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...
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; ...
[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...
postgres=# \helpSELECTCommand:SELECTDescription:retrieve rows from a table or viewSyntax:[WITH[RECURSIVE]with_query[,...]]SELECT[ALL|DISTINCT[ON(expression[,...])]][*|expression[[AS]output_name][,...]][FROMfrom_item[,...]][WHEREcondition][GROUPBYgrouping_element[,...]][HAVINGcondition...
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。
-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。
\ef[FUNCNAME[LINE]]editfunctiondefinition 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 ...