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71a5af5b52
Added ORDER BY optimization Docs/manual.texi: Added ORDER BY optimisation section heap/_check.c: Cleanup heap/heapdef.h: Added support of null keys in HEAP tables heap/hp_hash.c: Added support of null keys in HEAP tables heap/hp_open.c: Added support of null keys in HEAP tables heap/hp_test2.c: Added support of null keys in HEAP tables heap/hp_write.c: Added support of null keys in HEAP tables include/heap.h: Added support of null keys in HEAP tables include/my_base.h: Support for hash algoritm isam/static.c: Cleanup myisam/mi_static.c: Cleanup sql/Makefile.am: Rename innobase -> innodb sql/ha_berkeley.cc: Added ORDER BY optimization sql/ha_berkeley.h: Added ORDER BY optimization sql/ha_heap.cc: Added support for NULL keys sql/ha_heap.h: Added support for NULL keys sql/ha_isam.cc: Added ORDER BY optimization sql/ha_isam.h: Added ORDER BY optimization sql/ha_isammrg.h: Added ORDER BY optimization sql/ha_myisam.cc: Added ORDER BY optimization sql/ha_myisam.h: Added ORDER BY optimization sql/ha_myisammrg.cc: Added ORDER BY optimization sql/ha_myisammrg.h: Added ORDER BY optimization sql/handler.cc: Rename innobase -> innodb sql/handler.h: Rename innobase -> innodb sql/ha_innodb.cc: Rename innobase -> innodb sql/ha_innodb.h: Rename innobase -> innodb sql/mysqld.cc: Rename innobase -> innodb sql/sql_delete.cc: Rename innobase -> innodb sql/sql_select.cc: Added ORDER BY optimization sql/sql_select.h: Added ORDER BY optimization
45 lines
1.6 KiB
C
45 lines
1.6 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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/*
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Static variables for ISAM library. All definied here for easy making of
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a shared library
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*/
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#ifndef _global_h
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#include "isamdef.h"
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#endif
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LIST *nisam_open_list=0;
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uchar NEAR nisam_file_magic[]=
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{ (uchar) 254, (uchar) 254,'\005', '\002', };
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uchar NEAR nisam_pack_file_magic[]=
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{ (uchar) 254, (uchar) 254,'\006', '\001', };
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my_string nisam_log_filename= (char*) "isam.log";
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File nisam_log_file= -1;
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uint nisam_quick_table_bits=9;
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uint nisam_block_size=1024; /* Best by test */
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my_bool nisam_flush=0;
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/* read_vec[] is used for converting between P_READ_KEY.. and SEARCH_ */
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/* Position is , == , >= , <= , > , < */
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uint NEAR nisam_read_vec[]=
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{
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SEARCH_FIND, SEARCH_FIND | SEARCH_BIGGER, SEARCH_FIND | SEARCH_SMALLER,
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SEARCH_NO_FIND | SEARCH_BIGGER, SEARCH_NO_FIND | SEARCH_SMALLER,
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SEARCH_FIND, SEARCH_LAST
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};
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