760112e3c5
* bin/check.hb
* config/*/*.mk
* contrib/gtwvg/wvgwing.c
* contrib/hbcomm/comm.prg
* contrib/hbfbird/tfirebrd.prg
* contrib/hbfimage/fi_wrp.c
* contrib/hbformat/hbfmtcls.prg
* contrib/hbformat/utils/hbformat.prg
* contrib/hbhttpd/core.prg
* contrib/hbnetio/utils/hbnetio/hbnetio.prg
* contrib/hbnetio/utils/hbnetio/netiomgm.hb
* contrib/hbsqlit3/hdbc.prg
* contrib/hbwin/win_bmp.c
* contrib/xhb/htmutil.prg
* contrib/xhb/thtm.prg
* contrib/xhb/xhbarr.c
* contrib/xhb/xhbtedit.prg
* ChangeLog.txt
* debian/control
* debian/copyright
* doc/*.txt
* LICENSE.txt
* package/harbour.spec
* README.md
* src/compiler/hbusage.c
* src/pp/hbpp.c
* src/rtl/memoedit.prg
* src/rtl/teditor.prg
* src/rtl/tget.prg
* src/rtl/version.c
* utils/hbi18n/hbi18n.prg
* utils/hbmk2/hbmk2.prg
* utils/hbmk2/po/hbmk2.hu.po
* utils/hbtest/hbtest.prg
* sync with 3.4 fork (no change in functionality)
CC3 -> CC4 license, copyright banners, some strings, minor
code changes, doc folder, TOFIX -> FIXME
584 lines
12 KiB
Plaintext
584 lines
12 KiB
Plaintext
/*
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* SQLite3 JDBC like interface code.
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*
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* Copyright 2008 Lorenzo Fiorini lorenzo.fiorini@gmail.com
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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 program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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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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#include "hbclass.ch"
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#include "error.ch"
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#include "hbsqlit3.ch"
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#define _TODO_ NIL
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CREATE CLASS hdbcSQLTConnection
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PROTECTED:
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VAR pDb
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VAR lTrans
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VAR lTrace INIT .F.
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VAR pTrace
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EXPORTED:
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METHOD new( cDBFile, lCreateIfNotExist )
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METHOD close()
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METHOD startTransaction()
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/* method transactionStatus */
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METHOD commit()
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METHOD rollback()
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METHOD getMetadata()
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METHOD createStatement()
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METHOD prepareStatement( cSql )
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ENDCLASS
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METHOD new( cDBFile, lCreateIfNotExist ) CLASS hdbcSQLTConnection
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::pDB := sqlite3_open( cDbFile, lCreateIfNotExist )
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IF sqlite3_errcode( ::pDb ) != SQLITE_OK
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raiseError( sqlite3_errmsg( ::pDb ) )
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ENDIF
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RETURN Self
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METHOD close() CLASS hdbcSQLTConnection
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::pDb := NIL
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RETURN NIL
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METHOD startTransaction() CLASS hdbcSQLTConnection
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IF sqlite3_exec( ::pDB, "BEGIN TRANSACTION" ) != SQLITE_OK
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raiseError( sqlite3_errmsg( ::pDb ) )
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ENDIF
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RETURN NIL
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METHOD commit() CLASS hdbcSQLTConnection
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IF sqlite3_exec( ::pDB, "COMMIT" ) != SQLITE_OK
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raiseError( sqlite3_errmsg( ::pDb ) )
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ENDIF
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RETURN NIL
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METHOD rollback() CLASS hdbcSQLTConnection
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IF sqlite3_exec( ::pDB, "ROLLBACK" ) != SQLITE_OK
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raiseError( sqlite3_errmsg( ::pDb ) )
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ENDIF
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RETURN NIL
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METHOD createStatement() CLASS hdbcSQLTConnection
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RETURN hdbcSQLTStatement():new( ::pDB )
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METHOD prepareStatement( cSql ) CLASS hdbcSQLTConnection
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RETURN hdbcSQLTPreparedStatement():new( ::pDB, cSql )
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METHOD getMetadata() CLASS hdbcSQLTConnection
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RETURN hdbcSQLTDatabaseMetaData():new( ::pDB )
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CREATE CLASS hdbcSQLTStatement
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PROTECTED:
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VAR pDB
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VAR cSql
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VAR oRs
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EXPORTED:
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VAR pRes
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METHOD new( pDB, cSql )
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METHOD executeQuery( cSql )
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METHOD executeUpdate( cSql )
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METHOD close()
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ENDCLASS
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METHOD new( pDB, cSql ) CLASS hdbcSQLTStatement
