Changed DB to store node positions as Ordinals.

sql/connection_unittest.cc

Index: sql/connection_unittest.cc
diff --git a/sql/connection_unittest.cc b/sql/connection_unittest.cc
index e50043fa940e731b9fe9dde503f5757cc60a2642..5e5b65ee57fe3840601308423a4b1440d23e8fc8 100644
--- a/sql/connection_unittest.cc
+++ b/sql/connection_unittest.cc
@@ -110,6 +110,13 @@ TEST_F(SQLConnectionTest, DoesStuffExist) {
   EXPECT_FALSE(db().DoesColumnExist("bar", "b"));
 }
 
+TEST_F(SQLConnectionTest, GetColumnType) {
+  ASSERT_TRUE(db().Execute("CREATE TABLE foo (a bigint, b varchar)"));
+
+  EXPECT_EQ(db().GetColumnType(0), COLUMN_TYPE_INTEGER);
+  EXPECT_EQ(db().GetColumnType(1), COLUMN_TYPE_TEXT);
+}
+
 TEST_F(SQLConnectionTest, GetLastInsertRowId) {
   ASSERT_TRUE(db().Execute("CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"));