Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3771#discussion_r113443466
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/CodeGenerator.scala
---
@@ -296,6 +297,41 @@ class CodeGenerator(
fields.mkString(", ")
}
+def genInitialize(existDistinct : Boolean): String = {
+
+ val sig: String =
+ j"""
+ | org.apache.flink.api.common.state.MapState[] distStateList =
+ | new org.apache.flink.api.common.state.MapState[
${distinctAggsFlags.size} ];
+ |
+ | public void initialize(
+ | org.apache.flink.api.common.functions.RuntimeContext ctx
+ | )""".stripMargin
+ if(existDistinct){
--- End diff --
I think this check and the `existDistinct` can be removed. If all fields
are `false`, we won't generate anything.
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