfile, name, MARIA_NAME_IEXT,
flags))
error= my_errno;
if (mysql_file_delete_with_symlink(key_file_dfile, name, MARIA_NAME_DEXT,
flags))
error= my_errno;
if (!temporary)
{
/* This is delete a possible temporary aria_chk file */
mysql_file_delete_with_symlink(key_file_dfile, name, DATA_TMP_EXT, MYF(0));
#ifdef SUPPORT_ARIA_PACK
/* This is delete a possible temporary aria_pack file */
mysql_file_delete_with_symlink(key_file_dfile, name, ".OLD", MYF(0));
#endif
}
DBUG_RETURN(error);
}
|
