\l+
檢視所有資料庫
select d.datname as "name",
pg_catalog.pg_get_userbyid(d.datdba) as "owner",
pg_catalog.pg_encoding_to_char(d.encoding) as "encoding",
d.datcollate as "collate",
d.datctype as "ctype",
pg_catalog.array_to_string(d.datacl, e'\n') as "access privileges",
case when pg_catalog.has_database_privilege(d.datname, 'connect')
then pg_catalog.pg_size_pretty(pg_catalog.pg_database_size(d.datname))
else 'no access'
end as "size",
t.spcname as "tablespace",
pg_catalog.shobj_description(d.oid, 'pg_database') as "description"
from pg_catalog.pg_database d
join pg_catalog.pg_tablespace t on d.dattablespace = t.oid
order by 1;
檢視資料庫表、檢視、索引、序列等資訊
select n.nspname as "schema",
c.relname as "name",
case c.relkind when 'r' then 'table' when 'v' then 'view' when 'm' then 'materialized view' when 'i' then 'index' when 's' then 'sequence' when 's' then 'special' when 'f' then 'foreign table' when 'p' then 'partitioned table' when 'i' then 'partitioned index' end as "type",
pg_catalog.pg_get_userbyid(c.relowner) as "owner",
pg_catalog.pg_size_pretty(pg_catalog.pg_table_size(c.oid)) as "size",
pg_catalog.obj_description(c.oid, 'pg_class') as "description"
from pg_catalog.pg_class c
left join pg_catalog.pg_namespace n on n.oid = c.relnamespace
where c.relkind in ('r','p','v','m','s','f','')
and n.nspname <> 'pg_catalog'
and n.nspname <> 'information_schema'
and n.nspname !~ '^pg_toast'
and pg_catalog.pg_table_is_visible(c.oid)
order by 1,2;
列出所有的資料庫使用者和角色
select r.rolname, r.rolsuper, r.rolinherit,
r.rolcreaterole, r.rolcreatedb, r.rolcanlogin,
r.rolconnlimit, r.rolvaliduntil,
array(select b.rolname
from pg_catalog.pg_auth_members m
join pg_catalog.pg_roles b on (m.roleid = b.oid)
where m.member = r.oid) as memberof
, pg_catalog.shobj_description(r.oid, 'pg_authid') as description
, r.rolreplication
, r.rolbypassrls
from pg_catalog.pg_roles r
where r.rolname !~ '^pg_'
order by 1;
表空間資訊
select spcname as "name",
pg_catalog.pg_get_userbyid(spcowner) as "owner",
pg_catalog.pg_tablespace_location(oid) as "location",
pg_catalog.array_to_string(spcacl, e'\n') as "access privileges",
spcoptions as "options",
pg_catalog.pg_size_pretty(pg_catalog.pg_tablespace_size(oid)) as "size",
pg_catalog.shobj_description(oid, 'pg_tablespace') as "description"
from pg_catalog.pg_tablespace
order by 1;
顯示表的許可權分配情況
select n.nspname as "schema",
c.relname as "name",
case c.relkind when 'r' then 'table' when 'v' then 'view' when 'm' then 'materialized view' when 's' then 'sequence' when 'f' then 'foreign table' when 'p' then 'partitioned table' end as "type",
pg_catalog.array_to_string(c.relacl, e'\n') as "access privileges",
pg_catalog.array_to_string(array(
select attname || e':\n ' || pg_catalog.array_to_string(attacl, e'\n ')
from pg_catalog.pg_attribute a
where attrelid = c.oid and not attisdropped and attacl is not null
), e'\n') as "column privileges",
pg_catalog.array_to_string(array(
select polname
|| case when not polpermissive then
e' (restrictive)'
else '' end
|| case when polcmd != '*' then
e' (' || polcmd || e'):'
else e':'
end|| case when polqual is not null then
e'\n (u): ' || pg_catalog.pg_get_expr(polqual, polrelid)
else e''
end|| case when polwithcheck is not null then
e'\n (c): ' || pg_catalog.pg_get_expr(polwithcheck, polrelid)
else e''
end || case when polroles <> '' then
e'\n to: ' || pg_catalog.array_to_string(
array(
select rolname
from pg_catalog.pg_roles
where oid = any (polroles)
order by 1
), e', ')
else e''
endfrom pg_catalog.pg_policy pol
where polrelid = c.oid), e'\n')
as "policies"
from pg_catalog.pg_class c
left join pg_catalog.pg_namespace n on n.oid = c.relnamespace
where c.relkind in ('r','v','m','s','f','p')
and n.nspname !~ '^pg_' and pg_catalog.pg_table_is_visible(c.oid)
order by 1, 2;
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