PostgreSQL 批量更新

SQL

使用临时表实现批量更新

UPDATE sys_user 
SET username = tmp.username 
FROM
    (VALUES
        ( 1, 'zs-new' ),
        ( 2, 'ls-new' ),
        ( 3, 'ww-new' )
    ) AS tmp ( id, username ) 
WHERE
    sys_user.id = tmp.id;