neilramaswamy commented on code in PR #48853:
URL: https://github.com/apache/spark/pull/48853#discussion_r1847365008
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StateTypesEncoderUtils.scala:
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@@ -239,37 +240,15 @@ class CompositeKeyStateEncoder[K, V](
}
/** Class for TTL with single key serialization */
-class SingleKeyTTLEncoder(
- keyExprEnc: ExpressionEncoder[Any]) {
-
- private val ttlKeyProjection = UnsafeProjection.create(
- getSingleKeyTTLRowSchema(keyExprEnc.schema))
-
- def encodeTTLRow(expirationMs: Long, groupingKey: UnsafeRow): UnsafeRow = {
- ttlKeyProjection.apply(
- InternalRow(expirationMs, groupingKey.asInstanceOf[InternalRow]))
- }
-}
-
-/** Class for TTL with composite key serialization */
-class CompositeKeyTTLEncoder[K](
- keyExprEnc: ExpressionEncoder[Any],
- userKeyEnc: ExpressionEncoder[Any]) {
+class TTLEncoder(schema: StructType) {
Review Comment:
note from @anishshri-db: we can move to `TTLState`
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