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https://github.com/moodle/moodle.git
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107 lines
3.3 KiB
PHP
107 lines
3.3 KiB
PHP
<?php
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/**
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* Data Dictionary for SQLite.
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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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class ADODB2_sqlite extends ADODB_DataDict {
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var $databaseType = 'sqlite';
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var $seqField = false;
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var $addCol=' ADD COLUMN';
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var $dropTable = 'DROP TABLE IF EXISTS %s';
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var $dropIndex = 'DROP INDEX IF EXISTS %s';
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var $renameTable = 'ALTER TABLE %s RENAME TO %s';
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public $blobAllowsDefaultValue = true;
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public $blobAllowsNotNull = true;
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function ActualType($meta)
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{
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$meta = strtoupper($meta);
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/*
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* Add support for custom meta types. We do this
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* first, that allows us to override existing types
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*/
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if (isset($this->connection->customMetaTypes[$meta]))
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return $this->connection->customMetaTypes[$meta]['actual'];
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switch(strtoupper($meta)) {
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case 'C': return 'VARCHAR'; // TEXT , TEXT affinity
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case 'XL':return 'LONGTEXT'; // TEXT , TEXT affinity
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case 'X': return 'TEXT'; // TEXT , TEXT affinity
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case 'C2': return 'VARCHAR'; // TEXT , TEXT affinity
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case 'X2': return 'LONGTEXT'; // TEXT , TEXT affinity
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case 'B': return 'LONGBLOB'; // TEXT , NONE affinity , BLOB
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case 'D': return 'DATE'; // NUMERIC , NUMERIC affinity
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case 'T': return 'DATETIME'; // NUMERIC , NUMERIC affinity
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case 'L': return 'TINYINT'; // NUMERIC , INTEGER affinity
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case 'R':
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case 'I4':
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case 'I': return 'INTEGER'; // NUMERIC , INTEGER affinity
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case 'I1': return 'TINYINT'; // NUMERIC , INTEGER affinity
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case 'I2': return 'SMALLINT'; // NUMERIC , INTEGER affinity
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case 'I8': return 'BIGINT'; // NUMERIC , INTEGER affinity
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case 'F': return 'DOUBLE'; // NUMERIC , REAL affinity
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case 'N': return 'NUMERIC'; // NUMERIC , NUMERIC affinity
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default:
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return $meta;
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}
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}
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// return string must begin with space
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function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
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{
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$suffix = '';
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if ($funsigned) $suffix .= ' UNSIGNED';
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if ($fnotnull) $suffix .= ' NOT NULL';
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if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
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if ($fautoinc) $suffix .= ' AUTOINCREMENT';
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if ($fconstraint) $suffix .= ' '.$fconstraint;
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return $suffix;
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}
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function AlterColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
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{
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if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported natively by SQLite");
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return array();
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}
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function DropColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
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{
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if ($this->debug) ADOConnection::outp("DropColumnSQL not supported natively by SQLite");
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return array();
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}
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function RenameColumnSQL($tabname,$oldcolumn,$newcolumn,$flds='')
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{
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if ($this->debug) ADOConnection::outp("RenameColumnSQL not supported natively by SQLite");
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return array();
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}
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}
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