我必须是信息模式中访问约束相关数据的关系的所有者吗?我测试了以下内容,似乎我必须是主人.
create schema rights_test;
create table rights_test.t1 (id int primary key);
create table rights_test.t2 (id int references rights_test.t1(id));
select
tc.constraint_name,
tc.constraint_schema || '.' || tc.table_name || '.' || kcu.column_name as physical_full_name,
tc.constraint_schema,
tc.table_name,
kcu.column_name,
ccu.table_name as foreign_table_name,
ccu.column_name as foreign_column_name,
tc.constraint_type
from
information_schema.table_constraints as tc
join information_schema.key_column_usage as kcu on (tc.constraint_name = kcu.constraint_name and tc.table_name = kcu.table_name)
join information_schema.constraint_column_usage as ccu on ccu.constraint_name = tc.constraint_name
where
constraint_type in ('PRIMARY KEY','FOREIGN KEY')
and tc.constraint_schema = 'rights_test'
/*
This will produce desired …Run Code Online (Sandbox Code Playgroud)