Listing all sequences in a database To list all sequences in the current database, you use the following query: SELECTrelname sequence_nameFROMpg_classWHERErelkind='S'; Deleting sequences If a sequence is associated with a table column, it will be automatically dropped once the table column...
\drds [PATRN1 [PATRN2]] list per-database role settings \dRp[+] [PATTERN] list replication publications \dRs[+] [PATTERN] list replication subscriptions \ds[S+] [PATTERN] list sequences \dt[S+] [PATTERN] list tables \dT[S+] [PATTERN] list data types \du[S+] [PATTERN] list roles...
\dp [PATTERN] list table, view, and sequence access privileges \drds [PATRN1 [PATRN2]] list per-database role settings \ds[S+] [PATTERN] list sequences \dt[S+] [PATTERN] list tables \dT[S+] [PATTERN] list data types \du[+] [PATTERN] list roles \dv[S+] [PATTERN] list views...
GRANT USAGE ON SEQUENCE myseq1, myseq2 TO readwrite; -- You can also grant permission to all sequences using the following SQL statement: GRANT USAGE ON ALL SEQUENCES IN SCHEMA myschema TO readwrite; -- To automatically grant permissions to sequences added in the future: ALTER DEFAULT PR...
-allProcs 导入所有存储过程。 -procs LIST 导入以逗号分隔的存储过程列表。 -allFuncs 导入所有函数。 -funcs LIST 导入以逗号分隔的函数列表。 -allPackages 导入所有包。 -packages LIST 导入以逗号分隔的包列表。 -allSequences 导入所有序列。
EXECUTE format('ALTER DEFAULT PRIVILEGES IN SCHEMA %I GRANT USAGE, SELECT ON SEQUENCES TO test', '$schema_name'); RAISE NOTICE 'Schema % created', '$schema_name'; ELSE RAISE NOTICE 'Schema % already exists', '$schema_name'; END IF; ...
Postgresql12开始支持可拔插存储引擎,即可拔插表访问方法。目前仅仅支持heap一种表访问方法。新增了pg_am和pg_proc系统表用于存储表访问方法的元数据。本文介绍创建表时如何处理这些元数据。 1、定义表的函数为DefineRelation,该函数的入参stmt->accessMethod为表访问方法名。
[LINE]] edit function definition with external editor...Informational (options: S = show system objects, + = additional detail) \d[S+] list tables, views, and sequences \d[S+] NAME describe table, view, sequence, or index \da[S] [PATTERN] list aggregates \dA...
| | \ds[+] [pattern] | List sequences. | | \dt[+] [pattern] | List tables. | | \du[+] [pattern] | List roles. | | \dv[+] [pattern] | List views. | | \dx[+] [pattern] | List extensions. | | \e [file] | Edit the query with external editor. | | \h | Show ...
ALL Operator EXISTS Operator Managing Tables PostgreSQL Data Types Create Table Select Into Create Table As SERIAL Sequences Identity Column Generated Columns Alter Table Rename Table Add Column Drop Column Change Column's Data Type Rename Column...