[SPARK-18519][SQL][BRANCH-2.0] map type can not be used in EqualTo #15988
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 @hvanhovell |
|
Test build #69056 has started for PR 15988 at commit |
Contributor
|
retest this please |
|
Test build #69065 has finished for PR 15988 at commit
|
Contributor
|
LGTM. Merging to 2.0. Thanks! Can you close? |
asfgit
pushed a commit
that referenced
this pull request
Nov 23, 2016
## What changes were proposed in this pull request? Technically map type is not orderable, but can be used in equality comparison. However, due to the limitation of the current implementation, map type can't be used in equality comparison so that it can't be join key or grouping key. This PR makes this limitation explicit, to avoid wrong result. backport #15956 to 2.0 ## How was this patch tested? updated tests Author: Wenchen Fan <[email protected]> Closes #15988 from cloud-fan/map-type.
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Outdated suggestions cannot be applied.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.
What changes were proposed in this pull request?
Technically map type is not orderable, but can be used in equality comparison. However, due to the limitation of the current implementation, map type can't be used in equality comparison so that it can't be join key or grouping key.
This PR makes this limitation explicit, to avoid wrong result.
backport #15956 to 2.0
How was this patch tested?
updated tests