Does anyone understand why the precedence of % is strange:
test=> select -25 % -10;
?column?
----------
-35
(1 row)
test=> select -25 % (-10);
?column?
----------
-5
(1 row)
Is it treating the first as -25 - 10? Why? Why are parens necessary to
get the right answer? I see this in gram.y:
%left '+' '-'
%left '*' '/' '%'
Look at this:
test=> select -25 + -10;
?column?
----------
-35
(1 row)
test=> select -25 * -10;
?column?
----------
250
(1 row)
test=> select -25 / -10;
?column?
----------
2
(1 row)
test=> select -25 % -10;
?column?
----------
-35
(1 row)
Only the '%' case looks wrong.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
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