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CREATE TABLE test (value INT);
INSERT INTO test VALUES (1), (2), (3), (4), (5), (6);
6 rows affected
SELECT value,
AVG(value) OVER (ORDER BY value ROWS BETWEEN 2 PRECEDING AND 2 FOLLOWING) avg2
FROM test;
| value | avg2 |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 4 |
| 6 | 5 |
SELECT value,
AVG(value) OVER (ORDER BY value ROWS BETWEEN 2 PRECEDING AND 1 PRECEDING) avg2
FROM test;
| value | avg2 |
|---|---|
| 1 | null |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |