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c9aa495fb6
MDEV-19486 and one more similar bug appeared because handler::write_row() interface welcomes to modify buffer by storage engine. But callers are not ready for that thus bugs are possible in future. handler::write_row(): handler::ha_write_row(): make argument const
30 lines
1.3 KiB
C
30 lines
1.3 KiB
C
/* Copyright (c) 2001, 2002, 2004-2007 MySQL AB
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Use is subject to license terms
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
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/* Write a row to a MyISAM MERGE table */
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#include "myrg_def.h"
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int myrg_write(register MYRG_INFO *info, const uchar *rec)
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{
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/* [phi] MERGE_WRITE_DISABLED is handled by the else case */
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if (info->merge_insert_method == MERGE_INSERT_TO_FIRST)
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return mi_write((info->current_table=info->open_tables)->table,rec);
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else if (info->merge_insert_method == MERGE_INSERT_TO_LAST)
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return mi_write((info->current_table=info->end_table-1)->table,rec);
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else /* unsupported insertion method */
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return (my_errno= HA_ERR_WRONG_COMMAND);
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}
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