166 lines
8.7 KiB
Plaintext
166 lines
8.7 KiB
Plaintext
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Header file for the RDD API Index OrderInfo and DBInfo support
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*
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* Copyright 2000 {list of individual authors and e-mail addresses}
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* www - http://www.harbour-project.org
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*
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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, or (at your option)
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* any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#ifndef HB_DBINFO_CH_
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#define HB_DBINFO_CH_
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/*
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Constants for SELF_ORDINFO ()
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*/
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#define DBOI_CONDITION 1 /* The order's conditional expression */
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#define DBOI_EXPRESSION 2 /* The order's key expression */
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#define DBOI_POSITION 3 /* The current key position in scope and filter */
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#define DBOI_RECNO 4 /* The current key position disregarding filters */
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#define DBOI_NAME 5 /* The name of the order */
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#define DBOI_NUMBER 6 /* The numeric position in the list of orders */
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#define DBOI_BAGNAME 7 /* The name of the file containing this order */
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#define DBOI_BAGEXT 8 /* The extension of the file containing this order */
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#define DBOI_INDEXEXT DBOI_BAGEXT
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#define DBOI_INDEXNAME DBOI_BAGNAME
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#define DBOI_ORDERCOUNT 9 /* The count of ORDERS contained in an index file or in total */
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#define DBOI_FILEHANDLE 10 /* The OS file handle of the index */
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#define DBOI_ISCOND 11 /* Does the order have a FOR condition? */
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#define DBOI_ISDESC 12 /* Is the order DESCENDing? */
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#define DBOI_UNIQUE 13 /* Does the order have the UNIQUE attribute? */
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/* 53-level constants */
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#define DBOI_FULLPATH 20 /* The full path to the index file (Bag) */
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#define DBOI_KEYTYPE 24 /* The type of the order's key */
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#define DBOI_KEYSIZE 25 /* The length of the order's key */
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#define DBOI_KEYCOUNT 26 /* The count of keys in scope and filter */
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#define DBOI_SETCODEBLOCK 27 /* The codeblock that produces the key */
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#define DBOI_KEYDEC 28 /* The # of decimals in a numeric key */
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#define DBOI_HPLOCKING 29 /* Using High Performance locking for this order? */
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#define DBOI_LOCKOFFSET 35 /* The offset used for logical locking */
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#define DBOI_KEYADD 36 /* Custom Index: Was Key added successfully? */
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#define DBOI_KEYDELETE 37 /* Custom Index: Was Key Deletion successful? */
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#define DBOI_KEYVAL 38 /* The value of the current key */
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#define DBOI_SCOPETOP 39 /* Get or Set the scope top */
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#define DBOI_SCOPEBOTTOM 40 /* Get or Set the scope botto */
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#define DBOI_SCOPETOPCLEAR 41 /* Clear the scope top */
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#define DBOI_SCOPEBOTTOMCLEAR 42 /* Clear the scope bottom */
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#define DBOI_CUSTOM 45 /* Is this a Custom Index? */
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#define DBOI_SKIPUNIQUE 46 /* Was a skip to adjacent unique Key successful? */
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#define DBOI_KEYSINCLUDED 50 /* Number of keys in the index order */
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/* key numbers and counts */
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#define DBOI_KEYGOTO DBOI_POSITION
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#define DBOI_KEYNORAW 51 /* The key number disregarding filters */
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#define DBOI_KEYCOUNTRAW 52 /* The key count disregarding filter */
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/* Query Optimization */
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#define DBOI_OPTLEVEL 53 /* Optimization level for current query */
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/* These shouldn't need an open table */
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#define DBOI_STRICTREAD 60 /* Flag for avoiding RDD hierarchy and using a bigger buffer when indexing */
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#define DBOI_OPTIMIZE 61 /* Flag for whether to use query optimization */
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#define DBOI_AUTOOPEN 62 /* Flag for automatically opening structural indexes */
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#define DBOI_AUTOORDER 63 /* When a structural index is opened, the order to be set */
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#define DBOI_AUTOSHARE 64 /* When a network is detected, open the index shared, otherwise open exclusively */
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/* Harbour extensions */
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#define DBOI_SKIPEVAL 100 /* skip while code block doesn't return TRUE */
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#define DBOI_SKIPEVALBACK 101 /* skip backward while code block doesn't return TRUE */
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/* Return values for DBOI_OPTLEVEL */
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#define DBOI_OPTIMIZED_NONE 0
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#define DBOI_OPTIMIZED_PART 1
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#define DBOI_OPTIMIZED_FULL 2
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/* constants for SELF_RECINFO() */
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#define DBRI_DELETED 1
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#define DBRI_LOCKED 2
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#define DBRI_RECSIZE 3
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#define DBRI_RECNO 4
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#define DBRI_UPDATED 5
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/* constants for dbInfo() */
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#define DBI_ISDBF 1 /* Does this RDD support DBFs? */
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#define DBI_CANPUTREC 2 /* Can this RDD Put Records? */
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#define DBI_GETHEADERSIZE 3 /* Data file's header size */
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#define DBI_LASTUPDATE 4 /* The last date this file was written to */
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#define DBI_GETDELIMITER 5 /* The delimiter (as a string) */
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#define DBI_SETDELIMITER 6 /* The delimiter (as a string) */
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#define DBI_GETRECSIZE 7 /* The size of 1 record in the file */
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#define DBI_GETLOCKARRAY 8 /* An array of locked records' numbers */
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#define DBI_TABLEEXT 9 /* The data file's file extension */
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#define DBI_FULLPATH 10 /* The Full path to the data file */
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#define DBI_ISFLOCK 20 /* Is there a file lock active? */
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#define DBI_CHILDCOUNT 22 /* Number of child relations set */
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#define DBI_FILEHANDLE 23 /* The data file's OS file handle */
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#define DBI_BOF 26 /* Same as bof() */
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#define DBI_EOF 27 /* Same as eof() */
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#define DBI_DBFILTER 28 /* Current Filter setting */
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#define DBI_FOUND 29 /* Same as found() */
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#define DBI_FCOUNT 30 /* How many fields in a record? */
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#define DBI_LOCKCOUNT 31 /* Number of record locks */
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#define DBI_VALIDBUFFER 32 /* Is the record buffer valid? */
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#define DBI_ALIAS 33 /* Name (alias) for this workarea */
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#define DBI_GETSCOPE 34 /* The codeblock used in LOCATE */
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#define DBI_LOCKOFFSET 35 /* The offset used for logical locking */
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#define DBI_SHARED 36 /* Was the file opened shared? */
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#define DBI_MEMOEXT 37 /* The memo file's file extension */
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#define DBI_MEMOHANDLE 38 /* File handle of the memo file */
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#define DBI_MEMOBLOCKSIZE 39 /* Memo File's block size */
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#define DBI_DB_VERSION 101 /* Version of the Host driver */
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#define DBI_RDD_VERSION 102 /* current RDD's version */
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#define DBI_USER 1000 /* User-defined DBI_ constants */
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#endif /* HB_DBINFO_CH_ */
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