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ABAP Keyword Documentation →  ABAP - Reference →  Program Flow Logic →  Expressions and Functions for Conditions →  log_exp - Logical Expressions →  rel_exp - Predicates 

rel_exp - Predicate Functions

The return value of a predicate function is a logical value. A predicate function is a special formulation of a relational expression and, like any relational expression, can be a full logical expression or part of a logical expression. This means it can be specified as a condition in control statements and other statements, as an argument in Boolean functions or conditional expressions, or in joins with Boolean operators.

Other versions: 7.31 | 7.40 | 7.54


Predicate functions for character-like arguments

Predicate Functions for Table-Like Arguments