Document that COPY OUT requires an absolute pathname.

As suggested by Etsuro Fujita, but with somewhat different wording.

diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml
index e5f45f4a8af2e335a98c4de34b85cd43e829809a..b2a6dd797ceef2e6467144d38f97e167b747a751 100644 (file)
--- a/doc/src/sgml/ref/copy.sgml
+++ b/doc/src/sgml/ref/copy.sgml
@@ -116,9 +116,10 @@ COPY { table_name [ ( 
     filename
     
      
-      The absolute path name of the input or output file.  Windows users
-      might need to use an E'' string and double any backslashes
-      used in the path name.
+      The path name of the input or output file.  An input filename can be
+      an absolute or relative path, but an output filename must be an absolute
+      path.  Windows users might need to use an E'' string and
+      double any backslashes used in the path name.