Data Transformation Engine Functions and Expressions Reference Guide

Chapter 5 - Reserved Words and Symbols Reserved Words and Symbols
Functions and Expressions Reference Guide
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Reserved Word
or Symbol Intended Use
Function names Names of functions may be used as type names,
but cannot be used as map names. For a complete
list of functions, see Chapter 2 - Using Functions.
<symbol> Symbol abbreviations for entering non-printable
characters. For a complete list of these reserved
values, see Appendix A - Hex, Decimal, and
Mercator Symbol Values.
Operators Operators are reserved. For a complete list of
operators, see Chapter 1 - Expressions and
Evaluations.
ANY Represents one or more types, in a component
name.
Note ANY cannot be used in component rules or
map rules.
COMPONENT Refers to all components preceding the current
one in the same component list. Used only in the
Type Designer to refer to preceding components
of the same component list.
This reserved word can only follow the reserved
word IN. For example:
COUNT (Record IN COMPONENT)
FALSE Represents the logical false.
IN Separates a component from an object it contains.
For example, LineItem IN File refers to all
occurrences of the type LineItem in the type
File.
LAST Special index value that refers to the last data
object of a particular series.
NONE Represents the absence or non-existence of data.
Used in a component rule to test the existence of
data content. Used in a map rule to generate no
occurrences of an output.