anishshri-db commented on code in PR #47107:
URL: https://github.com/apache/spark/pull/47107#discussion_r1663048425
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBStateStoreProvider.scala:
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@@ -60,16 +61,35 @@ private[sql] class RocksDBStateStoreProvider
s"Failed to create column family with reserved_name=$colFamilyName")
verify(useColumnFamilies, "Column families are not supported in this
store")
rocksDB.createColFamilyIfAbsent(colFamilyName, isInternal)
+
+ // TODO how to efficiently guarantee there isn't any value conflict for
different key
+ def getNextRandShort: Short = {
+ (scala.util.Random.nextInt(Short.MaxValue - Short.MinValue + 1) +
Short.MinValue).toShort
+ }
+ colFamilyToIdMap.putIfAbsent(colFamilyName, getNextRandShort)
+
keyValueEncoderMap.putIfAbsent(colFamilyName,
(RocksDBStateEncoder.getKeyEncoder(keyStateEncoderSpec),
RocksDBStateEncoder.getValueEncoder(valueSchema,
useMultipleValuesPerKey)))
}
+ private def getEncodedKey(
+ keyEncoder: RocksDBKeyStateEncoder,
+ key: UnsafeRow,
+ colFamilyName: String): Array[Byte] = {
+ if (useColumnFamilies) {
+ keyEncoder.encodeKey(key, colFamilyToIdMap.get(colFamilyName))
Review Comment:
maybe we can call this directly from the places below ?
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