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::pDB := pDB
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::cSql := cSql
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RETURN self
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METHOD executeQuery( cSql ) CLASS hdbcSQLTStatement
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::pRes := sqlite3_prepare( ::pDB, cSql )
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IF ! HB_ISPOINTER( ::pRes )
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raiseError( sqlite3_errmsg( ::pDb ) )
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ELSE
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::oRs := hdbcSQLTResultSet():new( ::pDB, Self )
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ENDIF
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return ::oRs
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METHOD executeUpdate( cSql ) CLASS hdbcSQLTStatement
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LOCAL nRows
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IF sqlite3_exec( ::pDB, cSql ) != SQLITE_OK
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raiseError( sqlite3_errmsg( ::pDb ) )
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ELSE
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nRows := sqlite3_changes( ::pDB )
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ENDIF
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RETURN nRows
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METHOD close() CLASS hdbcSQLTStatement
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IF ! HB_ISNIL( ::pRes )
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sqlite3_finalize( ::pRes )
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::pRes := NIL
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ENDIF
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RETURN NIL
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CREATE CLASS hdbcSQLTPreparedStatement
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PROTECTED:
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VAR pDB
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VAR cSql
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VAR pRes
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VAR oRs
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VAR cName INIT "hdbcsqle"
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VAR lPrepared INIT .F.
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VAR nParams INIT 0
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VAR aParams INIT Array( 128 )
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EXPORTED:
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METHOD new( pDB, cSql )
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METHOD executeQuery()
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METHOD executeUpdate()
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METHOD close()
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METHOD setString( nParam, xValue )
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METHOD SetNumber( n, x ) INLINE ::setString( n, Str( x ) )
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METHOD SetDate( n, x ) INLINE ::setString( n, DToS( x ) )
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METHOD SetBoolean( n, x ) INLINE ::setString( n, iif( x, "t", "f" ) )
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ENDCLASS
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METHOD new( pDB, cSql ) CLASS hdbcSQLTPreparedStatement
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::pDB := pDB
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::cSql := cSql
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RETURN self
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METHOD executeQuery() CLASS hdbcSQLTPreparedStatement
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IF ! ::lPrepared
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::aParams := ASize( ::aParams, ::nParams )
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/* TODO */
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ENDIF
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if ::lPrepared
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/* TODO */
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ENDIF
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RETURN _TODO_
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METHOD executeUpdate() CLASS hdbcSQLTPreparedStatement
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IF ! ::lPrepared
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::aParams := ASize( ::aParams, ::nParams )
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/* TODO */
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ENDIF
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if ::lPrepared
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/* TODO */
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ENDIF
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RETURN _TODO_
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METHOD setString( nParam, xValue ) CLASS hdbcSQLTPreparedStatement
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::aParams[ nParam ] := xValue
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IF ! ::lPrepared
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IF nParam > ::nParams
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::nParams := nParam
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ENDIF
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ENDIF
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RETURN NIL
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METHOD close() CLASS hdbcSQLTPreparedStatement
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IF ! Empty( ::pRes )
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sqlite3_finalize( ::pRes )
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::pRes := NIL
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ENDIF
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RETURN NIL
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CREATE CLASS hdbcSQLTResultSet
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PROTECTED:
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VAR pDB
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VAR pStmt
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VAR pRes
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VAR lBeforeFirst INIT .T.
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VAR lAfterLast INIT .F.
