[GitHub] [flink] wuchong commented on a diff in pull request #19851: [FLINK-20765][table-planner] Make all expressions use the result type passed in instead of inferring it again in OperatorGen to avoid potential type missmatch

[GitBox]

wuchong commented on code in PR #19851:
URL: https://github.com/apache/flink/pull/19851#discussion_r899829796


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flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/codegen/calls/ScalarOperatorGens.scala:
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@@ -313,6 +313,7 @@ object ScalarOperatorGens {
   def generateUnaryIntervalPlusMinus(
       ctx: CodeGeneratorContext,
       plus: Boolean,
+      resultType: LogicalType,
       operand: GeneratedExpression): GeneratedExpression = {
     val operator = if (plus) "+" else "-"
     generateUnaryArithmeticOperator(ctx, operator, operand.resultType, operand)

Review Comment:
   Use the `resultType` parameter? 



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