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Minor copy-editing.

This commit is contained in:
Tom Lane 2002-02-18 16:13:10 +00:00
parent e4dd067398
commit c89e0d9666
1 changed files with 13 additions and 12 deletions
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25
doc/src/sgml/mvcc.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/mvcc.sgml,v 2.22 2002/01/20 22:19:56 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/mvcc.sgml,v 2.23 2002/02/18 16:13:10 tgl Exp $
-->
<chapter id="mvcc">
@ -40,7 +40,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/mvcc.sgml,v 2.22 2002/01/20 22:19:56 petere
<para>
The main difference between multiversion and lock models is that
in MVCC locks acquired for querying (reading) data don't conflict
with locks acquired for writing data and so reading never blocks
with locks acquired for writing data, and so reading never blocks
writing and writing never blocks reading.
</para>
</sect1>
@ -415,7 +415,7 @@ ERROR: Can't serialize access due to concurrent update
<para>
Acquired by <command>SELECT FOR UPDATE</command>
and <command>LOCK TABLE</command>
for <option>IN ROW SHARE MODE</option> statements.
<option>IN ROW SHARE MODE</option> statements.
</para>
<para>
@ -432,7 +432,7 @@ ERROR: Can't serialize access due to concurrent update
<para>
Acquired by <command>UPDATE</command>, <command>DELETE</command>,
<command>INSERT</command> and <command>LOCK TABLE</command>
for <option>IN ROW EXCLUSIVE MODE</option> statements.
<option>IN ROW EXCLUSIVE MODE</option> statements.
</para>
<para>
@ -449,8 +449,8 @@ ERROR: Can't serialize access due to concurrent update
<listitem>
<para>
Acquired by <command>VACUUM</command> (without <option>FULL</option>)
and <command>LOCK TABLE</command> table
for <option>IN SHARE UPDATE EXCLUSIVE MODE</option>
and <command>LOCK TABLE</command>
<option>IN SHARE UPDATE EXCLUSIVE MODE</option>
statements.
</para>
@ -468,8 +468,8 @@ ERROR: Can't serialize access due to concurrent update
<listitem>
<para>
Acquired by <command>CREATE INDEX</command>
and <command>LOCK TABLE</command> table
for <option>IN SHARE MODE</option>
and <command>LOCK TABLE</command>
<option>IN SHARE MODE</option>
statements.
</para>
@ -487,7 +487,7 @@ ERROR: Can't serialize access due to concurrent update
</term>
<listitem>
<para>
Acquired by <command>LOCK TABLE</command> for
Acquired by <command>LOCK TABLE</command>
<option>IN SHARE ROW EXCLUSIVE MODE</option> statements.
</para>
@ -505,8 +505,8 @@ ERROR: Can't serialize access due to concurrent update
</term>
<listitem>
<para>
Acquired by <command>LOCK TABLE</command> table
for <option>IN EXCLUSIVE MODE</option> statements.
Acquired by <command>LOCK TABLE</command>
<option>IN EXCLUSIVE MODE</option> statements.
</para>
<para>
@ -527,7 +527,8 @@ ERROR: Can't serialize access due to concurrent update
Acquired by <command>ALTER TABLE</command>,
<command>DROP TABLE</command>,
<command>VACUUM FULL</command> and <command>LOCK TABLE</command>
statements.
<option>IN ACCESS EXCLUSIVE MODE</option> (or plain
<command>LOCK TABLE</command>) statements.
</para>
<para>