X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=base%2Fdb-interface.lisp;h=7c75dd0fa95dd7305c64ef4daff373e4763dd73e;hb=a3e1cd20eec3903790c6e8f126345558904488f4;hp=4f1dc209ee4eb218d9085cac8854618e4fe3323c;hpb=2c14c425a4a203e03b74b868fdf727ea0d48572a;p=clsql.git

diff --git a/base/db-interface.lisp b/base/db-interface.lisp
index 4f1dc20..7c75dd0 100644
--- a/base/db-interface.lisp
+++ b/base/db-interface.lisp
@@ -113,14 +113,21 @@ returns nil when result-set is finished."))
    "Creates a database, returns T if successfull or signals an error."))
 
 (defgeneric database-probe (connection-spec type)
+  (:method (spec type)
+    (declare (ignore spec))
+    (warn "database-proe not support for database-type ~A." type))
   (:documentation
    "Probes for the existence of a database, returns T if database found or NIL 
 if not found. May signal an error if unable to communicate with database server."))
 
+(defgeneric database-list (connection-spec type)
+  (:method (spec type)
+    (declare (ignore spec))
+    (warn "database-list not support for database-type ~A." type))
+  (:documentation
+   "Lists all databases found for TYPE. May signal an error if unable to communicate with database server."))
+
 (defgeneric database-destroy (connection-spec database)
-  (:method (connection-spec (database t))
-	   (declare (ignore connection-spec))
-	   (signal-no-database-error database))
   (:documentation "Destroys (drops) a database."))
 
 (defgeneric database-truncate (database)
@@ -254,3 +261,7 @@ the given lisp type and parameters."))
 (defmethod database-abort-transaction :before ((database database))
   (unless (is-database-open database)
     (signal-closed-database-error database)))
+
+(defgeneric describe-table (table &key database)
+  (:documentation "Describes a table, returns a list of name/type for columns in table"))
+