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<?php
/**
* Data Dictionary for SQLite.
*
* 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_sqlite extends ADODB_DataDict {
var $databaseType = 'sqlite';
var $seqField = false;
var $addCol=' ADD COLUMN';
var $dropTable = 'DROP TABLE IF EXISTS %s';
var $dropIndex = 'DROP INDEX IF EXISTS %s';
var $renameTable = 'ALTER TABLE %s RENAME TO %s';
public $blobAllowsDefaultValue = true;
public $blobAllowsNotNull = true;
function ActualType($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(strtoupper($meta)) {
case 'C': return 'VARCHAR'; // TEXT , TEXT affinity
case 'XL':return 'LONGTEXT'; // TEXT , TEXT affinity
case 'X': return 'TEXT'; // TEXT , TEXT affinity
case 'C2': return 'VARCHAR'; // TEXT , TEXT affinity
case 'X2': return 'LONGTEXT'; // TEXT , TEXT affinity
case 'B': return 'LONGBLOB'; // TEXT , NONE affinity , BLOB
case 'D': return 'DATE'; // NUMERIC , NUMERIC affinity
case 'T': return 'DATETIME'; // NUMERIC , NUMERIC affinity
case 'L': return 'TINYINT'; // NUMERIC , INTEGER affinity
case 'R':
case 'I4':
case 'I': return 'INTEGER'; // NUMERIC , INTEGER affinity
case 'I1': return 'TINYINT'; // NUMERIC , INTEGER affinity
case 'I2': return 'SMALLINT'; // NUMERIC , INTEGER affinity
case 'I8': return 'BIGINT'; // NUMERIC , INTEGER affinity
case 'F': return 'DOUBLE'; // NUMERIC , REAL affinity
case 'N': return 'NUMERIC'; // NUMERIC , NUMERIC affinity
default:
return $meta;
}
}
// return string must begin with space
function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
{
$suffix = '';
if ($funsigned) $suffix .= ' UNSIGNED';
if ($fnotnull) $suffix .= ' NOT NULL';
if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
if ($fautoinc) $suffix .= ' AUTOINCREMENT';
if ($fconstraint) $suffix .= ' '.$fconstraint;
return $suffix;
}
function AlterColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
{
if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported natively by SQLite");
return array();
}
function DropColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
{
if ($this->debug) ADOConnection::outp("DropColumnSQL not supported natively by SQLite");
return array();
}
function RenameColumnSQL($tabname,$oldcolumn,$newcolumn,$flds='')
{
if ($this->debug) ADOConnection::outp("RenameColumnSQL not supported natively by SQLite");
return array();
}
}