[SPARK-19795][SPARKR] add column functions to_json, from_json #17134
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
felixcheung
commented
Mar 2, 2017
| schema <- structType(structField("age", "integer"), | ||
| structField("height", "double")) | ||
| s <- collect(select(df, alias(from_json(df$json, schema), "structcol"))) | ||
| #order |
Member
Author
There was a problem hiding this comment.
I haven't figured out how to sort/filter by the field of the struct in a data.frame in R yet, to make this results predictable..
|
Test build #73751 has finished for PR 17134 at commit
|
|
Test build #73782 has finished for PR 17134 at commit
|
|
Test build #73918 has finished for PR 17134 at commit
|
Member
Author
|
merged to master |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 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Outdated suggestions cannot be applied.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?
Add column functions: to_json, from_json, and tests covering error cases.
How was this patch tested?
unit tests, manual