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35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/* Copyright (C) 2000 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; either version 2 of the License, or
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(at your option) any later version.
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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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/* Check if somebody has changed table since last check. */
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#include "isamdef.h"
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/* Return 0 if table isn't changed */
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int nisam_is_changed(N_INFO *info)
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{
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int result;
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DBUG_ENTER("nisam_is_changed");
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#ifndef NO_LOCKING
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if (_nisam_readinfo(info,F_RDLCK,1)) DBUG_RETURN(-1);
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VOID(_nisam_writeinfo(info,0));
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#endif
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result=(int) info->data_changed;
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info->data_changed=0;
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DBUG_PRINT("exit",("result: %d",result));
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DBUG_RETURN(result);
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}
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