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1b468ca675
Delete .OLD and .TMD files when a MyISAM table is dropped. Same for Aria. sql/sql_db.cc: dead code - *.TMD cannot be deleted from here.
105 lines
3.6 KiB
C
105 lines
3.6 KiB
C
/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include "ma_fulltext.h"
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#include "trnman_public.h"
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/**
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@brief drops (deletes) a table
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@param name table's name
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@return Operation status
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@retval 0 ok
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@retval 1 error
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*/
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int maria_delete_table(const char *name)
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{
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MARIA_HA *info;
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myf sync_dir;
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DBUG_ENTER("maria_delete_table");
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#ifdef EXTRA_DEBUG
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_ma_check_table_is_closed(name,"delete");
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#endif
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/** @todo LOCK take X-lock on table */
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/*
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We need to know if this table is transactional.
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Unfortunately it is necessary to open the table just to check this. We use
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'open_for_repair' to be able to open even a crashed table.
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*/
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if (!(info= maria_open(name, O_RDONLY, HA_OPEN_FOR_REPAIR)))
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{
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sync_dir= 0;
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}
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else
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{
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sync_dir= (info->s->now_transactional && !info->s->temporary &&
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!maria_in_recovery) ?
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MY_SYNC_DIR : 0;
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/* Remove history for table */
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_ma_reset_state(info);
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maria_close(info);
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}
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if (sync_dir)
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{
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/*
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For this log record to be of any use for Recovery, we need the upper
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MySQL layer to be crash-safe in DDLs.
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For now this record can serve when we apply logs to a backup, so we sync
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it.
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*/
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LSN lsn;
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LEX_CUSTRING log_array[TRANSLOG_INTERNAL_PARTS + 1];
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log_array[TRANSLOG_INTERNAL_PARTS + 0].str= (uchar*)name;
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log_array[TRANSLOG_INTERNAL_PARTS + 0].length= strlen(name) + 1;
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if (unlikely(translog_write_record(&lsn, LOGREC_REDO_DROP_TABLE,
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&dummy_transaction_object, NULL,
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(translog_size_t)
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log_array[TRANSLOG_INTERNAL_PARTS +
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0].length,
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sizeof(log_array)/sizeof(log_array[0]),
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log_array, NULL, NULL) ||
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translog_flush(lsn)))
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DBUG_RETURN(1);
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}
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DBUG_RETURN(maria_delete_table_files(name, sync_dir));
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}
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int maria_delete_table_files(const char *name, myf sync_dir)
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{
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char from[FN_REFLEN];
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DBUG_ENTER("maria_delete_table_files");
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fn_format(from,name,"",MARIA_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
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if (mysql_file_delete_with_symlink(key_file_kfile, from,
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MYF(MY_WME | sync_dir)))
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DBUG_RETURN(my_errno);
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fn_format(from,name,"",MARIA_NAME_DEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
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if (mysql_file_delete_with_symlink(key_file_dfile, from,
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MYF(MY_WME | sync_dir)))
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DBUG_RETURN(my_errno);
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// optional files from maria_pack:
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fn_format(from,name,"",".TMD",MY_UNPACK_FILENAME|MY_APPEND_EXT);
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mysql_file_delete_with_symlink(key_file_dfile, from, MYF(0));
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fn_format(from,name,"",".OLD",MY_UNPACK_FILENAME|MY_APPEND_EXT);
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mysql_file_delete_with_symlink(key_file_dfile, from, MYF(0));
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DBUG_RETURN(0);
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}
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