Synopsis
Use the lastval() function to return the value returned from the last call to nextval(), for any sequence, in the current session.
Semantics
- An error is raised if
nextval()has not been called in the current session.
Examples
Create two sequences and call nextval() for each of them.
yugabyte=# CREATE SEQUENCE s1;
CREATE SEQUENCE
yugabyte=# CREATE SEQUENCE s2 START -100 MINVALUE -100;
CREATE SEQUENCE
yugabyte=# SELECT nextval('s1');
nextval
---------
1
(1 row)
yugabyte=# SELECT nextval('s2');
nextval
---------
-100
(1 row)
Call lastval().
yugabyte=# SELECT lastval()
lastval
---------
-100
(1 row)