7bc80aaf1d
* include/dbinfo.ch
* updated few comments
* src/rdd/dbf1.c
* src/rdd/delim1.c
! fixed dbInfo( DBI_SETHEADER ) and hb_rddInfo( RDDI_SETHEADER )
to not changer previous settings
! set DB_SETHEADER_APPENDSYNC as default update header mode
408 lines
22 KiB
Plaintext
408 lines
22 KiB
Plaintext
/*
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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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*
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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.txt. 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 https://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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/* NOTE: This file is also used by C code. */
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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_RDDINFO ()
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*/
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#define RDDI_ISDBF 1 /* Does this RDD support DBFs? */
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#define RDDI_CANPUTREC 2 /* Can this RDD Put Records? */
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#define RDDI_DELIMITER 3 /* The field delimiter (as a string) */
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#define RDDI_SEPARATOR 4 /* The record separator (as a string) */
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#define RDDI_TABLEEXT 5 /* Default data file's file extension */
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#define RDDI_MEMOEXT 6 /* Default memo file's file extension */
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#define RDDI_ORDBAGEXT 7 /* Default multi tag index's file extension */
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#define RDDI_ORDEREXT 8 /* default single tag index's file extension */
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#define RDDI_ORDSTRUCTEXT 9 /* default single tag index's file extension */
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#define RDDI_LOCAL 10 /* Local file access? */
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#define RDDI_REMOTE 11 /* Remote table access? */
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#define RDDI_CONNECTION 12 /* Get/Set default connection */
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#define RDDI_TABLETYPE 13 /* Type of table file */
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#define RDDI_MEMOTYPE 14 /* Type of MEMO file DB_MEMO_*: DBT, SMT, FPT(FP,SIX3,FLEXIII) */
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#define RDDI_LARGEFILE 15 /* Is large file size (>=4GB) supported */
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#define RDDI_LOCKSCHEME 16 /* Locking scheme used by RDD */
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#define RDDI_RECORDMAP 17 /* Does RDD support record map functionality? */
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#define RDDI_ENCRYPTION 18 /* Does RDD support encryption */
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#define RDDI_TRIGGER 19 /* Get/Set default trigger function */
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#define RDDI_AUTOLOCK 20 /* automatic locking on update */
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/* index parameters */
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#define RDDI_STRUCTORD 21 /* Are structural indexes supported */
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#define RDDI_STRICTREAD 22 /* Flag for avoiding RDD hierarchy and using a bigger buffer when indexing */
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#define RDDI_STRICTSTRUCT 23 /* Flag for strict structural order checking */
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#define RDDI_OPTIMIZE 24 /* Flag for whether to use query optimization */
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#define RDDI_FORCEOPT 25 /* Flag for forcing linear optimization */
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#define RDDI_AUTOOPEN 26 /* Flag for automatically opening structural indexes */
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#define RDDI_AUTOORDER 27 /* When a structural index is opened, the order to be set */
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#define RDDI_AUTOSHARE 28 /* When a network is detected, open the index shared, otherwise open exclusively */
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#define RDDI_MULTITAG 29 /* Does RDD support multi tag in index file */
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#define RDDI_SORTRECNO 30 /* Is record number part of key in sorting */
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#define RDDI_MULTIKEY 31 /* Does custom orders support repeated keys? */
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/* memo parameters */
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#define RDDI_MEMOBLOCKSIZE 32 /* Memo File's block size */
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#define RDDI_MEMOVERSION 33 /* sub version of memo file */
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#define RDDI_MEMOGCTYPE 34 /* type of garbage collector used by GC */
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#define RDDI_MEMOREADLOCK 35 /* use read lock in memo file access */
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#define RDDI_MEMOREUSE 36 /* reuse free space on write */
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#define RDDI_BLOB_SUPPORT 37 /* can support BLOB files directly */
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/* misc */
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#define RDDI_PENDINGTRIGGER 40 /* set pending trigger for next open operation */
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#define RDDI_PENDINGPASSWORD 41 /* set pending password for next open operation */
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#define RDDI_PASSWORD 42 /* Get/Set default password */
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#define RDDI_LOCKRETRY 43 /* Get/Set record and file lock timeout value */
