57 lines
1.2 KiB
Markdown
57 lines
1.2 KiB
Markdown
---
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{
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"title": "explode_numbers",
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"language": "zh-CN"
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}
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---
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<!--
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with 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,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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# explode_numbers
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## description
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表函数，需配合 Lateral View 使用。
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获得一个[0,n)的序列。
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语法：
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```
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explode_numbers(n)
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```
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## example
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```
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mysql> select e1 from (select 1 k1) as t lateral view explode_numbers(5) tmp1 as e1;
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+------+
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| e1 |
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+------+
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| 0 |
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| 1 |
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| 2 |
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| 3 |
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| 4 |
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+------+
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```
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## keyword
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explode_numbers |