Creates a new column pair element.
Parameters: localColumn - local column of this column pair Parameters: referencedColumn - referenced column of this column pair Parameters: declaringTable - declaring table of this column pair, or null
Creates a new column pair element.
Parameters: impl - the pluggable implementation Parameters: localColumn - local column of this column pair Parameters: referencedColumn - referenced column of this column pair Parameters: declaringTable - declaring table of this column pair, or null