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efrain |
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<?php
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/**
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* SAP SQL Anywhere driver (previously Sybase SQL Anywhere)
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*
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* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
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*
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* @package ADOdb
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* @link https://adodb.org Project's web site and documentation
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* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
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*
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* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
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* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
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* any later version. This means you can use it in proprietary products.
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* See the LICENSE.md file distributed with this source code for details.
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* @license BSD-3-Clause
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* @license LGPL-2.1-or-later
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*
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* @copyright 2000-2013 John Lim
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* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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if (!defined('_ADODB_ODBC_LAYER')) {
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include_once(ADODB_DIR."/drivers/adodb-odbc.inc.php");
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}
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if (!defined('ADODB_SYBASE_SQLANYWHERE')){
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define('ADODB_SYBASE_SQLANYWHERE',1);
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class ADODB_sqlanywhere extends ADODB_odbc
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{
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var $databaseType = "sqlanywhere";
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var $hasInsertID = true;
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protected function _insertID($table = '', $column = '')
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{
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return $this->GetOne('select @@identity');
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}
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function create_blobvar($blobVarName) {
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$this->Execute("create variable $blobVarName long binary");
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return;
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}
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function drop_blobvar($blobVarName) {
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$this->Execute("drop variable $blobVarName");
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return;
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}
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function load_blobvar_from_file($blobVarName, $filename) {
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$chunk_size = 1000;
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$fd = fopen ($filename, "rb");
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$integer_chunks = (integer)filesize($filename) / $chunk_size;
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$modulus = filesize($filename) % $chunk_size;
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if ($modulus != 0){
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$integer_chunks += 1;
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}
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for($loop=1;$loop<=$integer_chunks;$loop++){
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$contents = fread ($fd, $chunk_size);
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$contents = bin2hex($contents);
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$hexstring = '';
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for($loop2=0;$loop2<strlen($contents);$loop2+=2){
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$hexstring .= '\x' . substr($contents,$loop2,2);
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}
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$hexstring = $this->qstr($hexstring);
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$this->Execute("set $blobVarName = $blobVarName || " . $hexstring);
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}
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fclose ($fd);
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return;
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}
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function load_blobvar_from_var($blobVarName, &$varName) {
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$chunk_size = 1000;
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$integer_chunks = (integer)strlen($varName) / $chunk_size;
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$modulus = strlen($varName) % $chunk_size;
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if ($modulus != 0){
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$integer_chunks += 1;
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}
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for($loop=1;$loop<=$integer_chunks;$loop++){
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$contents = substr ($varName, (($loop - 1) * $chunk_size), $chunk_size);
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$contents = bin2hex($contents);
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$hexstring = '';
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for($loop2=0;$loop2<strlen($contents);$loop2+=2){
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$hexstring .= '\x' . substr($contents,$loop2,2);
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}
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$hexstring = $this->qstr($hexstring);
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$this->Execute("set $blobVarName = $blobVarName || " . $hexstring);
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}
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return;
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}
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/*
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Insert a null into the blob field of the table first.
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Then use UpdateBlob to store the blob.
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Usage:
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$conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, null)');
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$conn->UpdateBlob('blobtable','blobcol',$blob,'id=1');
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*/
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function updateBlob($table, $column, $val, $where, $blobtype = 'BLOB')
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{
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$blobVarName = 'hold_blob';
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$this->create_blobvar($blobVarName);
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$this->load_blobvar_from_var($blobVarName, $val);
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$this->Execute("UPDATE $table SET $column=$blobVarName WHERE $where");
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$this->drop_blobvar($blobVarName);
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return true;
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}
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}; //class
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class ADORecordSet_sqlanywhere extends ADORecordSet_odbc {
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var $databaseType = "sqlanywhere";
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}; //class
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} //define
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