jackjlli commented on a change in pull request #4463: Ensuring partition config
is valid during Hadoop preprocess
URL: https://github.com/apache/incubator-pinot/pull/4463#discussion_r306522140
##########
File path:
pinot-hadoop/src/main/java/org/apache/pinot/hadoop/job/SegmentPreprocessingJob.java
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@@ -286,6 +287,12 @@ private void validateConfigsAgainstSchema(Schema schema) {
.format("Partition column: %s is not found from the schema of input
files.", _partitionColumn));
Preconditions.checkArgument(_numberOfPartitions > 0,
String.format("Number of partitions should be positive. Current value: %s",
_numberOfPartitions));
Preconditions.checkArgument(_partitionFunction != null, "Partition
function should not be null!");
+ try {
+
PartitionFunctionFactory.PartitionFunctionType.fromString(_partitionFunction);
+ } catch (IllegalArgumentException e) {
+ _logger.info("Partition function needs to be one of Modulo, Murmur,
ByteArray, HashCode");
Review comment:
It'd be good to print out the current value of the setting in the exception
message.
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