Postgresql 中文操作指南

54.1. Overview #

Table 54.1列出了系统视图。以下是对每个目录的更详细说明。除非另有说明,此处描述的所有视图均为只读。

Table 54.1. System Views

View Name

Purpose

pg_available_extensions

available extensions

pg_available_extension_versions

available versions of extensions

pg_backend_memory_contexts

backend memory contexts

pg_config

compile-time configuration parameters

pg_cursors

open cursors

pg_file_settings

配置文件内容摘要

pg_group

groups of database users

pg_hba_file_rules

客户端认证配置文件内容摘要

pg_ident_file_mappings

客户端用户名映射配置文件内容摘要

pg_indexes

indexes

pg_locks

当前持有的或等待的锁定

pg_matviews

materialized views

pg_policies

policies

pg_prepared_statements

prepared statements

pg_prepared_xacts

prepared transactions

pg_publication_tables

发布及其关联表的信息

pg_replication_origin_status

复制原点信息,包括复制进度

pg_replication_slots

replication slot information

pg_roles

database roles

pg_rules

rules

pg_seclabels

security labels

pg_sequences

sequences

pg_settings

parameter settings

pg_shadow

database users

pg_shmem_allocations

shared memory allocations

pg_stats

planner statistics

pg_stats_ext

extended planner statistics

pg_stats_ext_exprs

表达式扩展计划人员统计

pg_tables

tables

pg_timezone_abbrevs

time zone abbreviations

pg_timezone_names

time zone names

pg_user

database users

pg_user_mappings

user mappings

pg_views

views