fix for embedded version

Author: daimor

sqlalchemy_iris/base.py

@@ -899,8 +899,11 @@ def on_connect(conn):
             if super_ is not None:
                 super_(conn)
 
-            iris = IRISNative.createIRIS(conn)
-            self.supports_vectors = iris.classMethodBoolean("%SYSTEM.License", "GetFeature", 28)
+            if self.embedded:
+                self.supports_vectors = conn.iris.cls("%SYSTEM.License").GetFeature(28) == 1
+            else:
+                iris = IRISNative.createIRIS(conn)
+                self.supports_vectors = iris.classMethodBoolean("%SYSTEM.License", "GetFeature", 28)
             if self.supports_vectors:
                 with conn.cursor() as cursor:
                     # Distance or similarity

sqlalchemy_iris/embedded.py

@@ -5,19 +5,25 @@ class IRISDialect_emb(IRISDialect):
     driver = "emb"
 
     embedded = True
-    
+
     supports_statement_cache = True
 
     def _get_option(self, connection, option):
-        return connection.iris.cls('%SYSTEM.SQL.Util').GetOption(option)
+        return connection.iris.cls("%SYSTEM.SQL.Util").GetOption(option)
 
     def _set_option(self, connection, option, value):
-        return connection.iris.cls('%SYSTEM.SQL.Util').SetOption(option)
+        return connection.iris.cls("%SYSTEM.SQL.Util").SetOption(option)
 
     @classmethod
     def import_dbapi(cls):
         import intersystems_iris.dbapi._DBAPI as dbapi
+
         return dbapi
 
+    def _get_server_version_info(self, connection):
+        server_version = connection._dbapi_connection.iris.system.Version.GetNumber()
+        server_version = server_version.split(".")
+        return tuple([int("".join(filter(str.isdigit, v))) for v in server_version])
+
 
 dialect = IRISDialect_emb