arrays_overlap

Description

Checks whether the intersection of two arrays is empty. The arrays that you specify must be of the same data type. If the intersection is empty, this function returns 0. Otherwise, this function returns 1.

Syntax

arrays_overlap(input0, input1)

Parameters

input0: one of the two arrays that you want to compare.
input1: the other of the two arrays that you want to compare. The value of this parameter must be of the same data type as the value of the input0 parameter.

Return value

Returns a value of the BOOLEAN data type.

Examples

Example 1:

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

Example 2:

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

Example 3:

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

Example 4:

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