bdeb626c5a
### What changes were proposed in this pull request? This PR adds the SQL standard command - `SET TIME ZONE` to the current default time zone displacement for the current SQL-session, which is the same as the existing `set spark.sql.session.timeZone=xxx'. All in all, this PR adds syntax as following, ``` SET TIME ZONE LOCAL; SET TIME ZONE 'valid time zone'; -- zone offset or region SET TIME ZONE INTERVAL XXXX; -- xxx must in [-18, + 18] hours, * this range is bigger than ansi [-14, + 14] ``` ### Why are the changes needed? ANSI compliance and supply pure SQL users a way to retrieve all supported TimeZones ### Does this PR introduce _any_ user-facing change? yes, add new syntax. ### How was this patch tested? add unit tests. and locally verified reference doc  Closes #29064 from yaooqinn/SPARK-32272. Authored-by: Kent Yao <yaooqinn@hotmail.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com>
25 lines
1 KiB
Markdown
25 lines
1 KiB
Markdown
---
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layout: global
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title: Configuration Management
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displayTitle: Configuration Management
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license: |
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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---
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* [SET](sql-ref-syntax-aux-conf-mgmt-set.html)
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* [RESET](sql-ref-syntax-aux-conf-mgmt-reset.html)
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* [SET TIME ZONE](sql-ref-syntax-aux-conf-mgmt-set-timezone.html)
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