postgres=#
postgres=#
postgres=# CREATE SEQUENCE myseq MINVALUE 0;
CREATE SEQUENCE
postgres=#
postgres=# -- Using currval(?)
postgres=#
postgres=# SELECT currval('myseq');
ERROR: currval of sequence "myseq" is not yet defined in this session
postgres=#
postgres=#
postgres=# drop sequence myseq;
DROP SEQUENCE
postgres=#
postgres=# -- Setting a sequence value
postgres=# CREATE SEQUENCE myseq MINVALUE 0;
CREATE SEQUENCE
postgres=#
postgres=# SELECT setval('myseq', 1010);
setval
--------
1010
(1 row)
postgres=#
postgres=# SELECT nextval('myseq');
nextval
---------
1011
(1 row)
postgres=#
postgres=#
postgres=# SELECT setval('myseq', 1010, false);
setval
--------
1010
(1 row)
postgres=#
postgres=# SELECT nextval('myseq');
nextval
---------
1010
(1 row)
postgres=#
postgres=# drop sequence myseq;
DROP SEQUENCE
postgres=#