walterddr commented on code in PR #9554:
URL: https://github.com/apache/pinot/pull/9554#discussion_r990818168
##########
pinot-common/src/main/java/org/apache/pinot/common/function/scalar/ArrayFunctions.java:
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@@ -151,4 +151,29 @@ public static double[] arrayConcatDouble(double[] values1,
double[] values2) {
public static String[] arrayConcatString(String[] values1, String[] values2)
{
return ArrayUtils.addAll(values1, values2);
}
+
+ @ScalarFunction
+ public static int arrayElementAtInt(int[] arr, int idx) {
Review Comment:
SQL standard element access starts with 1, which is a bit confusing with
negative indexing in most language. let's leave this out for now. so although
this is a pretty common usage
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