arrays_overlap

判断两个相同类型的数组中是否包含相同的元素。返回1代表存在相同元素，返回0代表不存在相同元素。

语法

output arrays_overlap(input0, input1)

参数说明

• input0：数组。
• input1: 与input0类型一致的数组。

返回值说明

返回 BOOLEAN 类型的数值。

示例

示例一

mysql> select arrays_overlap([11, 9, 3, 2], [null, 11]);
+--------------------------------------+
| arrays_overlap([11,9,3,2], [NULL,11]) |
+--------------------------------------+
|                                    1 |
+--------------------------------------+

示例二

mysql> select arrays_overlap([9, 3, 2], [null, 11]);
+-----------------------------------+
| arrays_overlap([9,3,2], [NULL,11]) |
+-----------------------------------+
|                                 0 |
+-----------------------------------+

示例三

mysql> select arrays_overlap([9, 3, null, 2], [null, 11]);
+----------------------------------------+
| arrays_overlap([9,3,NULL,2], [NULL,11]) |
+----------------------------------------+
|                                      1 |
+----------------------------------------+

示例四

mysql> select arrays_overlap([9, 3, "SQL", 2], [null, "SQL"]);
+--------------------------------------------+
| arrays_overlap([9,3,'SQL',2], [NULL,'SQL']) |
+--------------------------------------------+
|                                          1 |
+--------------------------------------------+