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#define RDDI_DIRTYREAD 44 /* Get/Set index dirty read flag */
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#define RDDI_INDEXPAGESIZE 45 /* Get/Set default index page size */
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#define RDDI_DECIMALS 46 /* Get/Set default number of decimal places for numeric fields if it's undefined */
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#define RDDI_SETHEADER 47 /* DBF header updating modes */
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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 bottom */
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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_KEYGOTORAW DBOI_KEYNORAW
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#define DBOI_KEYNO 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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#define DBOI_SKIPREGEX 102 /* skip while regular expression on index key doesn't return TRUE */
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#define DBOI_SKIPREGEXBACK 103 /* skip backward while regular expression on index key doesn't return TRUE */
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#define DBOI_SKIPWILD 104 /* skip while while comparison with given pattern with wildcards doesn't return TRUE */
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#define DBOI_SKIPWILDBACK 105 /* skip backward while comparison with given pattern with wildcards doesn't return TRUE */
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#define DBOI_SCOPEEVAL 106 /* skip through index evaluating given C function */
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#define DBOI_FINDREC 107 /* find given record in a Tag beginning from TOP */
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#define DBOI_FINDRECCONT 108 /* find given record in a Tag beginning from current position */
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#define DBOI_SCOPESET 109 /* set both scopes */
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#define DBOI_SCOPECLEAR 110 /* clear both scopes */
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#define DBOI_BAGCOUNT 111 /* number of open order bags */
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#define DBOI_BAGNUMBER 112 /* bag position in bag list */
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#define DBOI_BAGORDER 113 /* number of first order in a bag */
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#define DBOI_ISMULTITAG 114 /* does RDD support multi tag in index file */
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#define DBOI_ISSORTRECNO 115 /* is record number part of key in sorting */
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#define DBOI_LARGEFILE 116 /* is large file size (>=4GB) supported */
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#define DBOI_TEMPLATE 117 /* order with free user keys */
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#define DBOI_MULTIKEY 118 /* custom order with multikeys */
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#define DBOI_CHGONLY 119 /* update only existing keys */
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#define DBOI_PARTIAL 120 /* is index partially updated */
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#define DBOI_SHARED 121 /* is index open in shared mode */
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#define DBOI_ISREADONLY 122 /* is index open in readonly mode */
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#define DBOI_READLOCK 123 /* get/set index read lock */
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#define DBOI_WRITELOCK 124 /* get/set index write lock */
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#define DBOI_UPDATECOUNTER 125 /* get/set update index counter */
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#define DBOI_EVALSTEP 126 /* eval step (EVERY) used in index command */
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#define DBOI_ISREINDEX 127 /* Is reindex in process */
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#define DBOI_I_BAGNAME 128 /* created index name */
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#define DBOI_I_TAGNAME 129 /* created tag name */
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#define DBOI_RELKEYPOS 130 /* get/set relative key position (in range 0 - 1) */
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#define DBOI_USECURRENT 131 /* get/set "use current index" flag */
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#define DBOI_INDEXTYPE 132 /* current index type */
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#define DBOI_RESETPOS 133 /* rest logical and raw positions */
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#define DBOI_INDEXPAGESIZE 134 /* get index page size */
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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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/* return values for DBOI_INDEXTYPE */
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#define DBOI_TYPE_UNDEF -1
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#define DBOI_TYPE_NONE 0
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#define DBOI_TYPE_NONCOMPACT 1
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#define DBOI_TYPE_COMPACT 2
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#define DBOI_TYPE_COMPOUND 3
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/* constants for DBOI_SCOPEEVAL array parameter */
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#define DBRMI_FUNCTION 1
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#define DBRMI_PARAM 2
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#define DBRMI_LOVAL 3
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#define DBRMI_HIVAL 4
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#define DBRMI_RESULT 5
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#define DBRMI_SIZE 5
