code/libraries/joomlatools/library/database/table/abstract.php
public function setDefault($column, $value)
    {
        $defaults = $this->getDefaults();

        if(isset($defaults[$column])) {
            $this->_defaults[$column] = $value;
        }

        return $this;
    }
public function setDefault($column, $value)
    {
        $defaults = $this->getDefaults();

        if(isset($defaults[$column])) {
            $this->_defaults[$column] = $value;
        }

        return $this;
    }
public function setDefault ( $ column , $ value ) { $ defaults = $ this -> getDefaults ( ) ; if ( isset ( $ defaults [ $ column ] ) ) { $ this -> _defaults [ $ column ] = $ value ; } return $ this ; }
Set a default value for a column

@param string   $column The name of the column
@param string   $value The value for the column
@return KDatabaseTableAbstract
Set a default value for a column