kyuubi/docs/sql/functions.md
fwang12 fe8933c8ec [KYUUBI #1277] Add KDF engine_id
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### _Why are the changes needed?_
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It is useful for client side.

### _How was this patch tested?_
- [x] Add some test cases that check the changes thoroughly including negative and positive cases if possible

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- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1277 from turboFei/engine_id.

Closes #1277

95526f09 [fwang12] remove redundant test
382c96dc [fwang12] test all the jdbc tests with yarn mode
01b2ea13 [fwang12] add udf engine_id

Authored-by: fwang12 <fwang12@ebay.com>
Signed-off-by: fwang12 <fwang12@ebay.com>
2021-10-23 21:05:16 +08:00

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# Auxiliary SQL Functions for Spark SQL
Kyuubi provides several auxiliary SQL functions as supplement to Spark's [Built-in Functions](https://spark.apache.org/docs/latest/api/sql/index.html#built-in-functions)
Name | Description | Return Type | Since
--- | --- | --- | ---
kyuubi_version | Return the version of Kyuubi Server | string | 1.3.0
engine_name | Return the spark application name for the associated query engine | string | 1.3.0
engine_id | Return the spark application id for the associated query engine | string | 1.4.0
system_user | Return the system user name for the associated query engine | string | 1.3.0