Files
harbour-core/harbour/contrib/hbsqlit3/tests/blob.prg
Viktor Szakats bfff433b33 2010-03-07 19:02 UTC+0100 Viktor Szakats (harbour.01 syenar.hu)
* contrib/hbpgsql/tests/simple.prg
    ! Fixed typo.

  * contrib/hbmysql/tests/test.prg
    * Formatting.
    ; TOFIX: Not a standalone test code.

  * contrib/hbsqlit3/tests/blob.prg
  * contrib/hbsqlit3/tests/pack.prg
  * contrib/hbsqlit3/tests/metadata.prg
  * contrib/hbsqlit3/tests/sl3_test.prg
  * contrib/hbsqlit3/tests/hooks.prg
  * contrib/hbsqlit3/tests/backup.prg
    * Indentation.
2010-03-07 18:03:17 +00:00

135 lines
4.7 KiB
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/*
* $Id$
*/
/*
* SQLite3 Demo
*
* Copyright 2007 P.Chornyj <myorg63@mail.ru>
*
* 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.
*
* See COPYING for licensing terms.
*
*/
#include "hbsqlit3.ch"
#define TABLE_SQL "CREATE TABLE image( id INTEGER PRIMARY KEY AUTOINCREMENT, title TEXT(50), image BLOB )"
PROCEDURE main()
LOCAL lCreateIfNotExist := .t.
LOCAL db := sqlite3_open( "test.s3db", lCreateIfNotExist )
LOCAL stmt
LOCAL buff, blob
IF ! Empty( db )
sqlite3_exec( db, "PRAGMA auto_vacuum=0" )
sqlite3_exec( db, "PRAGMA page_size=8192" )
sqlite3_exec( db, "DROP TABLE image" )
sqlite3_exec( db, TABLE_SQL )
stmt := sqlite3_prepare( db, "INSERT INTO image( title, image ) VALUES( :title, :image )")
IF ! Empty( stmt )
buff := sqlite3_file_to_buff( "pngtest.png" )
IF sqlite3_bind_text( stmt, 1, "pngtest.png" ) == SQLITE_OK .AND. ;
sqlite3_bind_blob( stmt, 2, @buff ) == SQLITE_OK
IF sqlite3_step( stmt ) == SQLITE_DONE
?"Save pngtest.png into BLOB"
? "INSERT INTO image( title, image ) VALUES( 'pngtest.png', 'pngtest.png' ) - Done"
ENDIF
ENDIF
buff := NIL
sqlite3_clear_bindings( stmt )
sqlite3_finalize( stmt )
ENDIF
? ""
? "The number of database rows that were changed: " + ltrim( str( sqlite3_changes( db ) ) )
? "Total changes: " + ltrim( str( sqlite3_total_changes( db ) ) )
? ""
sqlite3_sleep( 3000 )
blob := sqlite3_blob_open( db, NIL, "image", "image", sqlite3_last_insert_rowid( db ), 0 /* 0 - RO; 1- RW */ )
IF !Empty( blob )
? "Open BLOB image - Ok"
buff := sqlite3_blob_read( blob )
/* Call sqlite3_blob_bytes() only after sqlite3_blob_read() */
? "The size in bytes of the blob - ", sqlite3_blob_bytes( blob )
IF ( sqlite3_buff_to_file( "pngtest1.png", @buff ) == SQLITE_OK )
? "Save BLOB into pngtest1.png - Done"
ENDIF
buff := NIL
sqlite3_blob_close( blob )
? "Close BLOB"
ENDIF
sqlite3_sleep( 3000 )
?""
?"Save BLOB using sqlite3_column_blob()"
stmt := sqlite3_prepare( db, "SELECT image FROM image WHERE id == ?5 ")
IF !Empty( stmt )
IF sqlite3_bind_int64( stmt, 5, sqlite3_last_insert_rowid( db ) ) == SQLITE_OK
IF sqlite3_step( stmt ) == SQLITE_ROW
buff := sqlite3_column_blob( stmt, 1 )
IF ( sqlite3_buff_to_file( "pngtest2.png", @buff ) == SQLITE_OK )
? "Save BLOB into pngtest2.png - Done"
ENDIF
buff := NIL
ENDIF
sqlite3_clear_bindings( stmt )
sqlite3_finalize( stmt )
ENDIF
ENDIF
wait
ENDIF
RETURN