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PolarDB:pg_sequences

Last Updated:May 11, 2024

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

Overview

The pg_sequences view contains the following columns:

Column name

Type

Description

schemaname

name

The schema name of the sequence.

sequencename

name

The name of the sequence.

sequenceowner

name

The name of the owner of the sequence.

data_type

regtype

The data type of the sequence.

start_value

int8

The start value of the sequence.

min_value

int8

The minimum value of the sequence.

max_value

int8

The maximum value of the sequence.

increment_by

int8

The increment value of the sequence.

cycle

bool

Whether the sequence cycles.

cache_size

int8

The cache size of the sequence.

last_value

int8

The last sequence value that is written to disk. If caching is used, this value can be greater than the last value extracted from the sequence. The value is empty if the sequence has not been read. In addition, if the current user does not have USAGE or SELECT privileges on the sequence, the value is empty.