Cols.type()

note

This article is about the type() function of the Cols object.

Cols.type()

Gets a type indication for the first column in scope.

Returns a string, or undefined as follows:

Value	Type of column
'C'	Column declared in Definer with Type = Database, or a column of a variable data source.
'E'	Column of an embedded data source
'O'	Column of an output expression
undefined	Column declared in Definer with Type = Virtual

Syntax

$.udb( *ds* ).cols( [columns] ).type()

The required ds parameter is a data source selector.

The optional columns is a column selector. If omitted, all columns in scope are selected.

Example

let colType = $.udb('EMP').cols('EMPLOYEE_ID').type();