NTH_VALUE()
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The parent of this page is: Functions for MariaDB Enterprise Server
Topics on this page:
Overview
A description for this Function has not yet been added to this Documentation.
EXAMPLES
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES
(1,3), (1,5), (8,2), (5,7), (5,6),
(10,1), (6,4), (3,9), (3,9), (7,2),
(7,5), (2,6), (9,10), (9,5), (4,8);
SELECT a, b,
FIRST_VALUE(a) OVER w AS 'a first',
LAST_VALUE(b) OVER w AS 'b last',
NTH_VALUE(a, 10) OVER w AS 'a tenth',
NTH_VALUE(b, 5) OVER w AS 'b fifth'
FROM t1
WINDOW w AS (ORDER BY a, b);
+------+------+---------+--------+---------+---------+
| a | b | a first | b last | a tenth | b fifth |
+------+------+---------+--------+---------+---------+
| 1 | 3 | 1 | 3 | NULL | NULL |
| 1 | 5 | 1 | 5 | NULL | NULL |
| 2 | 6 | 1 | 6 | NULL | NULL |
| 3 | 9 | 1 | 9 | NULL | 9 |
| 3 | 9 | 1 | 9 | NULL | 9 |
| 4 | 8 | 1 | 8 | NULL | 9 |
| 5 | 6 | 1 | 6 | NULL | 9 |
| 5 | 7 | 1 | 7 | NULL | 9 |
| 6 | 4 | 1 | 4 | NULL | 9 |
| 7 | 2 | 1 | 2 | 7 | 9 |
| 7 | 5 | 1 | 5 | 7 | 9 |
| 8 | 2 | 1 | 2 | 7 | 9 |
| 9 | 5 | 1 | 5 | 7 | 9 |
| 9 | 10 | 1 | 10 | 7 | 9 |
| 10 | 1 | 1 | 1 | 7 | 9 |
+------+------+---------+--------+---------+---------+
CHANGE HISTORY
EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.