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Diffstat (limited to 'storage/heap/_rectest.c')
-rw-r--r-- | storage/heap/_rectest.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/storage/heap/_rectest.c b/storage/heap/_rectest.c new file mode 100644 index 00000000..f611ad55 --- /dev/null +++ b/storage/heap/_rectest.c @@ -0,0 +1,31 @@ +/* Copyright (c) 2000-2002, 2005-2007 MySQL AB + Use is subject to license terms + + 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 */ + +/* Test if a record has changed since last read */ +/* In heap this is only used when debugging */ + +#include "heapdef.h" + +int hp_rectest(register HP_INFO *info, register const uchar *old) +{ + DBUG_ENTER("hp_rectest"); + + if (memcmp(info->current_ptr,old,(size_t) info->s->reclength)) + { + DBUG_RETURN((my_errno=HA_ERR_RECORD_CHANGED)); /* Record have changed */ + } + DBUG_RETURN(0); +} /* _heap_rectest */ |