[GitHub] flink pull request: [FLINK-3486] [tableAPI] Fix broken renaming of...

[fhueske]

Github user fhueske closed the pull request at:

https://github.com/apache/flink/pull/1738


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[GitHub] flink pull request: [FLINK-3486] [tableAPI] Fix broken renaming of...

[fhueske]

Github user fhueske commented on the pull request:

https://github.com/apache/flink/pull/1738#issuecomment-191670391
  
Merged to `tableOnCalcite`


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[GitHub] flink pull request: [FLINK-3486] [tableAPI] Fix broken renaming of...

[fhueske]

Github user fhueske commented on the pull request:

https://github.com/apache/flink/pull/1738#issuecomment-191502994
  
Will merge this to `tableOnCalcite` branch.


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[GitHub] flink pull request: [FLINK-3486] [tableAPI] Fix broken renaming of...

[fhueske]

Github user fhueske commented on the pull request:

https://github.com/apache/flink/pull/1738#issuecomment-190276423
  
I fixed the failing tests.


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[GitHub] flink pull request: [FLINK-3486] [tableAPI] Fix broken renaming of...

[fhueske]

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

https://github.com/apache/flink/pull/1738#discussion_r54430812
  
--- Diff: 
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/table.scala
 ---
@@ -98,7 +100,19 @@ class Table(
   .map(toRexNode(_, relBuilder))
 
 relBuilder.project(exprs.toIterable.asJava)
-new Table(relBuilder.build(), relBuilder)
+var projected = relBuilder.build()
+
+if(relNode == projected) {
+  // Calcite's RelBuilder does not translate identity projects even if 
they rename fields.
+  //   Add a projection ourselves (will be automatically removed by 
translation rules).
+  val names = exprs.map(_.asInstanceOf[RexCall].getOperands.get(1)
--- End diff --

Woops! 
Thanks, I'll check that.


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[GitHub] flink pull request: [FLINK-3486] [tableAPI] Fix broken renaming of...

[vasia]

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

https://github.com/apache/flink/pull/1738#discussion_r54430318
  
--- Diff: 
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/table.scala
 ---
@@ -98,7 +100,19 @@ class Table(
   .map(toRexNode(_, relBuilder))
 
 relBuilder.project(exprs.toIterable.asJava)
-new Table(relBuilder.build(), relBuilder)
+var projected = relBuilder.build()
+
+if(relNode == projected) {
+  // Calcite's RelBuilder does not translate identity projects even if 
they rename fields.
+  //   Add a projection ourselves (will be automatically removed by 
translation rules).
+  val names = exprs.map(_.asInstanceOf[RexCall].getOperands.get(1)
--- End diff --

This cast to `RexCall` seems to cause several tests to fail.


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[GitHub] flink pull request: [FLINK-3486] [tableAPI] Fix broken renaming of...

[fhueske]

GitHub user fhueske opened a pull request:

https://github.com/apache/flink/pull/1738

[FLINK-3486] [tableAPI] Fix broken renaming of all fields.



You can merge this pull request into a Git repository by running:

$ git pull https://github.com/fhueske/flink tableAllRenameFix

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/flink/pull/1738.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #1738


commit de6dd97a79549b3d2d38c294e21c4027788b2f90
Author: Fabian Hueske 
Date:   2016-02-29T15:34:24Z

[FLINK-3486] [tableAPI] Fix broken renaming of all fields.




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