sahnib commented on code in PR #44961:
URL: https://github.com/apache/spark/pull/44961#discussion_r1483629394
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBStateStoreProvider.scala:
##########
@@ -65,6 +65,43 @@ private[sql] class RocksDBStateStoreProvider
value
}
+ override def valuesIterator(key: UnsafeRow, colFamilyName: String):
Iterator[UnsafeRow] = {
+ verify(key != null, "Key cannot be null")
+ verify(encoder.supportsMultipleValuesPerKey, "valuesIterator requires a
encoder " +
+ "that supports multiple values for a single key.")
+ val valueIterator =
encoder.decodeValues(rocksDB.get(encoder.encodeKey(key), colFamilyName))
+
+ if (!isValidated && valueIterator.nonEmpty) {
Review Comment:
Current logic for validation only tests the first key/value pair (I am not
aware of the historical reasoning behind this). The code change just preserves
this functionality.
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBStateStoreProvider.scala:
##########
@@ -65,6 +65,43 @@ private[sql] class RocksDBStateStoreProvider
value
}
+ override def valuesIterator(key: UnsafeRow, colFamilyName: String):
Iterator[UnsafeRow] = {
+ verify(key != null, "Key cannot be null")
+ verify(encoder.supportsMultipleValuesPerKey, "valuesIterator requires a
encoder " +
+ "that supports multiple values for a single key.")
+ val valueIterator =
encoder.decodeValues(rocksDB.get(encoder.encodeKey(key), colFamilyName))
+
+ if (!isValidated && valueIterator.nonEmpty) {
+ new Iterator[UnsafeRow] {
+ override def hasNext: Boolean = {
+ valueIterator.hasNext
+ }
+
+ override def next(): UnsafeRow = {
+ val value = valueIterator.next()
+ if (!isValidated && value != null) {
Review Comment:
Current logic for validation only tests the first key/value pair (I am not
aware of the historical reasoning behind this). The code change just preserves
this functionality.
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