Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3808#discussion_r114899203
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/dataset/DataSetCalc.scala
---
@@ -83,24 +86,28 @@ class DataSetCalc(
val inputDS =
getInput.asInstanceOf[DataSetRel].translateToPlan(tableEnv)
- val returnType = FlinkTypeFactory.toInternalRowTypeInfo(getRowType)
-
val generator = new CodeGenerator(config, false, inputDS.getType)
+ val rowTypeInfo =
FlinkTypeFactory.toInternalRowTypeInfo(getRowType).asInstanceOf[RowTypeInfo]
+
val body = functionBody(
generator,
- inputDS.getType,
- getRowType,
+ new RowSchema(getInput.getRowType),
+ new RowSchema(getRowType),
calcProgram,
config)
val genFunction = generator.generateFunction(
ruleDescription,
classOf[FlatMapFunction[Row, Row]],
body,
- returnType)
+ rowTypeInfo)
+
+ val runner = new FlatMapRunner[Row, Row](
--- End diff --
why not keeping `calcMapFunction`? It should do the same.
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