fix oracle char length test for newer descriptors

diff --git a/test/dialect/test_oracle.py b/test/dialect/test_oracle.py
index 6a279ea9d84f42e2ec34ef3ff4bfbce0544be975..cc4bbab22827ef7c7723507c69ee59735e203353 100644 (file)
--- a/test/dialect/test_oracle.py
+++ b/test/dialect/test_oracle.py
@@ -822,7 +822,7 @@ class TypesTest(TestBase, AssertsCompiledSQL):
         self.assert_compile(VARCHAR(50),"VARCHAR(50 CHAR)")
 
         oracle8dialect = oracle.dialect()
-        oracle8dialect._supports_char_length = False
+        oracle8dialect.server_version_info = (8, 0)
         self.assert_compile(VARCHAR(50),"VARCHAR(50)",dialect=oracle8dialect)
 
         self.assert_compile(NVARCHAR(50),"NVARCHAR2(50)")