arrays_overlap
arrays_overlap
arrays_overlap
description
Syntax
BOOLEAN arrays_overlap(ARRAY<T> left, ARRAY<T> right)
Check if there is any common element for left and right array. Return below values:
1 - if any common element inside left and right array;
0 - if no common element inside left and right array;
NULL - when left or right array is NULL; OR any element inside left and right array is NULL;
notice
Only supported in vectorized engine
example
mysql> set enable_vectorized_engine=true;
mysql> select c_left,c_right,arrays_overlap(c_left,c_right) from array_test;
+--------------+-----------+-------------------------------------+
| c_left | c_right | arrays_overlap(`c_left`, `c_right`) |
+--------------+-----------+-------------------------------------+
| [1, 2, 3] | [3, 4, 5] | 1 |
| [1, 2, 3] | [5, 6] | 0 |
| [1, 2, NULL] | [1] | NULL |
| NULL | [1, 2] | NULL |
| [1, 2, 3] | [1, 2] | 1 |
+--------------+-----------+-------------------------------------+
keywords
ARRAY,ARRAYS,OVERLAP,ARRAYS_OVERLAP
