ColsMeta.getForeignKey()

ColsMeta.getForeignKey()

Gets column references to the foreign key(s) of this column, if this column is of a lookup data source.

Returns an array.

Syntax

$.udbMeta( ds ).cols( cols ).getForeignKey()

The optional ds is a data source selector. The optional cols is a column selector.

Example

if (!isMandatory && $.udb(dsId).isLookup())
  isMandatory = $.udbMeta(dsId).cols(column).getForeignKey()[0].isMandatory();