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https://issues.apache.org/jira/browse/FLINK-7337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16117032#comment-16117032
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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_r131718272
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/ProcTimeMaterializationSqlFunction.scala
---
@@ -22,12 +22,12 @@ import org.apache.calcite.sql.`type`._
import org.apache.calcite.sql.validate.SqlMonotonicity
/**
- * Function that materializes a time attribute to the metadata timestamp.
After materialization
- * the result can be used in regular arithmetical calculations.
+ * Function that materializes a processing time attribute.
+ * After materialization the result can be used in regular arithmetical
calculations.
*/
-object TimeMaterializationSqlFunction
+object ProcTimeMaterializationSqlFunction
--- End diff --
Should we shorten this to `ProctimeSqlFunction`?
> 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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