class.ilQueryUtils.php

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<?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);

}