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);
}