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Gengliang Wang 464841224c [SPARK-36585][SQL][DOCS] Support setting "since" version in FunctionRegistry 
### What changes were proposed in this pull request?

Spark 3.2.0 includes two new functions `regexp` and `regexp_like`, which are identical to `rlike`. However, in the generated documentation. the since versions of both functions are `1.0.0` since they are based on the expression `RLike`:

- https://dist.apache.org/repos/dist/dev/spark/v3.2.0-rc1-docs/_site/api/sql/index.html#regexp
- https://dist.apache.org/repos/dist/dev/spark/v3.2.0-rc1-docs/_site/api/sql/index.html#regexp_like

This PR is to:
* Support setting `since` version in FunctionRegistry
* Correct the `since` version of `regexp` and `regexp_like`

### Why are the changes needed?

Correct the SQL doc
### Does this PR introduce _any_ user-facing change?

No

### How was this patch tested?

Run
```
sh sql/create-docs.sh
```
and check the SQL doc manually

Closes #33834 from gengliangwang/allowSQLFunVersion.

Authored-by: Gengliang Wang <gengliang@apache.org>
Signed-off-by: Gengliang Wang <gengliang@apache.org>
(cherry picked from commit 18143fb426)
Signed-off-by: Gengliang Wang <gengliang@apache.org>
2021-08-25 22:32:49 +08:00
..
catalyst [SPARK-36585][SQL][DOCS] Support setting "since" version in FunctionRegistry 2021-08-25 22:32:49 +08:00
core [SPARK-36559][SQL][PYTHON] Create plans dedicated to distributed-sequence index for optimization 2021-08-25 10:03:00 +09:00
hive [SPARK-36552][SQL] Fix different behavior for writing char/varchar to hive and datasource table 2021-08-22 09:38:54 +09:00
hive-thriftserver [SPARK-36398][SQL] Redact sensitive information in Spark Thrift Server log 2021-08-25 21:31:04 +09:00
create-docs.sh [SPARK-34010][SQL][DODCS] Use python3 instead of python in SQL documentation build 2021-01-05 19:48:10 +09:00
gen-sql-api-docs.py [SPARK-34747][SQL][DOCS] Add virtual operators to the built-in function document 2021-03-19 10:19:26 +09:00
gen-sql-config-docs.py [SPARK-32194][PYTHON] Use proper exception classes instead of plain Exception 2021-05-26 11:54:40 +09:00
gen-sql-functions-docs.py
mkdocs.yml
README.md

README.md

Spark SQL

This module provides support for executing relational queries expressed in either SQL or the DataFrame/Dataset API.

Spark SQL is broken up into four subprojects:

  • Catalyst (sql/catalyst) - An implementation-agnostic framework for manipulating trees of relational operators and expressions.
  • Execution (sql/core) - A query planner / execution engine for translating Catalyst's logical query plans into Spark RDDs. This component also includes a new public interface, SQLContext, that allows users to execute SQL or LINQ statements against existing RDDs and Parquet files.
  • Hive Support (sql/hive) - Includes extensions that allow users to write queries using a subset of HiveQL and access data from a Hive Metastore using Hive SerDes. There are also wrappers that allow users to run queries that include Hive UDFs, UDAFs, and UDTFs.
  • HiveServer and CLI support (sql/hive-thriftserver) - Includes support for the SQL CLI (bin/spark-sql) and a HiveServer2 (for JDBC/ODBC) compatible server.

Running ./sql/create-docs.sh generates SQL documentation for built-in functions under sql/site, and SQL configuration documentation that gets included as part of configuration.md in the main docs directory.