xiangfu0 commented on code in PR #11848:
URL: https://github.com/apache/pinot/pull/11848#discussion_r1369272470
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pinot-core/src/test/java/org/apache/pinot/core/operator/transform/function/TupleSelectionTransformFunctionsTest.java:
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@@ -323,7 +323,7 @@ public void testGreatestTransformFunctionIntFloat() {
assertEquals(transformFunction.getResultMetadata().getDataType(),
FieldSpec.DataType.DOUBLE);
double[] doubleValues =
transformFunction.transformToDoubleValuesSV(_projectionBlock);
for (int i = 0; i < NUM_ROWS; i++) {
- assertEquals(doubleValues[i], Math.max(Math.max(_intSVValues[i], -1),
_doubleSVValues[i]));
+ assertEquals(doubleValues[i], Math.max(Math.max(_intSVValues[i], -1),
Double.valueOf(_floatSVValues[i])));
Review Comment:
This is due to how we generate the float and double values,
```
_intSVValues[i] = RANDOM.nextInt();
_longSVValues[i] = RANDOM.nextLong();
_floatSVValues[i] = _intSVValues[i] * RANDOM.nextFloat();
_doubleSVValues[i] = _intSVValues[i] * RANDOM.nextDouble();
```
So `max(_intSVValues[i], -1, _floatSVValues[i])` should be:
`int` if `int >= 0`
when int<0, since the absolute value is very large, the only possibility is
that the random double is very small, which makes the double value fall into
the range of [-1 ,0]
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