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Author SHA1 Message Date
Huaxin Gao a75dc80a76 [SPARK-31636][SQL][DOCS] Remove HTML syntax in SQL reference 
### What changes were proposed in this pull request?
Remove the unneeded embedded inline HTML markup by using the basic markdown syntax.
Please see #28414

### Why are the changes needed?
Make the doc cleaner and easily editable by MD editors.

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
Manually build and check

Closes #28451 from huaxingao/html_cleanup.

Authored-by: Huaxin Gao <huaxing@us.ibm.com>
Signed-off-by: Sean Owen <srowen@gmail.com>
 2020-05-10 12:57:25 -05:00
Kazuaki Ishizaki 35fcc8d5c5 [MINOR][DOCS] Fix typo in documents 
### What changes were proposed in this pull request?
Fixed typo in `docs` directory and in `project/MimaExcludes.scala`

### Why are the changes needed?
Better readability of documents

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
No test needed

Closes #28447 from kiszk/typo_20200504.

Authored-by: Kazuaki Ishizaki <ishizaki@jp.ibm.com>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
 2020-05-04 16:53:50 +09:00
Huaxin Gao 75da05038b [MINOR][SQL][DOCS] Remove two leading spaces from sql tables 
### What changes were proposed in this pull request?
Remove two leading spaces from sql tables.

### Why are the changes needed?

Follow the format of other references such as https://docs.snowflake.com/en/sql-reference/constructs/join.html, https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_10002.htm, https://www.postgresql.org/docs/10/sql-select.html.

### Does this PR introduce any user-facing change?

before
```
SELECT * FROM  test;
  +-+
  ...
  +-+
```
after
```
SELECT * FROM  test;
+-+
...
+-+
```

### How was this patch tested?
Manually build and check

Closes #28348 from huaxingao/sql-format.

Authored-by: Huaxin Gao <huaxing@us.ibm.com>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
 2020-05-01 10:11:43 -07:00
Huaxin Gao 61f903fa7a [SPARK-31331][SQL][DOCS] Document Spark integration with Hive UDFs/UDAFs/UDTFs 
### What changes were proposed in this pull request?
Document Spark integration with Hive UDFs/UDAFs/UDTFs

### Why are the changes needed?
To make SQL Reference complete

### Does this PR introduce any user-facing change?
Yes
<img width="1031" alt="Screen Shot 2020-04-02 at 2 22 42 PM" src="https://user-images.githubusercontent.com/13592258/78301971-cc7cf080-74ee-11ea-93c8-7d4c75213b47.png">

### How was this patch tested?
Manually build and check

Closes #28104 from huaxingao/hive-udfs.

Lead-authored-by: Huaxin Gao <huaxing@us.ibm.com>
Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org>
Signed-off-by: Sean Owen <srowen@gmail.com>
 2020-04-09 13:28:01 -05:00
Huaxin Gao 4e45c07f5d [SPARK-31326][SQL][DOCS] Create Function docs structure for SQL Reference 
### What changes were proposed in this pull request?
Create Function docs structure for SQL Reference...

### Why are the changes needed?
so the Function docs can be added later, also want to get a consensus about what to document for Functions in SQL Reference.

### Does this PR introduce any user-facing change?
Yes
<img width="1050" alt="Screen Shot 2020-04-02 at 12 09 20 AM" src="https://user-images.githubusercontent.com/13592258/78220451-68b6e100-7476-11ea-9a21-733b41652785.png">

<img width="1051" alt="Screen Shot 2020-04-02 at 12 09 44 AM" src="https://user-images.githubusercontent.com/13592258/78220460-6ce2fe80-7476-11ea-887c-defefd55c19d.png">

<img width="1051" alt="Screen Shot 2020-04-02 at 12 10 05 AM" src="https://user-images.githubusercontent.com/13592258/78220463-6f455880-7476-11ea-81fc-fd4137db7c3f.png">

### How was this patch tested?
Manually build and check

Closes #28099 from huaxingao/function.

Authored-by: Huaxin Gao <huaxing@us.ibm.com>
Signed-off-by: Takeshi Yamamuro <yamamuro@apache.org>
 2020-04-03 14:36:03 +09:00