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VAR nRow INIT 0
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VAR cTableName
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VAR aPrimaryKeys
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VAR cPrimaryWhere
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VAR aBuffer
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VAR nCurrentRow
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VAR hColNames
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EXPORTED:
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VAR nRows INIT 0
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METHOD new( pDB, pStmt )
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METHOD close()
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METHOD beforeFirst()
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METHOD first() INLINE ::absolute( 1 )
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METHOD previous() INLINE ::relative( - 1 )
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METHOD next() INLINE ( sqlite3_step( ::pRes ) == SQLITE_ROW ) // ::relative( 1 )
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METHOD last() INLINE ::absolute( ::nRows )
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METHOD afterLast()
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METHOD relative( nMove )
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METHOD absolute( nMove )
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METHOD isBeforeFirst() INLINE ::lBeforeFirst
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METHOD isFirst() INLINE ( ::nRow == 1 )
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METHOD isLast() INLINE ( ::nRow == ::nRows )
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METHOD isAfterLast() INLINE ::lAfterLast
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METHOD getRow() INLINE ::nRow
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METHOD findColumn( cField )
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METHOD getString( nField )
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METHOD getNumber( nField ) INLINE Val( ::getString( nField ) )
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METHOD getDate( nField ) INLINE hb_SToD( StrTran( ::getString( nField ), "-" ) )
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METHOD getBoolean( nField ) INLINE ( ::getString( nField ) == "t" )
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METHOD getMetaData()
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METHOD setTableName( cTable ) INLINE ::cTableName := cTable
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METHOD setPrimaryKeys( aKeys ) INLINE ::aPrimaryKeys := aKeys
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METHOD moveToInsertRow()
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METHOD moveToCurrentRow()
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METHOD insertRow()
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METHOD updateRow()
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METHOD deleteRow()
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METHOD updateBuffer( nField, xValue, cType )
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METHOD updateString( nField, cValue ) INLINE ::updateBuffer( nField, cValue, "C" )
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METHOD updateNumber( nField, nValue ) INLINE ::updateBuffer( nField, hb_ntos( nValue ), "N" )
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METHOD updateDate( nField, dValue ) INLINE ::updateBuffer( nField, DToS( dValue ), "D" )
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METHOD updateBoolean( nField, lValue ) INLINE ::updateBuffer( nField, iif( lValue, "t", "f" ), "L" )
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ENDCLASS
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METHOD new( pDB, pStmt ) CLASS hdbcSQLTResultSet
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::pDB := pDB
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::pStmt := pStmt
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::pRes := pStmt:pRes /* FIXME ! */
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::nRows := 100
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if ::nRows != 0
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::nRow := 0
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::lBeforeFirst := .T.
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::lAfterLast := .F.
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ENDIF
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RETURN Self
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METHOD close() CLASS hdbcSQLTResultSet
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RETURN NIL
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METHOD beforeFirst() CLASS hdbcSQLTResultSet
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::nRow := 0
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::lBeforeFirst := .T.
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::lAfterLast := .F.
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RETURN NIL
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METHOD afterLast() CLASS hdbcSQLTResultSet
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::nRow := ::nRows + 1
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::lBeforeFirst := .F.
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::lAfterLast := .T.
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RETURN NIL
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METHOD relative( nMove ) CLASS hdbcSQLTResultSet
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LOCAL nRowNew := ::nRow + nMove
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IF nRowNew >= 1 .AND. nRowNew <= ::nRows
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::nRow := nRowNew
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::lBeforeFirst := .F.
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::lAfterLast := .F.
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RETURN .T.
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ELSE
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IF nRowNew < 1
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::nRow := 0
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::lBeforeFirst := .T.
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ELSE
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::nRow := ::nRows + 1
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::lAfterLast := .T.
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ENDIF
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ENDIF
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RETURN .F.
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METHOD absolute( nMove ) CLASS hdbcSQLTResultSet
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IF nMove > 0
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IF nMove <= ::nRows
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::nRow := nMove
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::lBeforeFirst := .F.
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::lAfterLast := .F.
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RETURN .T.
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ENDIF
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ELSEIF nMove < 0
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IF -nMove <= ::nRows
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::nRow := ::nRows + nMove
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::lBeforeFirst := .F.
