anishshri-db commented on code in PR #47574:
URL: https://github.com/apache/spark/pull/47574#discussion_r1735435204
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/state/utils/SchemaUtil.scala:
##########
@@ -30,4 +37,122 @@ object SchemaUtil {
"schema" -> schema.toString()))
}
}
+
+ private def generateSchemaForStateVar(
+ stateVarInfo: TransformWithStateVariableInfo,
+ stateStoreColFamilySchema: StateStoreColFamilySchema): StructType = {
+ val stateVarType = stateVarInfo.stateVariableType
+ val hasTTLEnabled = stateVarInfo.ttlEnabled
+
+ stateVarType match {
+ case StateVariableType.ValueState =>
+ if (hasTTLEnabled) {
+ val ttlValueSchema = SchemaUtil.getSchemaAsDataType(
+ stateStoreColFamilySchema.valueSchema,
"value").asInstanceOf[StructType]
+ new StructType()
+ .add("key", stateStoreColFamilySchema.keySchema)
+ .add("value", ttlValueSchema)
+ .add("expiration_timestamp", LongType)
+ .add("partition_id", IntegerType)
+ } else {
+ new StructType()
+ .add("key", stateStoreColFamilySchema.keySchema)
+ .add("value", stateStoreColFamilySchema.valueSchema)
+ .add("partition_id", IntegerType)
+ }
+
+ case _ =>
+ throw StateDataSourceErrors.internalError(s"Unsupported state variable
type $stateVarType")
+ }
+ }
+
+ def getSourceSchema(
+ sourceOptions: StateSourceOptions,
+ keySchema: StructType,
+ valueSchema: StructType,
+ transformWithStateVariableInfoOpt:
Option[TransformWithStateVariableInfo],
+ stateStoreColFamilySchemaOpt: Option[StateStoreColFamilySchema]):
StructType = {
+ if (sourceOptions.readChangeFeed) {
Review Comment:
Yea not supported currently. We will support it eventually. Added the block
for now and corresponding tests
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