From e1ea7cc2e562b9e61528f37affada72a08a8adeb Mon Sep 17 00:00:00 2001
From: Bruce Momjian
Date: Thu, 3 Jun 1999 19:18:00 +0000
Subject: Update lock sgml/man/psql help pages.

---
 doc/src/sgml/ref/lock.sgml | 23 +++++------------------
 1 file changed, 5 insertions(+), 18 deletions(-)

(limited to 'doc/src')

diff --git a/doc/src/sgml/ref/lock.sgml b/doc/src/sgml/ref/lock.sgml
index dc702b0cdb8..804872d4a10 100644
--- a/doc/src/sgml/ref/lock.sgml
+++ b/doc/src/sgml/ref/lock.sgml
@@ -18,7 +18,7 @@
    <DATE>1998-09-24</DATE>
   </REFSYNOPSISDIVINFO>
   <SYNOPSIS>
-   LOCK [ TABLE ] <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE>
+   LOCK [ TABLE ] [[IN] [ROW|ACCESS] [SHARE|EXCLUSIVE] MODE] <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE>
   </SYNOPSIS>
 
   <REFSECT2 ID="R2-SQL-LOCK-1">
@@ -55,20 +55,6 @@
    <PARA>
     
     <VARIABLELIST>
-     <VARLISTENTRY>
-      <TERM>
-       DELETE 0
-      </TERM>
-      <LISTITEM>
-       <PARA>
-	Message returned on a successful lock.
-	<command>LOCK</command> is implemented as a 
-	<command>DELETE FROM <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE></command>
-	which is guaranteed to not delete any rows.
-       </para>
-      </listitem>
-     </varlistentry>
-     <VARLISTENTRY>
       <TERM>
        ERROR <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE>: Table does not exist.
       </TERM>
@@ -92,8 +78,9 @@
    Description
   </TITLE>
   <PARA>
-   <command>LOCK</command> locks in exclusive mode a table inside
-   a transaction. The classic use for this is
+   By default, <command>LOCK</command> locks in exclusive mode a table inside
+   a transaction. Various options allow shared access, or row-level locking
+   control.  The classic use for this is
    the case where you want to select some data, then
    update it inside a transaction.
    If you don't explicit lock a table using LOCK statement, it will be
@@ -183,7 +170,7 @@
    <PARA>
     There is no <command>LOCK TABLE</command> in <acronym>SQL92</acronym>,
     which instead uses <command>SET TRANSACTION</command> to specify
-    concurrency level on transactions.
+    concurrency level on transactions.  We support that too.
    </para>
   </refsect2>
  </refsect1>
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