Merge pull request #9 from ttyS15/master

DSHB-1657 'using' are used in SQLСompiler

.travis.yml

@@ -8,8 +8,8 @@ env:
 
 # command to install dependencies
 install:
-  - pip install -r requires.txt --use-mirrors
-  - pip install Django==$DJANGO_VERSION --use-mirrors
+  - pip install -r requires.txt
+  - pip install Django==$DJANGO_VERSION
 
 # command to run tests
 script:  python manage.py test test_app

requires.txt

@@ -1 +1 @@
-vertica-python
+vertica-python==0.3.0

vertica/compiler.py

@@ -12,15 +12,15 @@
 
 class SQLInsertCompiler(SQLInsertCompiler):
 
-    # We'll need to rollback insert sql if validate_constarints raises an
-    # IntegrityError. So atomic decorator is necessary.
-    @atomic
     def execute_sql(self, return_id=False):
-        result = super(SQLInsertCompiler, self).execute_sql(return_id)
+        # We'll need to rollback insert sql if validate_constarints raises an
+        # IntegrityError. So atomic is necessary.
+        with atomic(using=self.using):
+            result = super(SQLInsertCompiler, self).execute_sql(return_id)
 
-        if ENFORCE_CONSTRAINTS_VALIDATION:
-            self.connection.ops.validate_constraints(
-                self.connection.cursor(),
-                self.query.get_meta().db_table)
+            if ENFORCE_CONSTRAINTS_VALIDATION:
+                self.connection.ops.validate_constraints(
+                    self.connection.cursor(),
+                    self.query.get_meta().db_table)
 
-        return result
+            return result