From 77a4c51af80819c3bcd581d9237f5c47e68393a6 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 15 Jun 2010 20:04:53 +0000
Subject: [PATCH] Clarify SELECT FOR UPDATE behavior in docs.
---
doc/src/sgml/ref/select.sgml | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml
index 372116be3fc..15d9b75b59b 100644
--- a/doc/src/sgml/ref/select.sgml
+++ b/doc/src/sgml/ref/select.sgml
@@ -1,5 +1,5 @@
<!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/select.sgml,v 1.130 2010/04/03 07:23:02 petere Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/select.sgml,v 1.131 2010/06/15 20:04:53 momjian Exp $
PostgreSQL documentation
-->
@@ -1200,8 +1200,9 @@ FOR SHARE [ OF <replaceable class="parameter">table_name</replaceable> [, ...] ]
case of a join query, the rows locked are those that contribute to
returned join rows. In addition, rows that satisfied the query
conditions as of the query snapshot will be locked, although they
- will not be returned if they have since been updated to not satisfy
- the query conditions. If a <literal>LIMIT</> is used, locking stops
+ will not be returned if they were updated after the snapshot
+ and no longer satisfy the query conditions. If a
+ <literal>LIMIT</> is used, locking stops
once enough rows have been returned to satisfy the limit (but note that
rows skipped over by <literal>OFFSET</> will get locked). Similarly,
if <literal>FOR UPDATE</literal> or <literal>FOR SHARE</literal>
--
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