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doris/docs/zh-CN/sql-manual/sql-functions/array-functions/array_contains.md
2022-05-25 16:44:20 +08:00

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title, language
title language
array_contains zh-CN

array_contains

description

Syntax

BOOLEAN array_contains(ARRAY<T> arr, T value)

判断数组中是否包含value。返回结果如下:

1    - value在数组arr中存在;
0    - value不存在数组arr中;
NULL - arr为NULL时。

notice

仅支持向量化引擎中使用

example

mysql> set enable_vectorized_engine=true;

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 |
+------+-----------------+------------------------------+

keywords

ARRAY_CONTAINS