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-rw-r--r--lib/sqlalchemy/dialects/sybase/base.py8
-rw-r--r--lib/sqlalchemy/dialects/sybase/pysybase.py4
2 files changed, 11 insertions, 1 deletions
diff --git a/lib/sqlalchemy/dialects/sybase/base.py b/lib/sqlalchemy/dialects/sybase/base.py
index 5814f70da..bdaab2eb7 100644
--- a/lib/sqlalchemy/dialects/sybase/base.py
+++ b/lib/sqlalchemy/dialects/sybase/base.py
@@ -370,6 +370,14 @@ class SybaseDialect(default.DefaultDialect):
text("SELECT user_name() as user_name", typemap={'user_name':Unicode})
)
+ def initialize(self, connection):
+ super(SybaseDialect, self).initialize(connection)
+ if self.server_version_info is not None and\
+ self.server_version_info < (15, ):
+ self.max_identifier_length = 30
+ else:
+ self.max_identifier_length = 255
+
@reflection.cache
def get_table_names(self, connection, schema=None, **kw):
if schema is None:
diff --git a/lib/sqlalchemy/dialects/sybase/pysybase.py b/lib/sqlalchemy/dialects/sybase/pysybase.py
index 6aad4e4cf..ee1938250 100644
--- a/lib/sqlalchemy/dialects/sybase/pysybase.py
+++ b/lib/sqlalchemy/dialects/sybase/pysybase.py
@@ -82,7 +82,9 @@ class SybaseDialect_pysybase(SybaseDialect):
cursor.execute(statement, param)
def _get_server_version_info(self, connection):
- return connection.scalar("select @@version_number")
+ vers = connection.scalar("select @@version_number")
+ # i.e. 15500, 15000, 12500 == (15, 5, 0, 0), (15, 0, 0, 0), (12, 5, 0, 0)
+ return (vers / 1000, vers % 1000 / 100, vers % 100 / 10, vers % 10)
def is_disconnect(self, e):
if isinstance(e, (self.dbapi.OperationalError, self.dbapi.ProgrammingError)):