diff --git a/rhodecode/model/db.py b/rhodecode/model/db.py
--- a/rhodecode/model/db.py
+++ b/rhodecode/model/db.py
@@ -38,9 +38,9 @@ log = logging.getLogger(__name__)
 class RhodeCodeSettings(Base):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (UniqueConstraint('app_settings_name'), {'useexisting':True})
-    app_settings_id = Column("app_settings_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    app_settings_name = Column("app_settings_name", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    app_settings_value = Column("app_settings_value", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    app_settings_name = Column("app_settings_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    app_settings_value = Column("app_settings_value", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
     def __init__(self, k, v):
         self.app_settings_name = k
@@ -53,26 +53,26 @@ class RhodeCodeSettings(Base):
 class RhodeCodeUi(Base):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = {'useexisting':True}
-    ui_id = Column("ui_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    ui_section = Column("ui_section", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    ui_key = Column("ui_key", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    ui_value = Column("ui_value", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    ui_active = Column("ui_active", BOOLEAN(), nullable=True, unique=None, default=True)
+    ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    ui_section = Column("ui_section", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    ui_key = Column("ui_key", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    ui_value = Column("ui_value", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
 
 class User(Base):
     __tablename__ = 'users'
     __table_args__ = (UniqueConstraint('username'), UniqueConstraint('email'), {'useexisting':True})
-    user_id = Column("user_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    username = Column("username", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    password = Column("password", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    active = Column("active", BOOLEAN(), nullable=True, unique=None, default=None)
-    admin = Column("admin", BOOLEAN(), nullable=True, unique=None, default=False)
-    name = Column("name", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    lastname = Column("lastname", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    email = Column("email", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    last_login = Column("last_login", DATETIME(timezone=False), nullable=True, unique=None, default=None)
-    is_ldap = Column("is_ldap", BOOLEAN(), nullable=False, unique=None, default=False)
+    user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    username = Column("username", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    password = Column("password", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    active = Column("active", Boolean(), nullable=True, unique=None, default=None)
+    admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
+    name = Column("name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    lastname = Column("lastname", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    email = Column("email", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
+    is_ldap = Column("is_ldap", Boolean(), nullable=False, unique=None, default=False)
 
     user_log = relation('UserLog', cascade='all')
     user_perms = relation('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
@@ -103,13 +103,13 @@ class User(Base):
 class UserLog(Base):
     __tablename__ = 'user_logs'
     __table_args__ = {'useexisting':True}
-    user_log_id = Column("user_log_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    user_id = Column("user_id", INTEGER(), ForeignKey(u'users.user_id'), nullable=False, unique=None, default=None)
-    repository_id = Column("repository_id", INTEGER(length=None, convert_unicode=False, assert_unicode=None), ForeignKey(u'repositories.repo_id'), nullable=False, unique=None, default=None)
-    repository_name = Column("repository_name", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    user_ip = Column("user_ip", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    action = Column("action", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    action_date = Column("action_date", DATETIME(timezone=False), nullable=True, unique=None, default=None)
+    user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey(u'users.user_id'), nullable=False, unique=None, default=None)
+    repository_id = Column("repository_id", Integer(length=None, convert_unicode=False, assert_unicode=None), ForeignKey(u'repositories.repo_id'), nullable=False, unique=None, default=None)
+    repository_name = Column("repository_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    user_ip = Column("user_ip", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    action = Column("action", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     user = relation('User')
     repository = relation('Repository')
@@ -117,13 +117,13 @@ class UserLog(Base):
 class Repository(Base):
     __tablename__ = 'repositories'
     __table_args__ = (UniqueConstraint('repo_name'), {'useexisting':True},)
-    repo_id = Column("repo_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    repo_name = Column("repo_name", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
-    repo_type = Column("repo_type", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default=None)
-    user_id = Column("user_id", INTEGER(), ForeignKey(u'users.user_id'), nullable=False, unique=False, default=None)
-    private = Column("private", BOOLEAN(), nullable=True, unique=None, default=None)
-    description = Column("description", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    fork_id = Column("fork_id", INTEGER(), ForeignKey(u'repositories.repo_id'), nullable=True, unique=False, default=None)
+    repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    repo_name = Column("repo_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
+    repo_type = Column("repo_type", String(length=None, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default=None)
+    user_id = Column("user_id", Integer(), ForeignKey(u'users.user_id'), nullable=False, unique=False, default=None)
+    private = Column("private", Boolean(), nullable=True, unique=None, default=None)
+    description = Column("description", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    fork_id = Column("fork_id", Integer(), ForeignKey(u'repositories.repo_id'), nullable=True, unique=False, default=None)
 
