LAST_VALUE()

Overview

Evaluate one or more expressions and return the last value.

See also: Functions in 10.6 ES, in 10.6 CS, in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS

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

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.6 Community

  • Present starting in MariaDB Community Server 10.6.0.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.5 Community

  • Present starting in MariaDB Community Server 10.5.0.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

10.4 Community

  • Present starting in MariaDB Community Server 10.4.0.

10.3 Enterprise

  • Present starting in MariaDB Enterprise Server 10.3.16-1.

10.3 Community

  • Present starting in MariaDB Community Server 10.3.0.

10.2 Enterprise

  • Present starting in MariaDB Enterprise Server 10.2.25-1.

10.2 Community

  • Present starting in MariaDB Community Server 10.2.0.

EXTERNAL REFERENCES