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create table k_user ( op_id VARCHAR(36) not null, op_name VARCHAR(100) not null, password VARCHAR(100) not null, real_name VARCHAR(100) not null, lock_mark VARCHAR(50) not null, dept_no TEXT null, post_id TEXT null, tel VARCHAR(30) null, mail VARCHAR(50) null, create_id VARCHAR(36) not null, create_name VARCHAR(100) not null, create_time VARCHAR(17) not null, modify_id VARCHAR(36) null, modify_name VARCHAR(100) null, modify_time VARCHAR(17) null, remark VARCHAR(1024) null, constraint PK_K_USER primary key (op_id) );
create table k_user_role ( user_id VARCHAR(36) not null, role_id VARCHAR(36) not null, constraint PK_K_USER_ROLE primary key (user_id, role_id) );
create table k_role ( op_id VARCHAR(36) not null, op_name VARCHAR(100) not null, create_id VARCHAR(36) not null, create_name VARCHAR(100) not null, create_time VARCHAR(17) not null, modify_id VARCHAR(36) null, modify_name VARCHAR(100) null, modify_time VARCHAR(17) null, remark VARCHAR(1024) null, constraint PK_K_ROLE primary key (op_id) );
select * from (select u.*, array_to_string ( ARRAY ( SELECT role_id FROM k_user_role ur WHERE ur.user_id = u.op_id ),‘,‘ ) AS user_role, array_to_string ( ARRAY ( SELECT op_name FROM k_user_role ur,k_role r WHERE ur.role_id=r.op_id and ur.user_id = u.op_id ),‘,‘ ) AS role_name FROM k_user u ) k_user limit 15 offset 0
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原文地址：http://www.cnblogs.com/101key/p/5328574.html
