Remove DISTINCT from make_sql

Author: jverswijver

datajoint/expression.py

@@ -106,9 +106,7 @@ def make_sql(self, fields=None):
         Make the SQL SELECT statement.
         :param fields: used to explicitly set the select attributes
         """
-        distinct = self.heading.names == self.primary_key
-        return 'SELECT {distinct}{fields} FROM {from_}{where}'.format(
-            distinct="DISTINCT " if distinct else "",
+        return 'SELECT {fields} FROM {from_}{where}'.format(
             fields=self.heading.as_sql(fields or self.heading.names),
             from_=self.from_clause(), where=self.where_clause())
 

tests/test_fetch.py

@@ -296,4 +296,3 @@ def test_fetch_group_by(self):
         # This command is confirmed to work in v0.12.9 but not in v0.13.2
 
         Parent().fetch('KEY', order_by='name')
-