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There was just a post about using NOT and IN in a logical test - 2 of us
responded to add parentheses.
So I did look up operator precedence in the ILE RPG Reference and found
this list -
The following list indicates the precedence of operations from highest
to lowest:
1. ()
2. Built-in functions, user-defined functions
3. unary +, unary -, NOT
4. **
5. *, /
6. binary +, binary -
7. =, <>, >, >=, <, <=, IN
8. AND
9. OR
Higher precedence are done before lower. Operations at the same level
are done left to right, except **, it says.
BTW, an expression like this, putting NOT with IN -
IF FV(i).data_type NOT IN %list('NUMERIC' :'CHAR');
is not valid in RPG, while it IS valid in SQL, IIRC.
Regards
Vern
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