11th October 2018: PostgreSQL 11 RC 1 Released!
Supported Versions: Current (10)
Development Versions: 11 / devel

52.84. pg_sequences

The view pg_sequences provides access to useful information about each sequence in the database.

Table 52.85. pg_sequences Columns

Name Type References Description
schemaname name pg_namespace.nspname Name of schema containing sequence
sequencename name pg_class.relname Name of sequence
sequenceowner name pg_authid.rolname Name of sequence's owner
data_type regtype pg_type.oid Data type of the sequence
start_value bigint   Start value of the sequence
min_value bigint   Minimum value of the sequence
max_value bigint   Maximum value of the sequence
increment_by bigint   Increment value of the sequence
cycle boolean   Whether the sequence cycles
cache_size bigint   Cache size of the sequence
last_value bigint   The last sequence value written to disk. If caching is used, this value can be greater than the last value handed out from the sequence. Null if the sequence has not been read from yet. Also, if the current user does not have USAGE or SELECT privilege on the sequence, the value is null.