mirror of
https://github.com/MariaDB/server.git
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13ba0dd286
fix: don't call field->val_decimal() if the field->is_null() because the buffer at field->ptr might not hold a valid decimal value sql/item_sum.cc: do not call field->val_decimal() if the field->is_null() storage/maria/ma_blockrec.c: cleanup storage/maria/ma_rrnd.c: cleanup strings/decimal.c: typo
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* Read a record with random-access. The position to the record must
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get by MARIA_HA. The next record can be read with pos= MARIA_POS_ERROR */
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#include "maria_def.h"
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/*
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Read a row based on position.
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RETURN
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0 Ok.
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HA_ERR_RECORD_DELETED Record is deleted.
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HA_ERR_END_OF_FILE EOF.
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*/
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int maria_rrnd(MARIA_HA *info, uchar *buf, MARIA_RECORD_POS filepos)
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{
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int ret;
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DBUG_ENTER("maria_rrnd");
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DBUG_ASSERT(filepos != HA_OFFSET_ERROR);
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/* Init all but update-flag */
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info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
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if (info->opt_flag & WRITE_CACHE_USED && flush_io_cache(&info->rec_cache))
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DBUG_RETURN(my_errno);
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info->cur_row.lastpos= filepos; /* Remember for update */
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ret= (*info->s->read_record)(info, buf, filepos);
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DBUG_RETURN(ret);
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}
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