datadict-sqlite.inc.php

Go to the documentation of this file.

<?php

// 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, $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();
    }

}