LAST_VALUE()

Overview

Evaluate one or more expressions and return the last value.

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.

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

EXTERNAL REFERENCES