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.
|
An inline table is a temporary table created using a VALUES clause.
VALUES ( expression [ , ... ] ) [ table_alias ]
-
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 [ , ... ] ) ]
-- 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]|
+---+------+