public function insertInto($tableName)
    {
        $this->_queryType = self :: INSERT;
        $this->_insert    = $tableName;

        return $this;
    }
public function insertInto($tableName)
    {
        $this->_queryType = self :: INSERT;
        $this->_insert    = $tableName;

        return $this;
    }
public function insertInto ( $ tableName ) { $ this -> _queryType = self :: INSERT ; $ this -> _insert = $ tableName ; return $ this ; }
Configure object for INSERT query
and set the main table name

@param $tableName

@return $this
Configure object for INSERT query and set the main table name