3 files changed, 6 insertions, 3 deletions
diff --git a/lib/sqlalchemy/databases/firebird.py b/lib/sqlalchemy/databases/firebird.py
index 55eb9a45b..5316f528d 100644
--- a/lib/sqlalchemy/databases/firebird.py
+++ b/lib/sqlalchemy/databases/firebird.py
@@ -142,7 +142,8 @@ class FBDialect(default.DefaultDialect):
     supports_sane_rowcount = False
     supports_sane_multi_rowcount = False
     max_identifier_length = 31
-    preexecute_sequences = True
+    preexecute_pk_sequences = True
+    supports_pk_autoincrement = False
 
     def __init__(self, type_conv=200, concurrency_level=1, **kwargs):
         default.DefaultDialect.__init__(self, **kwargs)
diff --git a/lib/sqlalchemy/databases/oracle.py b/lib/sqlalchemy/databases/oracle.py
index 2c5eacdbd..f4f8aa689 100644
--- a/lib/sqlalchemy/databases/oracle.py
+++ b/lib/sqlalchemy/databases/oracle.py
@@ -237,7 +237,8 @@ class OracleDialect(default.DefaultDialect):
     max_identifier_length = 30
     supports_sane_rowcount = True
     supports_sane_multi_rowcount = False
-    preexecute_sequences = True
+    preexecute_pk_sequences = True
+    supports_pk_autoincrement = False
 
     def __init__(self, use_ansi=True, auto_setinputsizes=True, auto_convert_lobs=True, threaded=True, allow_twophase=True, **kwargs):
         default.DefaultDialect.__init__(self, default_paramstyle='named', **kwargs)
diff --git a/lib/sqlalchemy/databases/postgres.py b/lib/sqlalchemy/databases/postgres.py
index ddf6a6b9c..018074b67 100644
--- a/lib/sqlalchemy/databases/postgres.py
+++ b/lib/sqlalchemy/databases/postgres.py
@@ -279,7 +279,8 @@ class PGDialect(default.DefaultDialect):
     max_identifier_length = 63
     supports_sane_rowcount = True
     supports_sane_multi_rowcount = False
-    preexecute_sequences = True
+    preexecute_pk_sequences = True
+    supports_pk_autoincrement = False
 
     def __init__(self, use_oids=False, server_side_cursors=False, **kwargs):
         default.DefaultDialect.__init__(self, default_paramstyle='pyformat', **kwargs)