2 files changed, 2 insertions, 10 deletions
diff --git a/db/create.sql b/db/create.sql
index 57c3647..4abdb33 100644
--- a/db/create.sql
+++ b/db/create.sql
@@ -46,19 +46,15 @@ create table user_in_group (
 
 create table language (
   id integer not null default nextval('language_id_seq'),
-  name varchar(30) not null,
   identifier varchar(30) not null,
   constraint language_pk primary key (id),
-  constraint language_uq1 unique (name),
   constraint language_uq2 unique (identifier)
 );
 
 create table problem_group (
   id integer not null default nextval('problem_group_id_seq'),
-  name varchar(100) not null,
   identifier varchar(100) not null,
   constraint group_pk primary key (id),
-  constraint group_uq1 unique (name),
   constraint group_uq2 unique (identifier)
 );
 
@@ -66,13 +62,10 @@ create table problem (
   id integer not null default nextval('problem_id_seq'),
   language_id integer not null,
   problem_group_id integer not null,
-  name varchar(100) not null,
   identifier varchar(100) not null,
-  is_visible bool not null default true,
   constraint problem_pk primary key (id),
   constraint problem_fk1 foreign key (language_id) references language (id) on delete no action on update cascade,
   constraint problem_fk2 foreign key (problem_group_id) references problem_group (id) on delete no action on update cascade,
-  constraint problem_uq1 unique (language_id, problem_group_id, name),
   constraint problem_uq2 unique (language_id, problem_group_id, identifier)
 );
 
diff --git a/db/models.py b/db/models.py
index 4eda2ba..17f9681 100644
--- a/db/models.py
+++ b/db/models.py
@@ -7,7 +7,6 @@ from . import get_connection, return_connection
 
 __all__ = ['CodeqUser', 'Solution']
 
-
 class CodeqUser(collections.namedtuple('CodeqUser', ['id', 'username', 'password', 'name', 'email', 'is_admin', 'is_active', 'date_joined', 'last_login'])):
     __sql_prefix = 'select id, username, password, name, email, is_admin, is_active, date_joined, last_login from codeq_user'
 
@@ -27,8 +26,8 @@ class CodeqUser(collections.namedtuple('CodeqUser', ['id', 'username', 'password
     def solved_problems(user_id, language):
         return _run_sql('select g.identifier, p.identifier from solution s inner join problem p on p.id = s.problem_id inner join problem_group g on g.id = p.problem_group_id inner join language l on l.id = p.language_id where s.codeq_user_id = %s and l.identifier = %s and s.done = True', (user_id, language), fetch_one=False)
 
-class Problem(collections.namedtuple('Problem', ['id', 'language_id', 'problem_group_id', 'name', 'identifier', 'is_visible'])):
-    __sql_prefix = 'select id, language_id, problem_group_id, name, identifier, is_visible from problem'
+class Problem(collections.namedtuple('Problem', ['id', 'language_id', 'problem_group_id', 'identifier'])):
+    __sql_prefix = 'select id, language_id, problem_group_id, identifier from problem'
 
     @staticmethod
     def get(**kwargs):