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### What changes were proposed in this pull request? Document Table-valued Function and Inline Table ### Why are the changes needed? To make SQL Reference complete ### Does this PR introduce any user-facing change? Yes <img width="1050" alt="Screen Shot 2020-04-11 at 5 34 25 PM" src="https://user-images.githubusercontent.com/13592258/79057852-cedff880-7c1a-11ea-9e1e-7882594ab573.png"> <img width="1050" alt="Screen Shot 2020-04-11 at 5 34 46 PM" src="https://user-images.githubusercontent.com/13592258/79057854-d4d5d980-7c1a-11ea-94cc-92ef1121fa43.png"> <img width="1050" alt="Screen Shot 2020-04-10 at 7 36 00 PM" src="https://user-images.githubusercontent.com/13592258/79033391-c2986480-7b62-11ea-9d0a-6c60de823256.png"> <img width="1051" alt="Screen Shot 2020-04-10 at 7 36 21 PM" src="https://user-images.githubusercontent.com/13592258/79033392-c5935500-7b62-11ea-88d4-e7d7812a7add.png"> <img width="1051" alt="Screen Shot 2020-04-11 at 5 09 48 PM" src="https://user-images.githubusercontent.com/13592258/79057555-6ba09700-7c17-11ea-9683-16bbde63a529.png"> Also, linked the newly added pages to select statement <img width="1050" alt="Screen Shot 2020-04-10 at 3 27 59 PM" src="https://user-images.githubusercontent.com/13592258/79027245-5147ba00-7b40-11ea-9b10-527fd9639958.png"> ### How was this patch tested? Manually build and check Closes #28185 from huaxingao/tvf. Authored-by: Huaxin Gao <huaxing@us.ibm.com> Signed-off-by: Sean Owen <srowen@gmail.com>
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| layout | title | displayTitle | license |
|---|---|---|---|
| global | Inline Table | Inline Table | 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
An inline table is a temporary table created using a VALUES clause.
Syntax
{% highlight sql %} VALUES ( expression [ , ... ] ) [ table_alias ] {% endhighlight %}
Parameters
expression- Specifies a combination of one or more values, operators and SQL functions that results in a value.
table_alias-
Specifies a temporary name with an optional column name list.
Syntax:[ AS ] table_name [ ( column_name [ , ... ] ) ]
Examples
{% highlight sql %} -- single row, without a table alias SELECT * FROM VALUES ("one", 1); +----+----+ |col1|col2| +----+----+ | one| 1| +----+----+
-- three rows with a table alias SELECT * FROM VALUES ("one", 1), ("two", 2), ("three", null) AS data(a, b); +-----+----+ | a| b| +-----+----+ | one| 1| | two| 2| |three|null| +-----+----+
-- complex types with a table alias SELECT * FROM VALUES ("one", array(0, 1)), ("two", array(2, 3)) AS data(a, b); +---+------+ | a| b| +---+------+ |one|[0, 1]| |two|[2, 3]| +---+------+ {% endhighlight %}