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ASF GitHub Bot commented on FLINK-7337: --------------------------------------- Github user twalthr commented on a diff in the pull request: https://github.com/apache/flink/pull/4488#discussion_r131706276 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/calcite/FlinkTypeFactory.scala --- @@ -172,45 +172,20 @@ class FlinkTypeFactory(typeSystem: RelDataTypeSystem) extends JavaTypeFactoryImp * * @param fieldNames field names * @param fieldTypes field types, every element is Flink's [[TypeInformation]] - * @param rowtime optional system field to indicate event-time; the index determines the index - * in the final record. If the index is smaller than the number of specified - * fields, it shifts all following fields. - * @param proctime optional system field to indicate processing-time; the index determines the - * index in the final record. If the index is smaller than the number of - * specified fields, it shifts all following fields. * @return a struct type with the input fieldNames, input fieldTypes, and system fields */ def buildLogicalRowType( --- End diff -- Is the name of this method still correct? > 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}}. -- This message was sent by Atlassian JIRA (v6.4.14#64029)