<?php

/**
  V5.18 3 Sep 2012  (c) 2000-2012 John Lim (jlim#natsoft.com). All rights reserved.
  Released under both BSD license and Lesser GPL library license. 
  Whenever there is any discrepancy between the two licenses, 
  the BSD license will take precedence.
	
  Set tabs to 4 for best viewing.
 
	SQLite datadict Andrei Besleaga
 
*/

// 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';
	
	

	function ActualType($meta)
	{
		switch(strtoupper($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, $flds)
	{
		if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported natively by SQLite");
		return array();
	}
	
	function DropColumnSQL($tabname, $flds)
	{
		if ($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();	
	}
	
}
?>
