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118 lines
3.8 KiB
C
118 lines
3.8 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 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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int got_error= 0, error;
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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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my_errno= 0;
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if (!(info= maria_open(name, O_RDONLY,
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(HA_OPEN_FOR_DROP | HA_OPEN_FOR_REPAIR), 0)))
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{
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sync_dir= 0;
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/* Ignore not found errors and wrong symlink errors */
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if (my_errno != ENOENT && my_errno != HA_WRONG_CREATE_OPTION &&
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my_errno != HA_ERR_NO_ENCRYPTION)
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got_error= my_errno;
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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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if (!(error= maria_delete_table_files(name, 0, sync_dir | MY_WME)))
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error= got_error;
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DBUG_RETURN(error);
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}
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/**
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Delete all files related to a aria table
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*/
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int maria_delete_table_files(const char *name, my_bool temporary, myf flags)
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{
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int error= 0;
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DBUG_ENTER("maria_delete_table_files");
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if (mysql_file_delete_with_symlink(key_file_kfile, name, MARIA_NAME_IEXT,
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flags))
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error= my_errno;
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if (mysql_file_delete_with_symlink(key_file_dfile, name, MARIA_NAME_DEXT,
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flags))
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error= my_errno;
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if (!temporary)
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{
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/* This is delete a possible temporary aria_chk file */
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mysql_file_delete_with_symlink(key_file_dfile, name, DATA_TMP_EXT, MYF(0));
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#ifdef SUPPORT_ARIA_PACK
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/* This is delete a possible temporary aria_pack file */
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mysql_file_delete_with_symlink(key_file_dfile, name, ".OLD", MYF(0));
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#endif
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}
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DBUG_RETURN(error);
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}
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