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harbour-core/harbour/include/ord.ch

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/*
* $Id$
*/
/*
* Harbour Project source code:
* Header file for the RDD API Index Order support
*
* Copyright 2000 {list of individual authors and e-mail addresses}
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#ifndef HB_ORD_CH_
#define HB_ORD_CH_
#define TOPSCOPE 0
#define BOTTOMSCOPE 1
/* SCOPE commands: */
#command SET SCOPETOP TO => OrdScope( 0, nil )
#command SET SCOPETOP TO <x> => OrdScope( 0, <x> )
#command SET SCOPEBOTTOM TO => OrdScope( 1, nil )
#command SET SCOPEBOTTOM TO <x> => OrdScope( 1, <x> )
#command SET SCOPE TO => OrdScope( 0, );
; OrdScope( 1, )
#command SET SCOPE TO <x>, <y> => OrdScope( 0, <x> );
; OrdScope( 1, <y> )
#command SET SCOPE TO <x> => OrdScope( 0, <x> );
; OrdScope( 1, <x> )
#command SET SCOPE TO ,<x> => OrdScope( 1, <x> )
/*
Constants for SELF_ORDINFO ()
Be sure these stay in sync with the same ones in hbapirdd.h
*/
#define DBOI_CONDITION 1 /* Get the order's condition */
#define DBOI_EXPRESSION 2 /* Get the order's expression */
#define DBOI_POSITION 3 /* Get current key position in scope and filter */
#define DBOI_RECNO 4 /* Get current key position disregarding filters */
#define DBOI_NAME 5 /* Get the order's name */
#define DBOI_NUMBER 6 /* Get the order's list position */
#define DBOI_BAGNAME 7 /* Get the order's Bag name */
#define DBOI_BAGEXT 8 /* Get the order's Bag Extension */
#define DBOI_INDEXEXT DBOI_BAGEXT
#define DBOI_INDEXNAME DBOI_BAGNAME
#define DBOI_ORDERCOUNT 9 /* Get the count of ORDERS in an index file or in total */
#define DBOI_FILEHANDLE 10 /* Get the handle of the index file */
#define DBOI_ISCOND 11 /* Does the order have a FOR condition */
#define DBOI_ISDESC 12 /* Is the order DESCENDing */
#define DBOI_UNIQUE 13 /* Does the order have the unique attribute set? */
/* 53-level constants */
#define DBOI_FULLPATH 20 /* Get the order Bag's Full Path */
#define DBOI_KEYTYPE 24 /* Get the type of the order's key */
#define DBOI_KEYSIZE 25 /* Get the size of the order's key */
#define DBOI_KEYCOUNT 26 /* Get the count of keys in scope and filter*/
#define DBOI_SETCODEBLOCK 27 /* Set codeblock for order key */
#define DBOI_KEYDEC 28 /* Get # of decimals in order's key */
#define DBOI_HPLOCKING 29 /* Using High performance index locking? */
#define DBOI_LOCKOFFSET 35 /* New locking offset */
#define DBOI_KEYADD 36 /* Gets/Sets the Key to be added */
#define DBOI_KEYDELETE 37 /* Gets/Sets the Key to be deleted */
#define DBOI_KEYVAL 38 /* Get current key's value */
#define DBOI_SCOPETOP 39 /* Gets/Sets the scope top */
#define DBOI_SCOPEBOTTOM 40 /* Gets/Sets the scope bottom */
#define DBOI_SCOPETOPCLEAR 41 /* Clear the top scope setting */
#define DBOI_SCOPEBOTTOMCLEAR 42 /* Clear the bottom scope setting */
#define DBOI_CUSTOM 45 /* Custom created order */
#define DBOI_SKIPUNIQUE 46 /* Flag for skip unique */
#define DBOI_KEYSINCLUDED 50 /* # of keys included while indexing */
/* keyno */
#define DBOI_KEYGOTO DBOI_POSITION
#define DBOI_KEYNORAW 51 /* keyno ignoring any filter */
#define DBOI_KEYCOUNTRAW 52 /* keycount ignoring any filter */
#define DBOI_OPTLEVEL 53 /* Optimization achieved for last query */
/* Ideally should be an entry point that doesn't require an open table */
#define DBOI_STRICTREAD 60 /* Get/set read thru RDD when indexing */
#define DBOI_OPTIMIZE 61 /* Get/set use of query optimization */
#define DBOI_AUTOOPEN 62 /* Get/set auto open of production index */
#define DBOI_AUTOORDER 63 /* Get/set default order: production index */
#define DBOI_AUTOSHARE 64 /* Get/set automatic sharing control */
/* Return values for DBOI_OPTLEVEL */
#define DBOI_OPTIMIZED_NONE 0
#define DBOI_OPTIMIZED_PART 1
#define DBOI_OPTIMIZED_FULL 2
#endif /* HB_ORD_CH_ */