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>E.191. Release 8.0.5</A
></H1
><DIV
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><P
><B
>Release date: </B
>2005-12-12</P
></DIV
><P
>   This release contains a variety of fixes from 8.0.4.
   For information about new features in the 8.0 major release, see
   <A
HREF="release-8-0.html"
>Section E.196</A
>.
  </P
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>E.191.1. Migration to Version 8.0.5</A
></H2
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>    A dump/restore is not required for those running 8.0.X.  However,
    if you are upgrading from a version earlier than 8.0.3,
    see <A
HREF="release-8-0-3.html"
>Section E.193</A
>.
   </P
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><H2
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><A
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>E.191.2. Changes</A
></H2
><P
></P
><UL
><LI
><P
>Fix race condition in transaction log management</P
><P
>There was a narrow window in which an I/O operation could be initiated
for the wrong page, leading to an Assert failure or data
corruption.</P
></LI
><LI
><P
>Fix bgwriter problems after recovering from errors
(Tom)</P
><P
>The background writer was found to leak buffer pins after write errors.
While not fatal in itself, this might lead to mysterious blockages of
later VACUUM commands.</P
></LI
><LI
><P
>Prevent failure if client sends Bind protocol message
when current transaction is already aborted</P
></LI
><LI
><P
><TT
CLASS="FILENAME"
>/contrib/ltree</TT
> fixes (Teodor)</P
></LI
><LI
><P
>AIX and HPUX compile fixes (Tom)</P
></LI
><LI
><P
>Retry file reads and writes after Windows
NO_SYSTEM_RESOURCES error (Qingqing Zhou)</P
></LI
><LI
><P
>Fix intermittent failure when <TT
CLASS="VARNAME"
>log_line_prefix</TT
>
includes <TT
CLASS="LITERAL"
>%i</TT
></P
></LI
><LI
><P
>Fix <SPAN
CLASS="APPLICATION"
>psql</SPAN
> performance issue with long scripts
on Windows (Merlin Moncure)</P
></LI
><LI
><P
>Fix missing updates of <TT
CLASS="FILENAME"
>pg_group</TT
> flat
file</P
></LI
><LI
><P
>Fix longstanding planning error for outer joins</P
><P
>This bug sometimes caused a bogus error <SPAN
CLASS="QUOTE"
>"RIGHT JOIN is
only supported with merge-joinable join conditions"</SPAN
>.</P
></LI
><LI
><P
>Postpone timezone initialization until after
<TT
CLASS="FILENAME"
>postmaster.pid</TT
> is created</P
><P
>This avoids confusing startup scripts that expect the pid file to appear
quickly.</P
></LI
><LI
><P
>Prevent core dump in <SPAN
CLASS="APPLICATION"
>pg_autovacuum</SPAN
> when a
table has been dropped</P
></LI
><LI
><P
>Fix problems with whole-row references (<TT
CLASS="LITERAL"
>foo.*</TT
>)
to subquery results</P
></LI
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