diff options
Diffstat (limited to 'myisam/mi_delete_all.c')
| -rw-r--r-- | myisam/mi_delete_all.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/myisam/mi_delete_all.c b/myisam/mi_delete_all.c deleted file mode 100644 index 3033249886f..00000000000 --- a/myisam/mi_delete_all.c +++ /dev/null @@ -1,72 +0,0 @@ -/* Copyright (C) 2000 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; either version 2 of the License, or - (at your option) any later version. - - 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* Remove all rows from a MyISAM table */ -/* This clears the status information and truncates files */ - -#include "myisamdef.h" - -int mi_delete_all_rows(MI_INFO *info) -{ - uint i; - MYISAM_SHARE *share=info->s; - MI_STATE_INFO *state=&share->state; - DBUG_ENTER("mi_delete_all_rows"); - - if (share->options & HA_OPTION_READ_ONLY_DATA) - { - DBUG_RETURN(my_errno=EACCES); - } - if (_mi_readinfo(info,F_WRLCK,1)) - DBUG_RETURN(my_errno); - if (_mi_mark_file_changed(info)) - goto err; - - info->state->records=info->state->del=state->split=0; - state->dellink = HA_OFFSET_ERROR; - state->sortkey= (ushort) ~0; - info->state->key_file_length=share->base.keystart; - info->state->data_file_length=0; - info->state->empty=info->state->key_empty=0; - state->checksum=0; - - for (i=share->base.max_key_block_length/MI_MIN_KEY_BLOCK_LENGTH ; i-- ; ) - state->key_del[i]= HA_OFFSET_ERROR; - for (i=0 ; i < share->base.keys ; i++) - state->key_root[i]= HA_OFFSET_ERROR; - - myisam_log_command(MI_LOG_DELETE_ALL,info,(byte*) 0,0,0); - /* - If we are using delayed keys or if the user has done changes to the tables - since it was locked then there may be key blocks in the key cache - */ - flush_key_blocks(share->key_cache, share->kfile, FLUSH_IGNORE_CHANGED); - if (my_chsize(info->dfile, 0, 0, MYF(MY_WME)) || - my_chsize(share->kfile, share->base.keystart, 0, MYF(MY_WME)) ) - goto err; - VOID(_mi_writeinfo(info,WRITEINFO_UPDATE_KEYFILE)); - allow_break(); /* Allow SIGHUP & SIGINT */ - DBUG_RETURN(0); - -err: - { - int save_errno=my_errno; - VOID(_mi_writeinfo(info,WRITEINFO_UPDATE_KEYFILE)); - info->update|=HA_STATE_WRITTEN; /* Buffer changed */ - allow_break(); /* Allow SIGHUP & SIGINT */ - DBUG_RETURN(my_errno=save_errno); - } -} /* mi_delete */ |