Syntax

    1. mysql> set enable_vectorized_engine=true;
    3. mysql> select k1,k2,k3,array_intersect(k2,k3) from array_type_table;
    4. +------+-----------------+--------------+-----------------------------+
    5. | k1   | k2              | k3           | array_intersect(`k2`, `k3`) |
    6. +------+-----------------+--------------+-----------------------------+
    7. |    1 | [1, 2, 3]       | [2, 4, 5]    | [2]                         |
    8. |    2 | [2, 3]          | [1, 5]       | []                          |
    9. +------+-----------------+--------------+-----------------------------+
    11. mysql> select k1,k2,k3,array_intersect(k2,k3) from array_type_table_nullable;
    13. | k1   | k2              | k3           | array_intersect(`k2`, `k3`) |
    14. +------+-----------------+--------------+-----------------------------+
    15. |    1 | [1, NULL, 3]    | [1, 3, 5]    | [1, 3]                      |
    16. |    2 | [NULL, NULL, 2] | [2, NULL, 4] | [NULL, 2]                   |
    17. |    3 | NULL            | [1, 2, 3]    | NULL                        |
    18. +------+-----------------+--------------+-----------------------------+
    20. mysql> select k1,k2,k3,array_intersect(k2,k3) from array_type_table_varchar;
    21. +------+----------------------------+----------------------------------+-----------------------------+
    22. +------+----------------------------+----------------------------------+-----------------------------+
    23. |    1 | ['hello', 'world', 'c++']  | ['I', 'am', 'c++']               | ['c++']                     |
    25. |    3 | ['hasnull', NULL, 'value'] | ['nohasnull', 'nonull', 'value'] | [NULL, 'value']             |
    26. |    3 | ['hasnull', NULL, 'value'] | ['hasnull', NULL, 'value']       | ['hasnull', 'value']        |
    27. +------+----------------------------+----------------------------------+-----------------------------+
    29. mysql> select k1,k2,k3,array_intersect(k2,k3) from array_type_table_decimal;
    30. +------+------------------+-------------------+-----------------------------+
    31. | k1   | k2               | k3                | array_intersect(`k2`, `k3`) |
    32. +------+------------------+-------------------+-----------------------------+
    33. |    1 | [1.1, 2.1, 3.44] | [2.1, 3.4, 5.4]   | [2.1]                       |
    34. |    2 | [NULL, 2, 5]     | [NULL, NULL, 5.4] | [NULL]                      |
    35. +------+------------------+-------------------+-----------------------------+