walterddr commented on code in PR #9554:
URL: https://github.com/apache/pinot/pull/9554#discussion_r990215867
##########
pinot-core/src/test/java/org/apache/pinot/core/operator/transform/function/ScalarTransformFunctionWrapperTest.java:
##########
@@ -865,6 +866,91 @@ public void testConcatStringTransformFunction() {
testTransformFunctionMV(transformFunction, expectedValues);
}
+ @Test
+ public void testArrayElementAtInt() {
+ Random rand = new Random(42);
+ int index = 1 + rand.nextInt(_mvColumnLength);
+ ExpressionContext expression = RequestContextUtils.getExpression(
+ String.format("array_element_at_int(%s, %d)", INT_MV_COLUMN, index));
+ TransformFunction transformFunction =
TransformFunctionFactory.get(expression, _dataSourceMap);
+ assertTrue(transformFunction instanceof ScalarTransformFunctionWrapper);
+ assertEquals(transformFunction.getResultMetadata().getDataType(),
DataType.INT);
+ assertTrue(transformFunction.getResultMetadata().isSingleValue());
+ int[] expectedValues = new int[NUM_ROWS];
+ for (int i = 0; i < NUM_ROWS; i++) {
+ expectedValues[i] = _intMVValues[i][index];
+ }
+ testTransformFunction(transformFunction, expectedValues);
+ }
+
+ @Test
+ public void testArrayElementAtLong() {
+ Random rand = new Random(42);
+ int index = 1 + rand.nextInt(_mvColumnLength);
+ ExpressionContext expression = RequestContextUtils.getExpression(
+ String.format("array_element_at_long(%s, %d)", LONG_MV_COLUMN, index));
+ TransformFunction transformFunction =
TransformFunctionFactory.get(expression, _dataSourceMap);
+ assertTrue(transformFunction instanceof ScalarTransformFunctionWrapper);
+ assertEquals(transformFunction.getResultMetadata().getDataType(),
DataType.LONG);
+ assertTrue(transformFunction.getResultMetadata().isSingleValue());
+ long[] expectedValues = new long[NUM_ROWS];
+ for (int i = 0; i < NUM_ROWS; i++) {
+ expectedValues[i] = _longMVValues[i][index];
+ }
+ testTransformFunction(transformFunction, expectedValues);
+ }
+
+ @Test
+ public void testArrayElementAtFloat() {
+ Random rand = new Random(42);
+ int index = 1 + rand.nextInt(_mvColumnLength);
+ ExpressionContext expression = RequestContextUtils.getExpression(
+ String.format("array_element_at_float(%s, %d)", FLOAT_MV_COLUMN,
index));
+ TransformFunction transformFunction =
TransformFunctionFactory.get(expression, _dataSourceMap);
+ assertTrue(transformFunction instanceof ScalarTransformFunctionWrapper);
+ assertEquals(transformFunction.getResultMetadata().getDataType(),
DataType.FLOAT);
+ assertTrue(transformFunction.getResultMetadata().isSingleValue());
+ float[] expectedValues = new float[NUM_ROWS];
+ for (int i = 0; i < NUM_ROWS; i++) {
+ expectedValues[i] = _floatMVValues[i][index];
+ }
+ testTransformFunction(transformFunction, expectedValues);
+ }
+
+ @Test
+ public void testArrayElementAtDouble() {
+ Random rand = new Random(42);
+ int index = 1 + rand.nextInt(_mvColumnLength);
+ ExpressionContext expression = RequestContextUtils.getExpression(
+ String.format("array_element_at_double(%s, %d)", DOUBLE_MV_COLUMN,
index));
Review Comment:
```suggestion
int index = rand.nextInt(_mvColumnLength);
ExpressionContext expression = RequestContextUtils.getExpression(
String.format("array_element_at_double(%s, %d)", DOUBLE_MV_COLUMN,
index + 1));
```
##########
pinot-core/src/test/java/org/apache/pinot/core/operator/transform/function/ScalarTransformFunctionWrapperTest.java:
##########
@@ -865,6 +866,91 @@ public void testConcatStringTransformFunction() {
testTransformFunctionMV(transformFunction, expectedValues);
}
+ @Test
+ public void testArrayElementAtInt() {
+ Random rand = new Random(42);
+ int index = 1 + rand.nextInt(_mvColumnLength);
+ ExpressionContext expression = RequestContextUtils.getExpression(
+ String.format("array_element_at_int(%s, %d)", INT_MV_COLUMN, index));
+ TransformFunction transformFunction =
TransformFunctionFactory.get(expression, _dataSourceMap);
+ assertTrue(transformFunction instanceof ScalarTransformFunctionWrapper);
+ assertEquals(transformFunction.getResultMetadata().getDataType(),
DataType.INT);
+ assertTrue(transformFunction.getResultMetadata().isSingleValue());
+ int[] expectedValues = new int[NUM_ROWS];
+ for (int i = 0; i < NUM_ROWS; i++) {
+ expectedValues[i] = _intMVValues[i][index];
+ }
+ testTransformFunction(transformFunction, expectedValues);
+ }
+
+ @Test
+ public void testArrayElementAtLong() {
+ Random rand = new Random(42);
+ int index = 1 + rand.nextInt(_mvColumnLength);
+ ExpressionContext expression = RequestContextUtils.getExpression(
+ String.format("array_element_at_long(%s, %d)", LONG_MV_COLUMN, index));
+ TransformFunction transformFunction =
TransformFunctionFactory.get(expression, _dataSourceMap);
+ assertTrue(transformFunction instanceof ScalarTransformFunctionWrapper);
+ assertEquals(transformFunction.getResultMetadata().getDataType(),
DataType.LONG);
+ assertTrue(transformFunction.getResultMetadata().isSingleValue());
+ long[] expectedValues = new long[NUM_ROWS];
+ for (int i = 0; i < NUM_ROWS; i++) {
+ expectedValues[i] = _longMVValues[i][index];
+ }
+ testTransformFunction(transformFunction, expectedValues);
+ }
+
+ @Test
+ public void testArrayElementAtFloat() {
+ Random rand = new Random(42);
+ int index = 1 + rand.nextInt(_mvColumnLength);
+ ExpressionContext expression = RequestContextUtils.getExpression(
+ String.format("array_element_at_float(%s, %d)", FLOAT_MV_COLUMN,
index));
Review Comment:
```suggestion
int index = rand.nextInt(_mvColumnLength);
ExpressionContext expression = RequestContextUtils.getExpression(
String.format("array_element_at_float(%s, %d)", FLOAT_MV_COLUMN,
index + 1));
```
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