Function to return rows for a range values between columns

Question

I have a table with columns,ID, A and B, where I introduce some values

INSERT INTO test VALUES(1, 1, 6);
INSERT INTO test VALUES(2, 5, 8);
INSERT INTO test VALUES(3, 3, 4);
INSERT INTO test VALUES(4, 4, 5);

Now I´m looking for a query to tell me if a range of numbers that I pass to the query are between those values or not. So If I pass 2 and 3 (could be N numbers) I expect to see row 1 and 3.

So far the only thing that I achieve is using the IN to know If my number is in that column, but not if is higher or lower.

SELECT * FROM table WHERE A IN ('2', '3') 

I think I would need create a function. Somebody can point me in the right direction here please?

Answer 1

To find all rows where the range contains the specified numbers:

SELECT *
FROM  test
WHERE (2 BETWEEN A AND B) 
   OR (3 BETWEEN A AND B)
/* OR (4 BETWEEN A AND B) */
/* OR (5 BETWEEN A AND B) */

+------+------+------+
| ID   | A    | B    |
+------+------+------+
|    1 |    1 |    6 |
|    3 |    3 |    4 |
+------+------+------+

An alternate solution is to JOIN your table with the list of numbers:

SELECT DISTINCT test.*
FROM test
INNER JOIN (
    SELECT 2 AS num UNION ALL
    SELECT 3 /* UNION ALL
    SELECT 4    UNION ALL
    SELECT 5 */
) AS num_list ON num_list.num BETWEEN test.A AND test.B

Answer 2

Use BETWEEN

SELECT * FROM table WHERE A BETWEEN 1 AND 3