From 6568939852ee38e98e9ccca2598e6c1afa927ce8 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 10 Aug 2001 23:09:30 +0000
Subject: [PATCH] Mention that COPY cannot be used on a view (per recent
suggestion). Other small improvements.
---
doc/src/sgml/ref/copy.sgml | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml
index 3c4dd31a5a2..d433fbb01c7 100644
--- a/doc/src/sgml/ref/copy.sgml
+++ b/doc/src/sgml/ref/copy.sgml
@@ -1,5 +1,5 @@
<!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/copy.sgml,v 1.21 2001/05/27 09:59:27 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/copy.sgml,v 1.22 2001/08/10 23:09:30 tgl Exp $
Postgres documentation
-->
@@ -65,7 +65,7 @@ COPY [ BINARY ] <replaceable class="parameter">table</replaceable> [ WITH OIDS ]
<term>WITH OIDS</term>
<listitem>
<para>
- Specifies copying the internal unique object id (OID) for each row.
+ Specifies copying the internal object id (OID) for each row.
</para>
</listitem>
</varlistentry>
@@ -181,12 +181,12 @@ ERROR: <replaceable>reason</replaceable>
</para>
<para>
- <command>COPY</command> instructs
+ <command>COPY</command> with a filename instructs
the <productname>Postgres</productname> 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 <filename>stdin</filename> or <filename>stdout</filename> is
+ When <filename>stdin</filename> or <filename>stdout</filename> is
specified, data flows through the client frontend to the backend.
<tip>
@@ -209,6 +209,11 @@ ERROR: <replaceable>reason</replaceable>
<title>
Notes
</title>
+ <para>
+ <command>COPY</command> can only be used with plain tables, not with
+ views.
+ </para>
+
<para>
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: <replaceable>reason</replaceable>
</para>
<para>
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.)
</para>
<para>
If <command>COPY TO</command> 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.
</para>
</refsect3>
--
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