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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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#define DBRI_ENCRYPTED 6
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#define DBRI_RAWRECORD 7
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#define DBRI_RAWMEMOS 8
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#define DBRI_RAWDATA 9
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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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/* Harbour extension */
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#define DBI_LOCKSCHEME 128 /* Locking scheme used by RDD */
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#define DBI_ISREADONLY 129 /* Was the file opened readonly? */
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#define DBI_ROLLBACK 130 /* Rollback changes made to current record */
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#define DBI_PASSWORD 131 /* Workarea password */
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#define DBI_ISENCRYPTED 132 /* The database is encrypted */
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#define DBI_MEMOTYPE 133 /* Type of MEMO file: DBT, SMT, FPT */
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#define DBI_SEPARATOR 134 /* The record separator (as a string) */
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#define DBI_MEMOVERSION 135 /* sub version of memo file */
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#define DBI_TABLETYPE 136 /* Type of table file */
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#define DBI_SCOPEDRELATION 137 /* Is given relation scoped */
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#define DBI_TRIGGER 138 /* Get/Set trigger function */
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#define DBI_OPENINFO 139 /* DBOPENINFO structure pointer */
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#define DBI_ENCRYPT 140 /* Encrypt table */
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#define DBI_DECRYPT 141 /* Decrypt table */
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#define DBI_MEMOPACK 142 /* Pack memo file */
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#define DBI_DIRTYREAD 143 /* Get/Set index dirty read flag */
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#define DBI_POSITIONED 144 /* Is cursor positioned to valid record */
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#define DBI_ISTEMPORARY 145 /* Is the table a temporary one? */
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#define DBI_LOCKTEST 146 /* record / file lock test */
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#define DBI_CODEPAGE 147 /* Codepage used */
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#define DBI_TRANSREC 148 /* Is it destination table of currently processed COPY TO or APPEND FROM operation? */
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#define DBI_SETHEADER 149 /* DBF header updating modes */
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/* RECORD MAP (RM) support */
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#define DBI_RM_SUPPORTED 150 /* has WA RDD record map support? */
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#define DBI_RM_CREATE 151 /* create new empty work area record map */
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#define DBI_RM_REMOVE 152 /* remove active work area record map */
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#define DBI_RM_CLEAR 153 /* remove all records from WA record map */
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#define DBI_RM_FILL 154 /* add all records to WA record map */
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#define DBI_RM_ADD 155 /* add record to work area record map */
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#define DBI_RM_DROP 156 /* remove record from work area record map */
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#define DBI_RM_TEST 157 /* test if record is set in WA record map */
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#define DBI_RM_COUNT 158 /* number of records set in record map */
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#define DBI_RM_HANDLE 159 /* get/set record map filter handle */
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/* BLOB support - definitions for internal use by blob.ch */
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#define DBI_BLOB_DIRECT_EXPORT 201
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#define DBI_BLOB_DIRECT_GET 202
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#define DBI_BLOB_DIRECT_IMPORT 203
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#define DBI_BLOB_DIRECT_PUT 204
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#define DBI_BLOB_ROOT_GET 205
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#define DBI_BLOB_ROOT_PUT 206
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#define DBI_BLOB_ROOT_LOCK 207
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#define DBI_BLOB_ROOT_UNLOCK 208
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/* CA-Cl*pper documented for public use */
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#define DBI_BLOB_DIRECT_LEN 209
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#define DBI_BLOB_DIRECT_TYPE 210
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#define DBI_BLOB_INTEGRITY 211
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#define DBI_BLOB_OFFSET 212
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#define DBI_BLOB_RECOVER 213
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#define DBI_USER 1000 /* User-defined DBI_ constants */
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/* extended dbFieldInfo() actions */
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#define DBS_ISNULL 101
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#define DBS_COUNTER 102
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#define DBS_STEP 103
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#define DBS_BLOB_GET 201 /* This is internal definition */
