array_contains

SinceVersion 1.2.0

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. 1    - if value presents in an array;
2. 0    - if value does not present in an array;
3. NULL - when array is NULL;

notice

Only supported in vectorized engine

example

1. mysql> set enable_vectorized_engine=true;

3. mysql> SELECT id,c_array,array_contains(c_array, 5) FROM `array_test`;
4. +------+-----------------+------------------------------+
5. | id   | c_array         | array_contains(`c_array`, 5) |
6. +------+-----------------+------------------------------+
7. |    1 | [1, 2, 3, 4, 5] |                            1 |
8. |    2 | [6, 7, 8]       |                            0 |
9. |    3 | []              |                            0 |
10. |    4 | NULL            |                         NULL |
11. +------+-----------------+------------------------------+

13. mysql> select array_contains([null, 1], null);
14. +--------------------------------------+
15. | array_contains(ARRAY(NULL, 1), NULL) |
16. +--------------------------------------+
17. |                                    1 |
18. +--------------------------------------+
19. 1 row in set (0.00 sec)

keywords

ARRAY,CONTAIN,CONTAINS,ARRAY_CONTAINS