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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_rsamepos.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_rsamepos.c')
-rw-r--r-- | storage/maria/ma_rsamepos.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/storage/maria/ma_rsamepos.c b/storage/maria/ma_rsamepos.c new file mode 100644 index 00000000..092bb50d --- /dev/null +++ b/storage/maria/ma_rsamepos.c @@ -0,0 +1,63 @@ +/* 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 record through position and fix key-position */ +/* As maria_rsame but supply a position */ + +#include "maria_def.h" + + +/* + Read row based on postion + + @param inx If inx >= 0 postion the given index on found row + + @return + @retval 0 Ok + @retval HA_ERR_KEY_NOT_FOUND Row is deleted + @retval HA_ERR_END_OF_FILE End of file +*/ + +int maria_rsame_with_pos(MARIA_HA *info, uchar *record, int inx, + MARIA_RECORD_POS filepos) +{ + DBUG_ENTER("maria_rsame_with_pos"); + DBUG_PRINT("enter",("index: %d filepos: %ld", inx, (long) filepos)); + + if (inx < -1 || + (inx >= 0 && ! maria_is_key_active(info->s->state.key_map, inx))) + { + DBUG_RETURN(my_errno=HA_ERR_WRONG_INDEX); + } + + info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED); + if ((*info->s->read_record)(info, record, filepos)) + { + if (my_errno == HA_ERR_RECORD_DELETED) + my_errno=HA_ERR_KEY_NOT_FOUND; + DBUG_RETURN(my_errno); + } + info->cur_row.lastpos= filepos; + info->lastinx= inx; + if (inx >= 0) + { + (*info->s->keyinfo[inx].make_key)(info, &info->last_key, (uint) inx, + info->lastkey_buff, + record, info->cur_row.lastpos, + info->cur_row.trid); + info->update|=HA_STATE_KEY_CHANGED; /* Don't use indexposition */ + } + DBUG_RETURN(0); +} /* maria_rsame_pos */ |