Jackie-Jiang commented on code in PR #9554:
URL: https://github.com/apache/pinot/pull/9554#discussion_r990523326
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pinot-core/src/test/java/org/apache/pinot/core/operator/transform/function/BaseTransformFunctionTest.java:
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@@ -109,6 +109,7 @@ public abstract class BaseTransformFunctionTest {
protected Map<String, DataSource> _dataSourceMap;
protected ProjectionBlock _projectionBlock;
+ protected int _mvColumnLength;
Review Comment:
(minor) `_numMVValues`
##########
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:
We might want to support negative index (from the last element)
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