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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 12:24:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 12:24:36 +0000 |
commit | 06eaf7232e9a920468c0f8d74dcf2fe8b555501c (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/maria/ma_rrnd.c | |
parent | Initial commit. (diff) | |
download | mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.tar.xz mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/maria/ma_rrnd.c')
-rw-r--r-- | storage/maria/ma_rrnd.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/storage/maria/ma_rrnd.c b/storage/maria/ma_rrnd.c new file mode 100644 index 00000000..b2039e01 --- /dev/null +++ b/storage/maria/ma_rrnd.c @@ -0,0 +1,46 @@ +/* Copyright (C) 2006 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; 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 */ + +/* Read a record with random-access. The position to the record must + get by MARIA_HA. The next record can be read with pos= MARIA_POS_ERROR */ + + +#include "maria_def.h" + +/* + Read a row based on position. + + RETURN + 0 Ok. + HA_ERR_RECORD_DELETED Record is deleted. + HA_ERR_END_OF_FILE EOF. +*/ + +int maria_rrnd(MARIA_HA *info, uchar *buf, MARIA_RECORD_POS filepos) +{ + int ret; + DBUG_ENTER("maria_rrnd"); + + DBUG_ASSERT(filepos != HA_OFFSET_ERROR); + + /* Init all but update-flag */ + info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED); + if (info->opt_flag & WRITE_CACHE_USED && flush_io_cache(&info->rec_cache)) + DBUG_RETURN(my_errno); + + info->cur_row.lastpos= filepos; /* Remember for update */ + ret= (*info->s->read_record)(info, buf, filepos); + DBUG_RETURN(ret); +} |