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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2021/11/25 10:05:46 UTC

[GitHub] [flink] slinkydeveloper opened a new pull request #17906: [hotfix][table-common] Replace DataType.projectFields with Projection type

slinkydeveloper opened a new pull request #17906:
URL: https://github.com/apache/flink/pull/17906


   ## What is the purpose of the change
   
   [FLINK-24399](https://issues.apache.org/jira/browse/FLINK-24399) introduced new methods to perform data types projections in `DataType`. **Note**: no release included such changes.
   
   [FLINK-24776](https://issues.apache.org/jira/browse/FLINK-24776) introduced a new, more powerful, type to perform operations on projections, that is project types, but also difference and complement.
   
   In spite of avoiding to provide different entrypoints for the same functionality, this PR cleanups the new methods introduced by FLINK-24399 and replaces them with the new `Projection` type. It also deprecates the old methods in `DataTypeUtils` for cleanup in future releases.
   
   ## Brief change log
   
   * Replace every usage of `DataType#projectFields` and `DataTypeUtils#projectRow` with the new `Projection` type 
   * Remove `DataType#projectFields`
   * Deprecate `DataTypeUtils#projectRow`
   
   ## Verifying this change
   
   This change is a trivial rework / code cleanup without any test coverage.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): no
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no
     - The serializers: no
     - The runtime per-record code paths (performance sensitive): no
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
     - The S3 file system connector: no
   
   ## Documentation
   
     - Does this pull request introduce a new feature? no
     - If yes, how is the feature documented? not applicable
   


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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   ## CI report:
   
   * d0e07dd6fdc13bd6be1dffebe8e0722de923f77b Azure: [FAILURE](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=27059) 
   * 13c8b90d507dae4c18dce9be92f47fadcb58eb6e Azure: [PENDING](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=27276) 
   
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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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   ## CI report:
   
   * d0e07dd6fdc13bd6be1dffebe8e0722de923f77b Azure: [FAILURE](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=27059) 
   
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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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   ## CI report:
   
   * d93c12d85edaec4c6cee2337756209b6a5ec2744 Azure: [FAILURE](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=27283) 
   
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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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   * d93c12d85edaec4c6cee2337756209b6a5ec2744 Azure: [PENDING](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=27283) 
   
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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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   ## CI report:
   
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   * 13c8b90d507dae4c18dce9be92f47fadcb58eb6e Azure: [PENDING](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=27276) 
   
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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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   ## CI report:
   
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   * d93c12d85edaec4c6cee2337756209b6a5ec2744 UNKNOWN
   
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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot commented on pull request #17906: [hotfix][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot commented on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] twalthr closed pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
twalthr closed pull request #17906:
URL: https://github.com/apache/flink/pull/17906


   


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] slinkydeveloper commented on a change in pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
slinkydeveloper commented on a change in pull request #17906:
URL: https://github.com/apache/flink/pull/17906#discussion_r759172992



##########
File path: flink-table/flink-table-common/src/main/java/org/apache/flink/table/connector/Projection.java
##########
@@ -39,9 +49,24 @@
     // sealed class
     private Projection() {}
 
-    /** Project the provided {@link DataType} using this {@link Projection}. */
+    /**
+     * Projects a (possibly nested) row data type by returning a new data type that only includes
+     * fields of the given index paths.
+     *
+     * <p>Note on naming: Sometimes, it may get name conflicts when extract fields from the row

Review comment:
       I reworded this comment to explain it better, wdyt?




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[GitHub] [flink] twalthr commented on a change in pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
twalthr commented on a change in pull request #17906:
URL: https://github.com/apache/flink/pull/17906#discussion_r759206106



##########
File path: flink-table/flink-table-common/src/main/java/org/apache/flink/table/connector/Projection.java
##########
@@ -39,9 +49,24 @@
     // sealed class
     private Projection() {}
 
-    /** Project the provided {@link DataType} using this {@link Projection}. */
+    /**
+     * Projects a (possibly nested) row data type by returning a new data type that only includes
+     * fields of the given index paths.
+     *
+     * <p>Note on naming: Sometimes, it may get name conflicts when extract fields from the row

Review comment:
       perfect, thanks :) 




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[GitHub] [flink] flinkbot commented on pull request #17906: [hotfix][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot commented on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979057528


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [hotfix][table-common] Replace DataType.projectFields with Projection type

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flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] twalthr commented on a change in pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
twalthr commented on a change in pull request #17906:
URL: https://github.com/apache/flink/pull/17906#discussion_r759119994



##########
File path: flink-table/flink-table-common/src/main/java/org/apache/flink/table/connector/Projection.java
##########
@@ -39,9 +49,24 @@
     // sealed class
     private Projection() {}
 
-    /** Project the provided {@link DataType} using this {@link Projection}. */
+    /**
+     * Projects a (possibly nested) row data type by returning a new data type that only includes
+     * fields of the given index paths.
+     *
+     * <p>Note on naming: Sometimes, it may get name conflicts when extract fields from the row

Review comment:
       Could we fit the grammar in this doc for a `@PublicEvolving` interface?




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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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[GitHub] [flink] flinkbot edited a comment on pull request #17906: [FLINK-25060][table-common] Replace DataType.projectFields with Projection type

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #17906:
URL: https://github.com/apache/flink/pull/17906#issuecomment-979056025


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