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

<?php
/**
 * Data Dictionary for Informix.
 *
 * 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_informix extends ADODB_DataDict {

	var $databaseType = 'informix';
	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 'VARCHAR';// 255
		case 'XL':
		case 'X': return 'TEXT';

		case 'C2': return 'NVARCHAR';
		case 'X2': return 'TEXT';

		case 'B': return 'BLOB';

		case 'D': return 'DATE';
		case 'TS':
		case 'T': return 'DATETIME YEAR TO SECOND';

		case 'L': return 'SMALLINT';
		case 'I': return 'INTEGER';
		case 'I1': return 'SMALLINT';
		case 'I2': return 'SMALLINT';
		case 'I4': return 'INTEGER';
		case 'I8': return 'DECIMAL(20)';

		case 'F': return 'FLOAT';
		case 'N': return 'DECIMAL';
		default:
			return $meta;
		}
	}

	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();
	}

	// return string must begin with space
	function _CreateSuffix($fname, &$ftype, $fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
	{
		if ($fautoinc) {
			$ftype = 'SERIAL';
			return '';
		}
		$suffix = '';
		if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
		if ($fnotnull) $suffix .= ' NOT NULL';
		if ($fconstraint) $suffix .= ' '.$fconstraint;
		return $suffix;
	}

}

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