bvaradar commented on a change in pull request #862: Add support for composite
key
URL: https://github.com/apache/incubator-hudi/pull/862#discussion_r327588386
##########
File path:
hudi-utilities/src/main/java/org/apache/hudi/utilities/keygen/TimestampBasedKeyGenerator.java
##########
@@ -102,7 +109,12 @@ public HoodieKey getKey(GenericRecord record) {
"Unexpected type for partition field: " +
partitionVal.getClass().getName());
}
- return new HoodieKey(DataSourceUtils.getNestedFieldValAsString(record,
recordKeyField),
+ return new HoodieKey(
+ fields.stream()
+ .map(
+ recordKeyField ->
+ DataSourceUtils.getNestedFieldValAsString(record,
recordKeyField))
+ .collect(Collectors.joining(".")),
Review comment:
Makes sense @jaimin-shah. Didn't think about this possibility. @afilipchik :
Based on this information, this may not be safe in general sense.
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