Description:
Get the
formatted value of a scalar expression, evaluated from the current row buffer, field or parameter.
The value is formatted into a CHARACTER string using the appropriate external format
specifier.
Remember that parameter and column identifiers correspond to valid expressions.
Invocation
CALL CAT_EGT0F (GI; VALUE, NULFLG; STATUS)
Arguments
GI =
INTEGER (Given)
Identifier for either an expression, field or parameter.
VALUE =
CHARACTER()
(Returned)
Value to which the expression evaluates for the current
row buffer. If the expression evaluates to null the string returned is
’null’
if VALUE contains six or more characters, otherwise it is ’?’.
NULFLG = LOGICAL
(Returned)
A flag indicating whether or not the expression evaluates to the null value or not:
.TRUE. - The expression is null, .FALSE. - The expression is not null; a genuine value is
available.
STATUS = INTEGER (Given and Returned)
The global status.
Copyright
Copyright (C) 1999 Central Laboratory of the Research Councils
Bugs:
None known