From a47834db0fb70256e676862f1d96374a9e114d82 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter@eisentraut.org>
Date: Sat, 21 Nov 2020 08:26:20 +0100
Subject: [PATCH] doc: Improve tableoid description

Mention that it's useful for determining table names for partitioned
tables as well as for those in inheritance hierarchies.

Author: Ian Lawrence Barwick <barwick@gmail.com>
Reviewed-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CAB8KJ=gFmBXP=P9htziOj+WM5PDAK4qc7iGQta+8kUh306kQnw@mail.gmail.com
---
 doc/src/sgml/ddl.sgml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml
index 3a2cfbd3011..c12a32c8c7f 100644
--- a/doc/src/sgml/ddl.sgml
+++ b/doc/src/sgml/ddl.sgml
@@ -1144,7 +1144,8 @@ CREATE TABLE circles (
 
      <para>
       The OID of the table containing this row.  This column is
-      particularly handy for queries that select from inheritance
+      particularly handy for queries that select from partitioned
+      tables (see <xref linkend="ddl-partitioning"/>) or inheritance
       hierarchies (see <xref linkend="ddl-inherit"/>), since without it,
       it's difficult to tell which individual table a row came from.  The
       <structfield>tableoid</structfield> can be joined against the
-- 
2.30.2