     user = relation('User')
     fork = relation('Repository', remote_side=repo_id)
@@ -139,9 +139,9 @@ class Repository(Base):
 class Permission(Base):
     __tablename__ = 'permissions'
     __table_args__ = {'useexisting':True}
-    permission_id = Column("permission_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    permission_name = Column("permission_name", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    permission_longname = Column("permission_longname", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    permission_name = Column("permission_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    permission_longname = Column("permission_longname", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
     def __repr__(self):
         return "<Permission('%s:%s')>" % (self.permission_id, self.permission_name)
@@ -149,10 +149,10 @@ class Permission(Base):
 class RepoToPerm(Base):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (UniqueConstraint('user_id', 'repository_id'), {'useexisting':True})
-    repo_to_perm_id = Column("repo_to_perm_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    user_id = Column("user_id", INTEGER(), ForeignKey(u'users.user_id'), nullable=False, unique=None, default=None)
-    permission_id = Column("permission_id", INTEGER(), ForeignKey(u'permissions.permission_id'), nullable=False, unique=None, default=None)
-    repository_id = Column("repository_id", INTEGER(), ForeignKey(u'repositories.repo_id'), nullable=False, unique=None, default=None)
+    repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey(u'users.user_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey(u'permissions.permission_id'), nullable=False, unique=None, default=None)
+    repository_id = Column("repository_id", Integer(), ForeignKey(u'repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relation('User')
     permission = relation('Permission')
@@ -161,9 +161,9 @@ class RepoToPerm(Base):
 class UserToPerm(Base):
     __tablename__ = 'user_to_perm'
     __table_args__ = (UniqueConstraint('user_id', 'permission_id'), {'useexisting':True})
-    user_to_perm_id = Column("user_to_perm_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    user_id = Column("user_id", INTEGER(), ForeignKey(u'users.user_id'), nullable=False, unique=None, default=None)
-    permission_id = Column("permission_id", INTEGER(), ForeignKey(u'permissions.permission_id'), nullable=False, unique=None, default=None)
+    user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey(u'users.user_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey(u'permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relation('User')
     permission = relation('Permission')
@@ -171,12 +171,12 @@ class UserToPerm(Base):
 class Statistics(Base):
     __tablename__ = 'statistics'
     __table_args__ = (UniqueConstraint('repository_id'), {'useexisting':True})
-    stat_id = Column("stat_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    repository_id = Column("repository_id", INTEGER(), ForeignKey(u'repositories.repo_id'), nullable=False, unique=True, default=None)
-    stat_on_revision = Column("stat_on_revision", INTEGER(), nullable=False)
-    commit_activity = Column("commit_activity", BLOB(), nullable=False)#JSON data
-    commit_activity_combined = Column("commit_activity_combined", BLOB(), nullable=False)#JSON data
-    languages = Column("languages", BLOB(), nullable=False)#JSON data
+    stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    repository_id = Column("repository_id", Integer(), ForeignKey(u'repositories.repo_id'), nullable=False, unique=True, default=None)
+    stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
+    commit_activity = Column("commit_activity", LargeBinary(), nullable=False)#JSON data
+    commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
+    languages = Column("languages", LargeBinary(), nullable=False)#JSON data
 
     repository = relation('Repository', single_parent=True)
 
@@ -186,10 +186,10 @@ class UserFollowing(Base):
                       UniqueConstraint('user_id', 'follows_user_id')
                       , {'useexisting':True})
 
-    user_following_id = Column("user_following_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    user_id = Column("user_id", INTEGER(), ForeignKey(u'users.user_id'), nullable=False, unique=None, default=None)
-    follows_repo_id = Column("follows_repository_id", INTEGER(), ForeignKey(u'repositories.repo_id'), nullable=True, unique=None, default=None)
-    follows_user_id = Column("follows_user_id", INTEGER(), ForeignKey(u'users.user_id'), nullable=True, unique=None, default=None)
+    user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey(u'users.user_id'), nullable=False, unique=None, default=None)
+    follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey(u'repositories.repo_id'), nullable=True, unique=None, default=None)
+    follows_user_id = Column("follows_user_id", Integer(), ForeignKey(u'users.user_id'), nullable=True, unique=None, default=None)
 
     user = relation('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
@@ -200,10 +200,10 @@ class UserFollowing(Base):
 class CacheInvalidation(Base):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (UniqueConstraint('cache_key'), {'useexisting':True})
-    cache_id = Column("cache_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)
-    cache_key = Column("cache_key", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    cache_args = Column("cache_args", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
-    cache_active = Column("cache_active", BOOLEAN(), nullable=True, unique=None, default=False)
+    cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    cache_key = Column("cache_key", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    cache_args = Column("cache_args", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
 
     def __init__(self, cache_key, cache_args=''):