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-rw-r--r--mediagoblin/db/migrations.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/mediagoblin/db/migrations.py b/mediagoblin/db/migrations.py
index 1f92417e..50fccd78 100644
--- a/mediagoblin/db/migrations.py
+++ b/mediagoblin/db/migrations.py
@@ -297,4 +297,8 @@ def pw_hash_nullable(db):
user_table.c.pw_hash.alter(nullable=True)
+ if db.bind.url.drivername is 'sqlite':
+ constraint = UniqueConstraint('username', table=user_table)
+ constraint.create()
+
db.commit()