r9123: test & capability updates

[clsql.git] / base / db-interface.lisp

diff --git a/base/db-interface.lisp b/base/db-interface.lisp
index 9591c9c488495970b06952b87767c692a74e830d..9a91a6902c2ebebe3357d9a102fa5ac7d551d637 100644 (file)
--- a/base/db-interface.lisp
+++ b/base/db-interface.lisp
@@ -224,6 +224,12 @@ the given lisp type and parameters."))
           t)
   (:documentation "T [default] if database-type supports views."))
 
+(defgeneric db-type-has-fancy-math? (db-type)
+  (:method (db-type)
+          (declare (ignore db-type))
+          nil)
+  (:documentation "NIL [default] if database-type does not have fancy math."))
+
 (defgeneric db-type-has-subqueries? (db-type)
   (:method (db-type)
           (declare (ignore db-type))
@@ -233,7 +239,7 @@ the given lisp type and parameters."))
 (defgeneric db-type-has-boolean-where? (db-type)
   (:method (db-type)
           (declare (ignore db-type))
-          ;; SQL92 has boolean where
+          ;; SQL99 has boolean where
           t)
   (:documentation "T [default] if database-type supports boolean WHERE clause, such as 'WHERE MARRIED'."))