rbf_isEmpty()

Warning: Support for using this method with external objects (such as those mapped to external tables, to OpenEdge Service objects, or through a HDP connection) is a beta feature. This method is supported in production systems, except for external objects.

Purpose

Returns true if argument is null or empty string.

Syntax

rbf_isEmpty(arg)

Parameters

arg

The argument to be tested

Note: This API is supported in portals as well.

Example

rbf_isEmpty() -> true
      rbf_isEmpty(-1.23) -> false
      rbf_isEmpty(0) -> true
      rbf_isEmpty('') -> true
      rbf_isEmpty(false) -> true
      rbf_isEmpty("A") -> false
      rbf_isEmpty("0") -> false