blob: b089de7bd21824998e9dd865e4d911784ebae380 [file] [log] [blame] [view]
---
{
"title": "ARRAY_CONTAINS",
"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_contains
array_contains
### description
#### Syntax
`BOOLEAN array_contains(ARRAY<T> arr, T value)`
Check if a value presents in an array column. Return below values:
```
1 - if value presents in an array;
0 - if value does not present in an array;
NULL - when array is NULL;
```
### example
```
mysql> SELECT id,c_array,array_contains(c_array, 5) FROM `array_test`;
+------+-----------------+------------------------------+
| id | c_array | array_contains(`c_array`, 5) |
+------+-----------------+------------------------------+
| 1 | [1, 2, 3, 4, 5] | 1 |
| 2 | [6, 7, 8] | 0 |
| 3 | [] | 0 |
| 4 | NULL | NULL |
+------+-----------------+------------------------------+
mysql> select array_contains([null, 1], null);
+--------------------------------------+
| array_contains(ARRAY(NULL, 1), NULL) |
+--------------------------------------+
| 1 |
+--------------------------------------+
1 row in set (0.00 sec)
```
### keywords
ARRAY,CONTAIN,CONTAINS,ARRAY_CONTAINS