richardstartin commented on a change in pull request #8304:
URL: https://github.com/apache/pinot/pull/8304#discussion_r820497440
##########
File path:
pinot-common/src/main/java/org/apache/pinot/common/function/scalar/ArithmeticFunctions.java
##########
@@ -104,4 +111,30 @@ public static double ln(double a) {
public static double sqrt(double a) {
return Math.sqrt(a);
}
+
+ @ScalarFunction
+ public static double sign(double a) {
+ return Math.signum(a);
+ }
+
+ @ScalarFunction
+ public static double pi() { return Math.PI; }
+
+ @ScalarFunction
+ public static double e() { return Math.E; }
+
+ @ScalarFunction
+ public static double power(double a, double b) {
+ return Math.pow(a, b);
+ }
+
+ @ScalarFunction
+ public static double log(double a) {
+ return Math.log10(a);
+ }
Review comment:
`@ScalarFunction` is convenient but inefficient. These operations can
all be autovectorized, but only if they are implemented as
`TransformFunction`s.
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