3、常用查询-- 查询所有序列 select * from information_schema.sequences where sequence_schema = 'public'; -- 查询自增序列的当前值 select currval('table_name_id_seq'); -- 查询自增序列的下个值 select nextval('table_name_id_seq'); -- 正在使用的连
select * from pg_class where relkind='S' 1. 2. 3. 2、查找Sequence中的值 SELECT nextval(‘seq_commodity’); 这里nextval表示下一个值 3、查看表中的 序列 david=# \d tbl_xulie Table "public.tbl_xulie" Column | Type | Modifiers ---+---+--- id | integer | not null default nextv...
SELECTorder_id,item_id,item_text,priceFROMorder_details; 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 ...
赋予序列权限ALTERDEFAULTPRIVILEGESINSCHEMA abcGRANTALLPRIVILEGESON SEQUENCESTOabc; #用户对db要有连接权限grant connectONDATABASE abctoabc; #用户要对schema usage 权限,不然要select*from schema_name.table,不能用搜索路径GRANT USAGEONSCHEMA abcTOabc;grantselectONALL TABLESINSCHEMA abctoabc;ALTERDEFAULTPRIVI...
GRANT { { SELECT | INSERT | UPDATE | DELETE | RULE | REFERENCES | TRIGGER } [,...] | ALL [ PRIVILEGES ] } ON [ TABLE ] table_name [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { { CREATE | TEMPORARY | TEMP } [,...] |...
alter default privileges in schema public grant select on sequences to readonly; REVOKEALLONschemapublicFROMpublic; 在赋予后,目前小胡的账户,只能查看 代码语言:javascript 代码运行次数:0 运行 然后我们在照方抓药,创建write 的role create role write; ...
例如,我们查看下select 语句的语法: postgres=# \help SELECT Command: SELECT Description: retrieve rows from a table or view Syntax: [ WITH [ RECURSIVE ] with_query [, ...] ] SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] ...
select * from information_schema.sequences where sequence_schema = 'public'; 2)创建序列: create sequence seq_user_camera_version increment by 1 minvalue 1 no maxvalue start with 1; 3)建表,并用上面的序列作为主键自增序列 CREATE TABLE public.user_camera_version ( ...
postgres=# \s\c pagila_\c pagila_dev\df\x\dfselect * from film;\s 3、自动完成（补全）psql支持基于选项卡的自动完成。对于许多命令，您可以使用TAB键来触发自动补全或给出建议。如果您想列出一个表或连接到一个不同的数据库，请从元命令开始，然后开始键入对象名称并按TAB。如果有多个匹配项，psql将...
#创建默认组/也可以控制台点 create default node group default_group with(dn001,dn002); #创建组 create sharding group to group default_group; #创建sharding map #查看所有node select * from pgxc_node; #查看所有组 select * from pgxc_group #查看shardmap select * from pgxc_shard_map; #删除组...