anishshri-db commented on code in PR #49751:
URL: https://github.com/apache/spark/pull/49751#discussion_r1938843936
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StatefulProcessorHandleImpl.scala:
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@@ -363,18 +363,25 @@ class DriverStatefulProcessorHandleImpl(timeMode:
TimeMode, keyExprEnc: Expressi
addTimerColFamily()
}
+ private def isInternal(columnFamilyName: String): Boolean = {
+ columnFamilyName.startsWith("_") || columnFamilyName.startsWith("$")
+ }
+
def getColumnFamilySchemas(
- setNullableFields: Boolean
+ shouldCheckNullable: Boolean
): Map[String, StateStoreColFamilySchema] = {
val schemas = columnFamilySchemas.toMap
- if (setNullableFields) {
- schemas.map { case (colFamilyName, stateStoreColFamilySchema) =>
- colFamilyName -> stateStoreColFamilySchema.copy(
- valueSchema = stateStoreColFamilySchema.valueSchema.toNullable
- )
+ schemas.map { case (colFamilyName, schema) =>
+ // assert that each field is nullable if schema evolution is enabled
+ schema.valueSchema.fields.foreach { field =>
+ if (!field.nullable && shouldCheckNullable &&
!isInternal(colFamilyName)) {
Review Comment:
Why do we need to treat internal col families differently ?
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