(1 row) -- Now let's list all the tables, indexes, etc. that live in this namespace. blogdb=# select * from pg_class blogdb-# where relnamespace = to_regnamespace('public')::oid; oid | relname | relnamespace |
(1 row) -- Now let's list all the tables, indexes, etc. that live in this namespace. blogdb=# select * from pg_class blogdb-# where relnamespace = to_regnamespace('public')::oid; oid | relname | relnamespace | reltype | reloftype | relowner | relam | relfilenode | relta...
'blogdb' database, otherwise you'll get the OID of the 'public' -- namespace for the database you're currently connected to. blogdb=# select to_regnamespace('public')::oid; to_regnamespace --- 2200 (1 row) -- Now let's list all the tables, indexes, etc. that live in this...
List indexes in Postgres Suppose you require a list of indexes for all objects in a specific schema or a particular table. For this purpose, we can use the pg_indexes view. It returns the index definition as well the index. In the below query, it returns index information for all tables...
(32) | Indexes: "playboy_id_pk" PRIMARY KEY, btree (id) playboy=> \di #相当于mysql的,mysql> show index from test; List of relations Schema | Name | Type | Owner | Table ---+---+---+---+--- public | playboy_id_pk | index | playboy | test (1 row) playboy=> select sp...
mydb=# create schema gxlmydb=# \dnList of schemas Name | Owner ---+--- gxl | postgres public | pg_database_owner 2.表的基本操作 创建表,如果直接使用创建表的语句默认情况下是创建在public的模式下。如果要指定是创建在哪个模式下使用schema.table_name(...)的方式去创建一个表。 mydb=# \dt...
ignore_system_indexes Disables reading from system indexes. 禁用系统索引读取。 integer_datetimes Datetimes are integer based. 日期是基于整数。 IntervalStyle Sets the display format for interval values. 设置区间值的显示格式。 join_collapse_limit Sets the FROM-list size beyond which JOIN constructs are...
14.2 pg_indexes该视图提供对数据库中每个索引的有用信息的访问。名字 类型 引用 描述 schemaname name pg_namespace.nspname 包含表和索引的模式的名字。 tablename name pg_class.relname 索引所在表的名字。 indexname name pg_class.relname 索引的名字。 tablespace name pg_tablespace....
Source code for django.contrib.postgres.indexes from django.db.models import Index __all__ = ['BrinIndex', 'GinIndex', 'GistIndex'] class MaxLengthMixin: # Allow an index name longer than 30 characters since the suffix is 4 # characters (usual limit is 3). Since this index can only ...
HypoPG: Hypothetical indexes plv8: Javascript Language http: RESTful Client index_advisor: Query optimization PGAudit: Postgres Auditing pgjwt: JSON Web Tokens PGroonga: Multilingual Full Text Search pgRouting: Geospatial Routing pg_cron: Schedule Recurring Jobs pg_graphql: GraphQL Support pg_hashids:...