- sequences on a non-pk column will properly fire off on INSERT for PG/oracle

1 files changed, 6 insertions, 4 deletions

diff --git a/lib/sqlalchemy/databases/postgres.py b/lib/sqlalchemy/databases/postgres.py
index 3fea2e1a5..74b23d8f9 100644
--- a/lib/sqlalchemy/databases/postgres.py
+++ b/lib/sqlalchemy/databases/postgres.py
@@ -456,13 +456,15 @@ class PGDialect(ansisql.ANSIDialect):
 class PGCompiler(ansisql.ANSICompiler):
         
     def visit_insert_column(self, column, parameters):
-        # Postgres advises against OID usage and turns it off in 8.1,
-        # effectively making cursor.lastrowid
-        # useless, effectively making reliance upon SERIAL useless.  
-        # so all column primary key inserts must be explicitly present
+        # all column primary key inserts must be explicitly present
         if column.primary_key:
             parameters[column.key] = None
 
+    def visit_insert_sequence(self, column, sequence, parameters):
+        """this is the 'sequence' equivalent to ANSICompiler's 'visit_insert_column_default' which ensures
+        that the column is present in the generated column list"""
+        parameters.setdefault(column.key, None)
+
     def limit_clause(self, select):
         text = ""
         if select.limit is not None: