factored out uses_sequences_for_inserts() into

preexecute_sequence dialect attribute

3 files changed, 3 insertions, 9 deletions

diff --git a/lib/sqlalchemy/databases/firebird.py b/lib/sqlalchemy/databases/firebird.py
index d520046d0..b25a8de02 100644
--- a/lib/sqlalchemy/databases/firebird.py
+++ b/lib/sqlalchemy/databases/firebird.py
@@ -103,6 +103,7 @@ class FBExecutionContext(default.DefaultExecutionContext):
 class FBDialect(default.DefaultDialect):
     supports_sane_rowcount = False
     max_identifier_length = 31
+    preexecute_sequences = True
 
     def __init__(self, type_conv=200, concurrency_level=1, **kwargs):
         default.DefaultDialect.__init__(self, **kwargs)
@@ -306,9 +307,6 @@ class FBCompiler(compiler.DefaultCompiler):
         else:
             return func.name
 
-    def uses_sequences_for_inserts(self):
-        return True
-        
     def visit_sequence(self, seq):
         return "gen_id(" + seq.name + ", 1)"
         
diff --git a/lib/sqlalchemy/databases/oracle.py b/lib/sqlalchemy/databases/oracle.py
index d0122c7a4..fb5b512e2 100644
--- a/lib/sqlalchemy/databases/oracle.py
+++ b/lib/sqlalchemy/databases/oracle.py
@@ -237,6 +237,7 @@ class OracleDialect(default.DefaultDialect):
     max_identifier_length = 30
     supports_sane_rowcount = True
     supports_sane_multi_rowcount = False
+    preexecute_sequences = True
 
     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)
@@ -594,9 +595,6 @@ class OracleCompiler(compiler.DefaultCompiler):
     def visit_outer_join_column(self, vc):
         return self.process(vc.column) + "(+)"
         
-    def uses_sequences_for_inserts(self):
-        return True
-
     def visit_sequence(self, seq):
         return self.dialect.identifier_preparer.format_sequence(seq) + ".nextval"
         
diff --git a/lib/sqlalchemy/databases/postgres.py b/lib/sqlalchemy/databases/postgres.py
index a5c77f206..701114b17 100644
--- a/lib/sqlalchemy/databases/postgres.py
+++ b/lib/sqlalchemy/databases/postgres.py
@@ -228,6 +228,7 @@ class PGDialect(default.DefaultDialect):
     max_identifier_length = 63
     supports_sane_rowcount = True
     supports_sane_multi_rowcount = False
+    preexecute_sequences = True
 
     def __init__(self, use_oids=False, server_side_cursors=False, **kwargs):
         default.DefaultDialect.__init__(self, default_paramstyle='pyformat', **kwargs)
@@ -543,9 +544,6 @@ class PGCompiler(compiler.DefaultCompiler):
         }
     )
 
-    def uses_sequences_for_inserts(self):
-        return True
-
     def visit_sequence(self, seq):
         if seq.optional:
             return None