From 7ec73783d88a743799b0c262f1235f772497fb1d Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 22 Apr 2014 16:06:37 -0400
Subject: copy:  update docs for FORCE_NULL and FORCE_NOT_NULL combination

Also update regression tests

Patch by Michael Paquier
---
 doc/src/sgml/ref/copy.sgml | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'doc/src')

diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml
index 0544c68bbc0..b100f8bdf79 100644
--- a/doc/src/sgml/ref/copy.sgml
+++ b/doc/src/sgml/ref/copy.sgml
@@ -487,6 +487,13 @@ COPY <replaceable class="parameter">count</replaceable>
     <command>VACUUM</command> to recover the wasted space.
    </para>
 
+   <para>
+    <literal>FORCE_NULL</> and <literal>FORCE_NOT_NULL</> can be used
+    simultaneously on the same column. This has as result to convert quoted
+    null strings to null values and to convert unquoted null strings to
+    empty strings.
+   </para>
+
  </refsect1>
 
  <refsect1>
-- 
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