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Postgres Pro Standard : Documentation: 16: 53.23. pg_sequences : Postgres Professional

53.23. pg_sequences #

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

Table 53.23. pg_sequences Columns

Column Type

Description

schemaname name (references pg_namespace.nspname)

Name of schema containing sequence

sequencename name (references pg_class.relname)

Name of sequence

sequenceowner name (references pg_authid.rolname)

Name of sequence's owner

data_type regtype (references pg_type.oid)

Data type of the sequence

start_value int8

Start value of the sequence

min_value int8

Minimum value of the sequence

max_value int8

Maximum value of the sequence

increment_by int8

Increment value of the sequence

cycle bool

Whether the sequence cycles

cache_size int8

Cache size of the sequence

last_value int8

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.


The last_value column will read as null if any of the following are true:

  • The sequence has not been read from yet.

  • The current user does not have USAGE or SELECT privilege on the sequence.

  • The sequence is unlogged and the server is a standby.









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