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https://issues.apache.org/jira/browse/FLINK-7337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16124909#comment-16124909
 ] 

ASF GitHub Bot commented on FLINK-7337:
---------------------------------------

Github user wuchong commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4532#discussion_r132839934
  
    --- Diff: 
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/conversion/CRowToJavaTupleMapRunner.scala
 ---
    @@ -16,32 +16,32 @@
      * limitations under the License.
      */
     
    -package org.apache.flink.table.runtime
    +package org.apache.flink.table.runtime.conversion
     
     import java.lang.{Boolean => JBool}
     
     import org.apache.flink.api.common.functions.{MapFunction, RichMapFunction}
     import org.apache.flink.api.common.typeinfo.TypeInformation
    +import org.apache.flink.api.java.tuple.{Tuple2 => JTuple2}
     import org.apache.flink.api.java.typeutils.ResultTypeQueryable
     import org.apache.flink.configuration.Configuration
     import org.apache.flink.table.codegen.Compiler
     import org.apache.flink.table.runtime.types.CRow
     import org.apache.flink.types.Row
    -import org.slf4j.LoggerFactory
    -import org.apache.flink.api.java.tuple.{Tuple2 => JTuple2}
    +import org.slf4j.{Logger, LoggerFactory}
     
     /**
    -  * Convert [[CRow]] to a [[JTuple2]]
    +  * Convert [[CRow]] to a [[JTuple2]].
       */
    -class CRowInputJavaTupleOutputMapRunner(
    +class CRowToJavaTupleMapRunner(
         name: String,
         code: String,
         @transient var returnType: TypeInformation[JTuple2[JBool, Any]])
       extends RichMapFunction[CRow, Any]
               with ResultTypeQueryable[JTuple2[JBool, Any]]
               with Compiler[MapFunction[Row, Any]] {
    --- End diff --
    
    indent


> Refactor handling of time indicator attributes
> ----------------------------------------------
>
>                 Key: FLINK-7337
>                 URL: https://issues.apache.org/jira/browse/FLINK-7337
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API & SQL
>    Affects Versions: 1.4.0
>            Reporter: Fabian Hueske
>            Assignee: Fabian Hueske
>
> After a [discussion on the dev mailing 
> list|https://lists.apache.org/thread.html/735d55f9022df8ff73566a9f1553e14be94f8443986ad46559b35869@%3Cdev.flink.apache.org%3E]
>  I propose the following changes to the current handling of time indicator 
> attributes:
> * Remove the separation of logical and physical row type.
> ** Hold the event-time timestamp as regular Long field in Row
> ** Represent the processing-time indicator type as a null-valued field in Row 
> (1 bit overhead)
> * Remove materialization of event-time timestamps because timestamp is 
> already accessible in Row.
> * Add {{ProcessFunction}} to set timestamp into the timestamp field of a 
> {{StreamRecord}}.



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