anishshri-db commented on code in PR #44883:
URL: https://github.com/apache/spark/pull/44883#discussion_r1470251048
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/HDFSBackedStateStoreProvider.scala:
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@@ -256,8 +256,7 @@ private[sql] class HDFSBackedStateStoreProvider extends
StateStoreProvider with
// TODO: add support for multiple col families with
HDFSBackedStateStoreProvider
if (useColumnFamilies) {
- throw new UnsupportedOperationException("Multiple column families are
not supported with " +
- s"HDFSBackedStateStoreProvider")
+ throw StateStoreErrors.multipleColumnFamilies("HDFSStateStoreProvider")
Review Comment:
Maybe rephrase as `multipleColumnFamiliesNotSupported` ?
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