[SPARK-12068][SQL] use a single column in Dataset.groupBy and count will fail #10059
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Contributor
Author
|
cc @marmbrus |
|
Test build #46945 has finished for PR 10059 at commit
|
Contributor
Author
|
retest this please. |
|
Test build #46962 has finished for PR 10059 at commit
|
Contributor
|
Thanks, merging to master and 1.6 |
asfgit
pushed a commit
that referenced
this pull request
Dec 1, 2015
…ill fail The reason is that, for a single culumn `RowEncoder`(or a single field product encoder), when we use it as the encoder for grouping key, we should also combine the grouping attributes, although there is only one grouping attribute. Author: Wenchen Fan <wenchen@databricks.com> Closes #10059 from cloud-fan/bug. (cherry picked from commit 8ddc55f) Signed-off-by: Michael Armbrust <michael@databricks.com>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
The reason is that, for a single culumn
RowEncoder(or a single field product encoder), when we use it as the encoder for grouping key, we should also combine the grouping attributes, although there is only one grouping attribute.