danny0405 commented on code in PR #11146:
URL: https://github.com/apache/hudi/pull/11146#discussion_r1610823837
##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadataWriter.java:
##########
@@ -410,6 +413,14 @@ private boolean initializeFromFilesystem(String
initializationTime, List<Metadat
}
fileGroupCountAndRecordsPair =
initializePartitionStatsIndex(partitionInfoList);
break;
+ case SECONDARY_INDEX:
+ Set<String> secondaryIndexPartitionsToInit =
getSecondaryIndexPartitionsToInit();
+ if (secondaryIndexPartitionsToInit.isEmpty()) {
+ continue;
+ }
+ ValidationUtils.checkState(secondaryIndexPartitionsToInit.size()
== 1, "Only one secondary index at a time is supported for now");
Review Comment:
> but can only create one at a time using sql due to limitation of sql
grammar.
Reasonable, but it also looks like we only allow one index for MDT
bootstrap, is this expected?
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