jingz-db commented on code in PR #47107:
URL: https://github.com/apache/spark/pull/47107#discussion_r1664823721
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBStateEncoder.scala:
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@@ -185,19 +216,44 @@ class PrefixKeyScanStateEncoder(
restoreKeyProjection(joinedRowOnKey.withLeft(prefixKeyDecoded).withRight(remainingKeyDecoded))
}
+ override def decodeKey(
+ keyBytes: Array[Byte],
+ hasVirtualColFamilyPrefix: Boolean = false): UnsafeRow = {
+ decodeKeyWithColFamilyPrefix(keyBytes, hasVirtualColFamilyPrefix)
+ }
+
private def extractPrefixKey(key: UnsafeRow): UnsafeRow = {
prefixKeyProjection(key)
}
- override def encodePrefixKey(prefixKey: UnsafeRow): Array[Byte] = {
+ private def encodePrefixKeyWithColFamilyPrefix(
+ prefixKey: UnsafeRow,
+ hasVirtualColFamilyPrefix: Boolean = false,
+ colFamilyId: Long = -1L): Array[Byte] = {
+ val offSetForColFamilyPrefix = if (hasVirtualColFamilyPrefix) 8 else 0
+
val prefixKeyEncoded = encodeUnsafeRow(prefixKey)
- val prefix = new Array[Byte](prefixKeyEncoded.length + 4)
- Platform.putInt(prefix, Platform.BYTE_ARRAY_OFFSET,
prefixKeyEncoded.length)
+ val prefix = new Array[Byte](
+ prefixKeyEncoded.length + 4 + offSetForColFamilyPrefix)
+ if (hasVirtualColFamilyPrefix) {
+ Platform.putLong(prefix, Platform.BYTE_ARRAY_OFFSET, colFamilyId)
Review Comment:
Use `Short` instead of `Long` as VCF id.
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