How a Boolean Expression Is Converted for Evaluation


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Programming a BEA Tuxedo Application Using FML

How a Boolean Expression Is Converted for Evaluation

To evaluate a boolean expression, the boolean compiler performs the following conversions:

It converts short and int values to longs.
It converts float and decimal values to doubles.
It converts characters to strings.
To compare a non-quoted string within a field to a numeric, it converts the string to a numeric value.
To compare a constant (that is, a quoted) string to a numeric, it converts the numeric to a string, and does a lexical comparison.
To compare a long and a double, it converts the long to a double.

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