a75dc80a76
### 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>
72 lines
1.9 KiB
Markdown
72 lines
1.9 KiB
Markdown
---
|
|
layout: global
|
|
title: SET
|
|
displayTitle: SET
|
|
license: |
|
|
Licensed to the Apache Software Foundation (ASF) under one or more
|
|
contributor license agreements. See the NOTICE file distributed with
|
|
this work for additional information regarding copyright ownership.
|
|
The ASF licenses this file to You under the Apache License, Version 2.0
|
|
(the "License"); you may not use this file except in compliance with
|
|
the License. You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
---
|
|
|
|
### Description
|
|
|
|
The SET command sets a property, returns the value of an existing property or returns all SQLConf properties with value and meaning.
|
|
|
|
### Syntax
|
|
|
|
```sql
|
|
SET
|
|
SET [ -v ]
|
|
SET property_key[ = property_value ]
|
|
```
|
|
|
|
### Parameters
|
|
|
|
* **-v**
|
|
|
|
Outputs the key, value and meaning of existing SQLConf properties.
|
|
|
|
* **property_key**
|
|
|
|
Returns the value of specified property key.
|
|
|
|
* **property_key=property_value**
|
|
|
|
Sets the value for a given property key. If an old value exists for a given property key, then it gets overridden by the new value.
|
|
|
|
### Examples
|
|
|
|
```sql
|
|
-- Set a property.
|
|
SET spark.sql.variable.substitute=false;
|
|
|
|
-- List all SQLConf properties with value and meaning.
|
|
SET -v;
|
|
|
|
-- List all SQLConf properties with value for current session.
|
|
SET;
|
|
|
|
-- List the value of specified property key.
|
|
SET spark.sql.variable.substitute;
|
|
+-----------------------------+-----+
|
|
| key|value|
|
|
+-----------------------------+-----+
|
|
|spark.sql.variable.substitute|false|
|
|
+-----------------------------+-----+
|
|
```
|
|
|
|
### Related Statements
|
|
|
|
* [RESET](sql-ref-syntax-aux-conf-mgmt-reset.html)
|