Mention that COPY cannot be used on a view (per recent suggestion).

Other small improvements.

diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml
index 3c4dd31a5a2afa2ce067be1ce3bfa47bf8537957..d433fbb01c77db18bc33f4e23d66a22c41525277 100644 (file)
--- a/doc/src/sgml/ref/copy.sgml
+++ b/doc/src/sgml/ref/copy.sgml
@@ -1,5 +1,5 @@
 
 
@@ -65,7 +65,7 @@ COPY [ BINARY ] table [ WITH OIDS ]
       WITH OIDS
       
        
-   Specifies copying the internal unique object id (OID) for each row.
+   Specifies copying the internal object id (OID) for each row.
        
       
      
@@ -181,12 +181,12 @@ ERROR: reason
   
 
   
-   COPY instructs
+   COPY with a filename instructs
    the Postgres backend
-   to directly read from or write to a file. If a file name is specified,
-   the file must be accessible to the backend and the name must be specified
+   to directly read from or write to a file.
+   The file must be accessible to the backend and the name must be specified
    from the viewpoint of the backend.
-   If stdin or stdout is
+   When stdin or stdout is
    specified, data flows through the client frontend to  the backend.
     
     
@@ -209,6 +209,11 @@ ERROR: reason
    </div>
<div class="diff ctx">     Notes</div>
<div class="diff ctx">    
+   
+   COPY can only be used with plain tables, not with
+   views.
+   
+
    
     The BINARY keyword will force all data to be
     stored/read as binary format rather than as text.  It is
@@ -318,6 +323,8 @@ ERROR: reason
    
    
     The OID is emitted as the first column if WITH OIDS is specified.
+    (An error is raised if WITH OIDS is specified for a table that does not
+    have OIDs.)
    
    
     If COPY TO is sending its output to standard
@@ -525,7 +532,7 @@ If OIDs are included in the dump, the OID field immediately follows the
 field-count word.  It is a normal field except that it's not included
 in the field-count.  In particular it has a typlen --- this will allow
 handling of 4-byte vs 8-byte OIDs without too much pain, and will allow
-OIDs to be shown as NULL if we someday allow OIDs to be optional.
+OIDs to be shown as NULL if that ever proves desirable.