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[Function](array) support array_range function (#13547)

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* array_range with 3 impl

* [Function](array) support array_range function

* update

* update code
This commit is contained in:
zhangstar333
2022-10-28 08:40:24 +08:00
committed by GitHub
parent 43c6428aea
commit 5dd052d386
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docs/en/docs/sql-manual/sql-functions/array-functions/array_range.md Normal file
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---
{
"title": "array_range",
"language": "en"
}
---
<!--
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.
-->
## array_range
### description
#### Syntax
```
ARRAY<Int> array_range(Int end)
ARRAY<Int> array_range(Int start, Int end)
ARRAY<Int> array_range(Int start, Int end, Int step)
```
The parameters are all positive integers.
start default value is 0, and step default value is 1.
Return the array which numbers from start to end - 1 by step.
### notice
`Only supported in vectorized engine`
### example
```
mysql> set enable_vectorized_engine=true;
mysql> select array_range(10);
+--------------------------------+
| array_range(10) |
+--------------------------------+
| [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] |
+--------------------------------+
mysql> select array_range(10,20);
+------------------------------------------+
| array_range(10, 20) |
+------------------------------------------+
| [10, 11, 12, 13, 14, 15, 16, 17, 18, 19] |
+------------------------------------------+
mysql> select array_range(0,20,2);
+-------------------------------------+
| array_range(0, 20, 2) |
+-------------------------------------+
| [0, 2, 4, 6, 8, 10, 12, 14, 16, 18] |
+-------------------------------------+
```
### keywords
ARRAY, RANGE, ARRAY_RANGE

1
docs/sidebars.json
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@ -257,6 +257,7 @@
"sql-manual/sql-functions/array-functions/countequal",
"sql-manual/sql-functions/array-functions/element_at",
"sql-manual/sql-functions/array-functions/array_avg",
"sql-manual/sql-functions/array-functions/array_range",
"sql-manual/sql-functions/array-functions/size",
"sql-manual/sql-functions/array-functions/array_distinct",
"sql-manual/sql-functions/array-functions/array_difference",

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docs/zh-CN/docs/sql-manual/sql-functions/array-functions/array_range.md Normal file
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---
{
"title": "array_range",
"language": "zh-CN"
}
---
<!--
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.
-->
## array_range
### description
#### Syntax
```
ARRAY<Int> array_range(Int end)
ARRAY<Int> array_range(Int start, Int end)
ARRAY<Int> array_range(Int start, Int end, Int step)
```
参数均为正整数 start 默认为 0, step 默认为 1。
最终返回一个数组，从start 到 end - 1, 步长为 step。
### notice
`仅支持向量化引擎中使用`
### example
```
mysql> set enable_vectorized_engine=true;
mysql> select array_range(10);
+--------------------------------+
| array_range(10) |
+--------------------------------+
| [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] |
+--------------------------------+
mysql> select array_range(10,20);
+------------------------------------------+
| array_range(10, 20) |
+------------------------------------------+
| [10, 11, 12, 13, 14, 15, 16, 17, 18, 19] |
+------------------------------------------+
mysql> select array_range(0,20,2);
+-------------------------------------+
| array_range(0, 20, 2) |
+-------------------------------------+
| [0, 2, 4, 6, 8, 10, 12, 14, 16, 18] |
+-------------------------------------+
```
### keywords
ARRAY, RANGE, ARRAY_RANGE