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f5ea301acc
This makes the keys smaller (no row pointer) and gives us proper errors if we use the table wrongly. sql/sql_select.cc: Use NO_RECORD for tables that doesn't need row data. storage/maria/Makefile.am: Added ma_norec.c storage/maria/ma_check.c: Added support for NO_RECORD record format (don't store any row data) storage/maria/ma_norec.c: Added support for NO_RECORD record format storage/maria/ma_open.c: Added support for NO_RECORD record format storage/maria/ma_search.c: Added support for 0 size row pointers (used with NO_RECORD) storage/maria/ma_test1.c: Added testing of NO_RECORD record format. storage/maria/maria_chk.c: Added support for NO_RECORD storage/maria/maria_def.h: Added support for NO_RECORD storage/maria/unittest/ma_test_all-t: Added testing of NO_RECORD record format
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/* Copyright (C) 2010 Monty Program 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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/*
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Functions to handle tables with no row data (only index)
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This is useful when you just want to do key reads or want to use
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the index to check against duplicates.
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*/
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#include "maria_def.h"
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my_bool _ma_write_no_record(MARIA_HA *info __attribute__((unused)),
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const uchar *record __attribute__((unused)))
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{
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return 0;
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}
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my_bool _ma_update_no_record(MARIA_HA *info __attribute__((unused)),
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MARIA_RECORD_POS pos __attribute__((unused)),
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const uchar *oldrec __attribute__((unused)),
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const uchar *record __attribute__((unused)))
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{
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return HA_ERR_WRONG_COMMAND;
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}
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my_bool _ma_delete_no_record(MARIA_HA *info __attribute__((unused)),
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const uchar *record __attribute__((unused)))
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{
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return HA_ERR_WRONG_COMMAND;
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}
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int _ma_read_no_record(MARIA_HA *info __attribute__((unused)),
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uchar *record __attribute__((unused)),
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MARIA_RECORD_POS pos __attribute__((unused)))
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{
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return HA_ERR_WRONG_COMMAND;
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}
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int _ma_read_rnd_no_record(MARIA_HA *info __attribute__((unused)),
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uchar *buf __attribute__((unused)),
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MARIA_RECORD_POS filepos __attribute__((unused)),
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my_bool skip_deleted_blocks __attribute__((unused)))
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{
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return HA_ERR_WRONG_COMMAND;
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}
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my_off_t _ma_no_keypos_to_recpos(MARIA_SHARE *share __attribute__ ((unused)),
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my_off_t pos __attribute__ ((unused)))
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{
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return 0;
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}
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