Document timestamptz a little better.

diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index 66aef156082b09ce28125c94ed248a536891b4ba..edb0384694dcd24b2310272a9e2390eb1e343fde 100644 (file)
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -1442,6 +1442,9 @@ SELECT E'\\xDEADBEEF';
    
     timestamp
    
+   
+    timestamptz
+   
    
     timestamp with time zone
    
@@ -1535,7 +1538,9 @@ SELECT E'\\xDEADBEEF';
      be equivalent to timestamp without time
      zone, and PostgreSQL honors that
      behavior.  (Releases prior to 7.3 treated it as timestamp
-     with time zone.)
+     with time zone.)  timestamptz is taken as an
+     abbreviation for timestamp with time zone; this is a
+     PostgreSQL extension.