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From wuchong <...@git.apache.org>
Subject [GitHub] flink pull request #4532: [FLINK-7337] [table] Refactor internal handling of...
Date Sun, 13 Aug 2017 12:31:27 GMT
Github user wuchong commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4532#discussion_r132841043
  
    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/StreamTableEnvironment.scala
---
    @@ -667,30 +719,62 @@ abstract class StreamTableEnvironment(
         // get CRow plan
         val plan: DataStream[CRow] = translateToCRow(logicalPlan, queryConfig)
     
    +    val rowtimeFields = logicalType
    +      .getFieldList.asScala
    +      .filter(f => FlinkTypeFactory.isRowtimeIndicatorType(f.getType))
    +
    +    // convert the input type for the conversion mapper
    +    // the input will be changed in the OutputRowtimeProcessFunction later
    +    val convType = if (rowtimeFields.size > 1) {
    +      throw new TableException(
    --- End diff --
    
    I'm fine with both current approach and use time indicator of left table as default. But
I think no exception should be thrown when writing a Table to a TableSink. But currently,
they share the same exception code path.


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