anishshri-db commented on code in PR #45991:
URL: https://github.com/apache/spark/pull/45991#discussion_r1569193194
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StateTypesEncoderUtils.scala:
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@@ -192,6 +195,28 @@ class CompositeKeyStateEncoder[GK, K, V](
compositeKeyRow
}
+ def decodeUserKeyFromTTLRow(row: CompositeKeyTTLRow): K = {
+ val bytes = row.userKey
+ reusedKeyRow.pointTo(bytes, bytes.length)
+ val userKey = userKeyRowToObjDeserializer.apply(reusedKeyRow)
+ userKey
+ }
+
+ /**
+ * Grouping key and user key are encoded as a row of
`schemaForCompositeKeyRow` schema.
+ * Grouping key will be encoded in `RocksDBStateEncoder` as the prefix
column.
+ */
+ def encodeCompositeKey(
+ groupingKeyByteArr: Array[Byte],
Review Comment:
nit: indent spacing needs to be 4 spaces ?
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