beginnings of FROM, support for AS
[dbsrgits/Data-Query.git] / lib / Data / Query / Constants.pm
index 7730cde..091f587 100644 (file)
@@ -9,6 +9,9 @@ use constant +{
     DQ_OPERATOR => 'Operator',
     DQ_VALUE => 'Value',
     DQ_SELECT => 'Select',
+    DQ_ALIAS => 'Alias',
+    DQ_LITERAL => 'Literal',
+    DQ_JOIN => 'Join',
   ))
 };