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  • Committer: Padraig O'Sullivan
  • Date: 2009-09-13 01:03:01 UTC
  • mto: (1126.9.2 captain-20090915-01)
  • mto: This revision was merged to the branch mainline in revision 1133.
  • Revision ID: osullivan.padraig@gmail.com-20090913010301-tcvvezipx1124acy
Added calls to the dtrace delete begin/end probes.

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plugin/myisam/mi_scan.cc
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/* Copyright (C) 2000-2001 MySQL 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 through all rows sequntially */
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#include "myisam_priv.h"
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int mi_scan_init(register MI_INFO *info)
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{
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  info->nextpos=info->s->pack.header_length;    /* Read first record */
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  info->lastinx= -1;                            /* Can't forward or backward */
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  if (info->opt_flag & WRITE_CACHE_USED && flush_io_cache(&info->rec_cache))
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    return(errno);
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  return(0);
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}
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/*
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           Read a row based on position.
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           If filepos= HA_OFFSET_ERROR then read next row
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           Return values
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           Returns one of following values:
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           0 = Ok.
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           HA_ERR_END_OF_FILE = EOF.
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*/
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int mi_scan(MI_INFO *info, unsigned char *buf)
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{
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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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  return((*info->s->read_rnd)(info,buf,info->nextpos,1));
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}