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[MINOR][DOC] Update Partition Discovery section to enumerate all available file sources - #19139
[MINOR][DOC] Update Partition Discovery section to enumerate all available file sources#19139dongjoon-hyun wants to merge 4 commits into
Partition Discovery section to enumerate all available file sources#19139Conversation
gatorsmile
commented
Sep 5, 2017
Are the partition discovery applicable to all the built-in data sources? |
SparkQA
commented
Sep 5, 2017
Test build #81421 has finished for PR 19139 at commit
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dongjoon-hyun
commented
Sep 5, 2017
As you pointed out, I checked it again. Right, |
gatorsmile
commented
Sep 5, 2017
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dongjoon-hyun
commented
Sep 5, 2017
@gatorsmile . |
SparkQA
commented
Sep 5, 2017
Test build #81423 has finished for PR 19139 at commit
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| Table partitioning is a common optimization approach used in systems like Hive. In a partitioned | ||
| table, data are usually stored in different directories, with partitioning column values encoded in | ||
| the path of each partition directory. The Parquet data source is now able to discover and infer | ||
| the path of each partition directory. All built-in data sources are able to discover and infer |
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-> All built-in file sources (including ...)
You know, it is not applicable to JDBC
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Oops. Yep. I'll enumerate it.
gatorsmile
commented
Sep 5, 2017
BTW, please update the PR title. |
Partition Discovery section.Partition Discovery section to enumerate all available data sourcesdongjoon-hyun
commented
Sep 5, 2017
I added |
SparkQA
commented
Sep 5, 2017
Test build #81428 has finished for PR 19139 at commit
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| table, data are usually stored in different directories, with partitioning column values encoded in | ||
| the path of each partition directory. The Parquet data source is now able to discover and infer | ||
| partitioning information automatically. For example, we can store all our previously used | ||
| the path of each partition directory. All built-in data sources (including TEXT/CSV/JSON/ORC/Parquet) |
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data sources -> file sourcesTEXT -> Text
gatorsmile
commented
Sep 5, 2017
LGTM except a minor comment |
SparkQA
commented
Sep 5, 2017
Test build #81429 has finished for PR 19139 at commit
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Partition Discovery section to enumerate all available data sourcesPartition Discovery section to enumerate all available file sourcesgatorsmile
commented
Sep 5, 2017
Thanks! Merged to master/2.2 |
…ailable file sources ## What changes were proposed in this pull request? All built-in data sources support `Partition Discovery`. We had better update the document to give the users more benefit clearly. **AFTER** <img width="906" alt="1" src="https://user-images.githubusercontent.com/9700541/30083628-14278908-9244-11e7-98dc-9ad45fe233a9.png"> ## How was this patch tested? ``` SKIP_API=1 jekyll serve --watch ``` Author: Dongjoon Hyun <dongjoon@apache.org> Closes#19139 from dongjoon-hyun/partitiondiscovery. (cherry picked from commit 9e451bc) Signed-off-by: gatorsmile <gatorsmile@gmail.com>
dongjoon-hyun
commented
Sep 5, 2017
Thank you, @gatorsmile ! |
…ailable file sources ## What changes were proposed in this pull request? All built-in data sources support `Partition Discovery`. We had better update the document to give the users more benefit clearly. **AFTER** <img width="906" alt="1" src="https://user-images.githubusercontent.com/9700541/30083628-14278908-9244-11e7-98dc-9ad45fe233a9.png"> ## How was this patch tested? ``` SKIP_API=1 jekyll serve --watch ``` Author: Dongjoon Hyun <dongjoon@apache.org> Closesapache#19139 from dongjoon-hyun/partitiondiscovery. (cherry picked from commit 9e451bc) Signed-off-by: gatorsmile <gatorsmile@gmail.com>
What changes were proposed in this pull request?
All built-in data sources support
Partition Discovery. We had better update the document to give the users more benefit clearly.AFTER
How was this patch tested?