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-rw-r--r--lib/sqlalchemy/databases/postgres.py10
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: