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139a73cade
Renamed _hp_func -> hp_func mi_key_cmp moved to /mysys/my_handler.c New tests for HEAP tables heap/_check.c: RB-tree index Renamed _hp_func -> hp_func heap/_rectest.c: RB-tree index Renamed _hp_func -> hp_func heap/heapdef.h: RB-tree index Renamed _hp_func -> hp_func heap/hp_block.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_clear.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_close.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_create.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_delete.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_hash.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_open.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_panic.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rename.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rfirst.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rkey.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rlast.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rnext.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rprev.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rrnd.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rsame.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_scan.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_test1.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_test2.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_update.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_write.c: RB-tree index Renamed _hp_func -> hp_func include/Makefile.am: New include include/heap.h: RB-Tree index include/my_tree.h: new search functions new custom_arg argument include/myisam.h: Removed MI_KEYSEG isam/isamlog.c: Add custom_arg isam/pack_isam.c: Add custom_arg myisam/ft_nlq_search.c: Add custom_arg myisam/ft_parser.c: Add custom_arg myisam/ft_stopwords.c: Add custom_arg myisam/mi_search.c: Remove mi_key_cmp myisam/mi_write.c: Add custom_arg myisam/myisamdef.h: Remove mi_key_cmp myisam/myisamlog.c: Add custom_arg myisam/myisampack.c: Add custom_arg mysys/Makefile.am: New file my_handler.c mysys/tree.c: custom_arg new search functions sql/ha_heap.cc: RBTree sql/ha_myisam.cc: RBTree sql/item_sum.cc: custom_arg sql/sql_analyse.cc: custom_arg sql/sql_class.h: custom_arg sql/sql_table.cc: Remove duplicate code sql/sql_yacc.yy: UNDEF by default sql/table.cc: Remove dirty hack
57 lines
1.8 KiB
C
57 lines
1.8 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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/* re-read current record */
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#include "heapdef.h"
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/* If inx != -1 the new record is read according to index
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(for next/prev). Record must in this case point to last record
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Returncodes:
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0 = Ok.
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HA_ERR_RECORD_DELETED = Record was removed
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HA_ERR_KEY_NOT_FOUND = Record not found with key
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*/
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int heap_rsame(register HP_INFO *info, byte *record, int inx)
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{
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HP_SHARE *share=info->s;
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DBUG_ENTER("heap_rsame");
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test_active(info);
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if (info->current_ptr[share->reclength])
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{
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if (inx < -1 || inx >= (int) share->keys)
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{
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DBUG_RETURN(my_errno=HA_ERR_WRONG_INDEX);
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}
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else if (inx != -1)
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{
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info->lastinx=inx;
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hp_make_key(share->keydef + inx, info->lastkey, record);
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if (!hp_search(info, share->keydef + inx, info->lastkey, 3))
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{
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info->update=0;
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DBUG_RETURN(my_errno);
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}
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}
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memcpy(record,info->current_ptr,(size_t) share->reclength);
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DBUG_RETURN(0);
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}
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info->update=0;
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DBUG_RETURN(my_errno=HA_ERR_RECORD_DELETED);
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}
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