python-postgres
diff --git a/‎postgresql/documentation/changes.txt‎
Lines changed: 3 additions & 0 deletions b/‎postgresql/documentation/changes.txt‎
Lines changed: 3 additions & 0 deletions
diff --git a/‎postgresql/driver/pq3.py‎
Lines changed: 1 addition & 1 deletion b/‎postgresql/driver/pq3.py‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎postgresql/test/test_driver.py‎
Lines changed: 14 additions & 0 deletions b/‎postgresql/test/test_driver.py‎
Lines changed: 14 additions & 0 deletions
@@ -9,6 +9,9 @@ Changes
  * Fix db.tracer and pg_python's --pq-trace=
  * Fix typo/dropped parts of a raise LoadError in .lib.
    [Reported by Vlad Pranskevichus]
+ * Fix count return from .first() method. Failed to provide an empty
+   tuple for the rformats of the bind statement.
+   [Reported by dou dou]
 
 0.9.3 released on 2010-01-01
 ----------------------------
 
@@ -982,7 +982,7 @@ def first(self, *parameters):
 					self._pq_statement_id,
 					self._input_formats,
 					params,
-					self._output_formats,
+					self._output_formats or (),
 				),
 				# Get all
 				element.Execute(b'', 0xFFFFFFFF),
 
@@ -407,6 +407,20 @@ def testStatementCall(self):
 		ps = self.db.prepare("SELECT 1, 2 UNION ALL SELECT 3, 4")
 		self.failUnlessEqual(ps(), [(1,2),(3,4)])
 
+	def testStatementFirstDML(self):
+		self.db.execute("CREATE TEMP TABLE first (i int)")
+		fins = self.db.prepare("INSERT INTO first VALUES (123)").first
+		fupd = self.db.prepare("UPDATE first SET i = 321 WHERE i = 123").first
+		fdel = self.db.prepare("DELETE FROM first").first
+		self.failUnlessEqual(fins(), 1)
+		self.failUnlessEqual(fdel(), 1)
+		self.failUnlessEqual(fins(), 1)
+		self.failUnlessEqual(fupd(), 1)
+		self.failUnlessEqual(fins(), 1)
+		self.failUnlessEqual(fins(), 1)
+		self.failUnlessEqual(fupd(), 2)
+		self.failUnlessEqual(fdel(), 3)
+
 	def testStatementRowsPersistence(self):
 		# validate that rows' cursor will persist beyond a transaction.
 		ps = self.db.prepare("SELECT i FROM generate_series($1::int, $2::int) AS g(i)")