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#define DBS_BLOB_LEN 202
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#define DBS_BLOB_OFFSET 203
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#define DBS_BLOB_POINTER 204
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#define DBS_BLOB_TYPE 205
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#define BLOB_EXPORT_APPEND 1
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#define BLOB_EXPORT_OVERWRITE 0
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#define BLOB_IMPORT_COMPRESS 1
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#define BLOB_IMPORT_ENCRYPT 2
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#define FILEGET_APPEND BLOB_EXPORT_APPEND
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#define FILEGET_OVERWRITE BLOB_EXPORT_OVERWRITE
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#define FILEPUT_COMPRESS BLOB_IMPORT_COMPRESS
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#define FILEPUT_ENCRYPT BLOB_IMPORT_ENCRYPT
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/* DBF TYPES: RDDI_TABLETYPE, DBI_TABLETYPE */
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#define DB_DBF_STD 1
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#define DB_DBF_VFP 2
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/* MEMO TYPES: RDDI_MEMOTYPE, DBI_MEMOTYPE, */
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#define DB_MEMO_NONE 0
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#define DB_MEMO_DBT 1
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#define DB_MEMO_FPT 2
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#define DB_MEMO_SMT 3
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/* MEMO EXTENDED TYPES: RDDI_MEMOVERSION, DBI_MEMOVERSION */
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#define DB_MEMOVER_STD 1
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#define DB_MEMOVER_SIX 2
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#define DB_MEMOVER_FLEX 3
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#define DB_MEMOVER_CLIP 4
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/* ENCRYPTION TYPE */
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#define DB_CRYPT_NONE 0
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#define DB_CRYPT_SIX 1
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/* LOCK SCHEMES: RDDI_LOCKSCHEME, DBI_LOCKSCHEME */
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#define DB_DBFLOCK_DEFAULT 0
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#define DB_DBFLOCK_CLIPPER 1 /* default Cl*pper locking scheme */
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#define DB_DBFLOCK_COMIX 2 /* COMIX and CL53 DBFCDX hyper locking scheme */
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#define DB_DBFLOCK_VFP 3 /* [V]FP, CL52 DBFCDX, SIx3 SIXCDX, CDXLOCK.OBJ */
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#define DB_DBFLOCK_HB32 4 /* Harbour hyper locking scheme for 32bit file API */
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#define DB_DBFLOCK_HB64 5 /* Harbour hyper locking scheme for 64bit file API */
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#define DB_DBFLOCK_CLIPPER2 6 /* extended Cl*pper locking scheme NTXLOCK2.OBJ */
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/* for backward compatibility */
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#ifdef HB_LEGACY_LEVEL5
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#define DB_DBFLOCK_CLIP DB_DBFLOCK_CLIPPER
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#define DB_DBFLOCK_CL53 DB_DBFLOCK_COMIX
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#define DB_DBFLOCK_CL53EXT DB_DBFLOCK_HB32
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#endif
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/* DBF HEADER UPDATING */
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#define DB_SETHEADER_CLOSE 0 /* update in CLOSE method - it always happens if necessary */
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#define DB_SETHEADER_COMMIT 1 /* update in FLUSH method */
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#define DB_SETHEADER_WRITE 2 /* update in GOCOLD method */
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#define DB_SETHEADER_APPEND 0 /* record append sets update header flag (always enabled) */
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#define DB_SETHEADER_REPLACE 4 /* record modification sets update header flag */
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#define DB_SETHEADER_YYEAR 16 /* store year() % 100 instead of year - 1900, FoxPro compatibility */
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/* update in CLOSE after append only */
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#define DB_SETHEADER_MINIMAL DB_SETHEADER_CLOSE
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/* update in COMMIT and CLOSE after append only */
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#define DB_SETHEADER_COMMITSYNC DB_SETHEADER_COMMIT
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/* update in GOCOLD after append only - default */
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#define DB_SETHEADER_APPENDSYNC DB_SETHEADER_WRITE
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/* update in CLOSE after any record modification */
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#define DB_SETHEADER_CHANGE ( DB_SETHEADER_CLOSE + DB_SETHEADER_REPLACE )
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/* update in COMMIT and CLOSE after any record modification - Cl*pper compatible */
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#define DB_SETHEADER_CLIPPER ( DB_SETHEADER_COMMIT + DB_SETHEADER_REPLACE )
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/* update in GOCOLD after any record modification */
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#define DB_SETHEADER_FULL ( DB_SETHEADER_WRITE + DB_SETHEADER_REPLACE )
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#endif /* HB_DBINFO_CH_ */
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