truncate both MYI and MYD files on DELETE FROM table; to avoid warnings on CHECK TABLE (77102d8d) · Commits · Software / OSDI20 Artifacts / mariadb

myisam/mi_delete_all.c

+5 −4

Original line number	Diff line number	Diff line
		@@ -15,7 +15,7 @@
		Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */

		/* Remove all rows from a MyISAM table */
		/* This only clears the status information and truncates the data file */
		/* This clears the status information and truncates files */

		#include "myisamdef.h"

		@@ -49,14 +49,15 @@ int mi_delete_all_rows(MI_INFO *info)
		state->key_root[i]= HA_OFFSET_ERROR;

		myisam_log_command(MI_LOG_DELETE_ALL,info,(byte*) 0,0,0);
		VOID(_mi_writeinfo(info,WRITEINFO_UPDATE_KEYFILE));
		if (my_chsize(info->dfile, 0, 0, MYF(MY_WME)))
		goto err;
		/*
		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->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);