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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2F'>mariadb-11.7.2</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fstorage%2F'>storage</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fstorage%2Fmyisammrg%2F'>myisammrg</a>/</p><hr><h3>✏️ Editing: myrg_rnext.c</h3>  
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            <textarea name='content' rows='20'>/* Copyright (c) 2000-2003, 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 */

#include &quot;myrg_def.h&quot;

	/*
	   Read next row with the same key as previous read
	*/

int myrg_rnext(MYRG_INFO *info, uchar *buf, int inx)
{
  int err;
  MI_INFO *mi;

  if (!info-&gt;current_table)
    return (HA_ERR_KEY_NOT_FOUND);

  /* at first, do rnext for the table found before */
  if ((err=mi_rnext(info-&gt;current_table-&gt;table,NULL,inx)))
  {
    if (err == HA_ERR_END_OF_FILE)
    {
      queue_remove_top(&amp;(info-&gt;by_key));
      if (!info-&gt;by_key.elements)
        return HA_ERR_END_OF_FILE;
    }
    else
      return err;
  }
  else
  {
    /* Found here, adding to queue */
    queue_top(&amp;(info-&gt;by_key))=(uchar *)(info-&gt;current_table);
    queue_replace_top(&amp;(info-&gt;by_key));
  }

  /* now, mymerge&#039;s read_next is as simple as one queue_top */
  mi=(info-&gt;current_table=(MYRG_TABLE *)queue_top(&amp;(info-&gt;by_key)))-&gt;table;
  return _myrg_mi_read_record(mi,buf);
}
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