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Current File : /home/vacivi36/ava/lib/adodb/datadict/datadict-access.inc.php

<?php
/**
 * Data Dictionary for Access.
 *
 * This file is part of ADOdb, a Database Abstraction Layer library for PHP.
 *
 * @package ADOdb
 * @link https://adodb.org Project's web site and documentation
 * @link https://github.com/ADOdb/ADOdb Source code and issue tracker
 *
 * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
 * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
 * any later version. This means you can use it in proprietary products.
 * See the LICENSE.md file distributed with this source code for details.
 * @license BSD-3-Clause
 * @license LGPL-2.1-or-later
 *
 * @copyright 2000-2013 John Lim
 * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
 */

// security - hide paths
if (!defined('ADODB_DIR')) die();

class ADODB2_access extends ADODB_DataDict {

	var $databaseType = 'access';
	var $seqField = false;


 	function ActualType($meta)
	{
		$meta = strtoupper($meta);
		
		/*
		* Add support for custom meta types. We do this
		* first, that allows us to override existing types
		*/
		if (isset($this->connection->customMetaTypes[$meta]))
			return $this->connection->customMetaTypes[$meta]['actual'];
		
		switch($meta) {
		case 'C': return 'TEXT';
		case 'XL':
		case 'X': return 'MEMO';

		case 'C2': return 'TEXT'; // up to 32K
		case 'X2': return 'MEMO';

		case 'B': return 'BINARY';

		case 'TS':
		case 'D': 
		return 'DATETIME';
		case 'T': return 'DATETIME';

		case 'L':  return 'BYTE';
		case 'I':  return 'INTEGER';
		case 'I1': return 'BYTE';
		case 'I2': return 'SMALLINT';
		case 'I4': return 'INTEGER';
		case 'I8': return 'INTEGER';

		case 'F':  return 'DOUBLE';
		case 'N':  return 'NUMERIC';
		default:
			return $meta;
		}
	}

	// return string must begin with space
	function _CreateSuffix($fname, &$ftype, $fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
	{
		if ($fautoinc) {
			$ftype = 'COUNTER';
			return '';
		}
		if (substr($ftype,0,7) == 'DECIMAL') $ftype = 'DECIMAL';
		$suffix = '';
		if (strlen($fdefault)) {
			//$suffix .= " DEFAULT $fdefault";
			if ($this->debug) ADOConnection::outp("Warning: Access does not supported DEFAULT values (field $fname)");
		}
		if ($fnotnull) $suffix .= ' NOT NULL';
		if ($fconstraint) $suffix .= ' '.$fconstraint;
		return $suffix;
	}

	function CreateDatabase($dbname,$options=false)
	{
		return array();
	}


	function SetSchema($schema)
	{
	}

	function AlterColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
	{
		if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported");
		return array();
	}


	function DropColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
	{
		if ($this->debug) ADOConnection::outp("DropColumnSQL not supported");
		return array();
	}

}

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