Jackie-Jiang commented on code in PR #12763:
URL: https://github.com/apache/pinot/pull/12763#discussion_r1548591606
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pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/index/loader/defaultcolumn/BaseDefaultColumnHandler.java:
##########
@@ -583,15 +583,31 @@ private void createDerivedColumnV1Indices(String column,
FunctionEvaluator funct
Object[] outputValues = new Object[numDocs];
PinotDataType outputValueType = null;
for (int i = 0; i < numDocs; i++) {
+ boolean hasNull = false;
for (int j = 0; j < numArguments; j++) {
inputValues[j] = valueReaders.get(j).getValue(i);
+ Object defaultNullValue =
argumentsMetadata.get(j).getFieldSpec().getDefaultNullValue();
+ if (inputValues[j] == null || inputValues[j] == defaultNullValue) {
Review Comment:
I don't think this check is necessary. When transform fails and
`errorOnFailure` is false, we can put `null` value
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/index/loader/defaultcolumn/BaseDefaultColumnHandler.java:
##########
@@ -583,15 +583,31 @@ private void createDerivedColumnV1Indices(String column,
FunctionEvaluator funct
Object[] outputValues = new Object[numDocs];
PinotDataType outputValueType = null;
for (int i = 0; i < numDocs; i++) {
+ boolean hasNull = false;
for (int j = 0; j < numArguments; j++) {
inputValues[j] = valueReaders.get(j).getValue(i);
+ Object defaultNullValue =
argumentsMetadata.get(j).getFieldSpec().getDefaultNullValue();
+ if (inputValues[j] == null || inputValues[j] == defaultNullValue) {
+ hasNull = true;
+ break;
+ }
}
- Object outputValue = functionEvaluator.evaluate(inputValues);
- outputValues[i] = outputValue;
- if (outputValueType == null) {
- Class<?> outputValueClass = outputValue.getClass();
- outputValueType = FunctionUtils.getArgumentType(outputValueClass);
- Preconditions.checkState(outputValueType != null, "Unsupported
output value class: %s", outputValueClass);
+ try {
+ Object outputValue = functionEvaluator.evaluate(inputValues);
+ outputValues[i] = outputValue;
+ if (outputValueType == null) {
+ Class<?> outputValueClass = outputValue.getClass();
+ outputValueType = FunctionUtils.getArgumentType(outputValueClass);
+ Preconditions.checkState(outputValueType != null, "Unsupported
output value class: %s", outputValueClass);
+ }
+ } catch (Exception e) {
+ if (!errorOnFailure && hasNull) {
+ LOGGER.warn("Caught exception while evaluating derived column: {}
with function: {} and arguments: {}",
Review Comment:
This can easily flood the log (one per row when an invalid transform is
provided)
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