class.ilQueryUtils.php

Go to the documentation of this file.

<?php
require_once 'Services/Database/interfaces/interface.ilQueryUtils.php';

abstract class ilQueryUtils implements ilQueryUtilsInterface
{

    protected $db_instance;


    public function __construct(ilDBInterface $ilDBInterface)
    {
        $this->db_instance = $ilDBInterface;
    }


    abstract public function in($field, $values, $negate = false, $type = "");


    abstract public function quote($value, $type = null);


    abstract public function concat(array $values, $allow_null = true);


    abstract public function locate($a_needle, $a_string, $a_start_pos = 1);


    abstract public function free(ilPDOStatement $statement);


    abstract public function quoteIdentifier($identifier);


    abstract public function createTable($name, $fields, $options = array());


    abstract public function like($column, $type, $value = "?", $case_insensitive = true);


    abstract public function now();


    abstract public function lock(array $tables);


    abstract public function unlock();


    abstract public function createDatabase($a_name, $a_charset = "utf8", $a_collation = "");
    

    abstract public function groupConcat($a_field_name, $a_seperator = ",", $a_order = null);

    
    abstract public function cast($a_field_name, $a_dest_type);
}