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::lAfterLast := .F.
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RETURN .T.
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ENDIF
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ENDIF
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RETURN .F.
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METHOD findColumn( cField ) CLASS hdbcSQLTResultSet
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LOCAL nCount
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LOCAL nMax
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IF ! HB_ISHASH( ::hColNames )
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::hColNames := { => }
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nMax := sqlite3_column_count( ::pRes )
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FOR nCount := 1 TO nMax
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::hColNames[ Lower( sqlite3_column_name( ::pRes, nCount ) ) ] := nCount
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NEXT
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ENDIF
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nCount := ::hColNames[ cField ]
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RETURN nCount
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METHOD getString( nField ) CLASS hdbcSQLTResultSet
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IF HB_ISSTRING( nField )
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nField := ::findColumn( nField )
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ENDIF
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RETURN sqlite3_column_text( ::pRes, nField )
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METHOD getMetaData() CLASS hdbcSQLTResultSet
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RETURN hdbcSQLTResultSetMetaData():new( ::pRes )
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METHOD moveToInsertRow() CLASS hdbcSQLTResultSet
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::nCurrentRow := ::nRow
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::aBuffer := Array( _TODO_ )
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RETURN NIL
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METHOD moveToCurrentRow() CLASS hdbcSQLTResultSet
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::nRow := ::nCurrentRow
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RETURN NIL
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METHOD updateBuffer( nField, xValue, cType ) CLASS hdbcSQLTResultSet
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IF HB_ISSTRING( nField )
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nField := ::findColumn( nField )
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ENDIF
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if ::aBuffer == NIL
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::aBuffer := Array( _TODO_ )
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ENDIF
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::aBuffer[ nField ] := { xValue, cType }
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RETURN NIL
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METHOD insertRow() CLASS hdbcSQLTResultSet
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/* TODO */
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RETURN NIL
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METHOD updateRow() CLASS hdbcSQLTResultSet
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/* TODO */
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RETURN NIL
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METHOD deleteRow() CLASS hdbcSQLTResultSet
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/* TODO */
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RETURN NIL
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CREATE CLASS hdbcSQLTResultSetMetaData
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PROTECTED:
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VAR pRes
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EXPORTED:
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METHOD new( pRes )
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METHOD getColumnCount()
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METHOD getColumnName( nColumn )
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METHOD getColumnDisplaySize( nColumn )
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ENDCLASS
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METHOD new( pRes ) CLASS hdbcSQLTResultSetMetaData
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::pRes := pRes
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RETURN Self
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METHOD getColumnCount() CLASS hdbcSQLTResultSetMetaData
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RETURN sqlite3_column_count( ::pRes )
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METHOD getColumnName( nColumn ) CLASS hdbcSQLTResultSetMetaData
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RETURN sqlite3_column_name( ::pRes, nColumn )
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METHOD getColumnDisplaySize( nColumn ) CLASS hdbcSQLTResultSetMetaData
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HB_SYMBOL_UNUSED( nColumn )
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RETURN _TODO_
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CREATE CLASS hdbcSQLTDatabaseMetaData
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PROTECTED:
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VAR pDB
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|
EXPORTED:
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METHOD new( pDB )
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METHOD getTables()
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METHOD getPrimaryKeys()
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ENDCLASS
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METHOD new( pDB ) CLASS hdbcSQLTDatabaseMetaData
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::pDB := pDB
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RETURN Self
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METHOD getTables() CLASS hdbcSQLTDatabaseMetaData
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/* TODO */
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RETURN _TODO_
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METHOD getPrimaryKeys() CLASS hdbcSQLTDatabaseMetaData
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/* TODO */
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RETURN _TODO_
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STATIC PROCEDURE raiseError( cErrMsg )
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|
|
|
LOCAL oErr
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|
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oErr := ErrorNew()
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oErr:severity := ES_ERROR
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oErr:genCode := EG_OPEN
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oErr:subSystem := "HDBCSQLT"
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oErr:SubCode := 1000
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oErr:Description := cErrMsg
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Eval( ErrorBlock(), oErr )
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|
RETURN
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