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>Appendix E. Release Notes</TD
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>E.141. Release 8.2.4</A
></H1
><DIV
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><P
><B
>Release date: </B
>2007-04-23</P
></DIV
><P
>   This release contains a variety of fixes from 8.2.3,
   including a security fix.
   For information about new features in the 8.2 major release, see
   <A
HREF="release-8-2.html"
>Section E.145</A
>.
  </P
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CLASS="SECT2"
><A
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>E.141.1. Migration to Version 8.2.4</A
></H2
><P
>    A dump/restore is not required for those running 8.2.X.
   </P
></DIV
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><H2
CLASS="SECT2"
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>E.141.2. Changes</A
></H2
><P
></P
><UL
><LI
><P
>      Support explicit placement of the temporary-table schema within
      <TT
CLASS="VARNAME"
>search_path</TT
>, and disable searching it for functions
      and operators (Tom)
     </P
><P
>      This is needed to allow a security-definer function to set a
      truly secure value of <TT
CLASS="VARNAME"
>search_path</TT
>.  Without it,
      an unprivileged SQL user can use temporary objects to execute code
      with the privileges of the security-definer function (CVE-2007-2138).
      See <TT
CLASS="COMMAND"
>CREATE FUNCTION</TT
> for more information.
     </P
></LI
><LI
><P
>      Fix <TT
CLASS="VARNAME"
>shared_preload_libraries</TT
> for Windows
      by forcing reload in each backend (Korry Douglas)
     </P
></LI
><LI
><P
>      Fix <CODE
CLASS="FUNCTION"
>to_char()</CODE
> so it properly upper/lower cases localized day or month
      names (Pavel Stehule)
     </P
></LI
><LI
><P
>      <TT
CLASS="FILENAME"
>/contrib/tsearch2</TT
> crash fixes (Teodor)
     </P
></LI
><LI
><P
>      Require <TT
CLASS="COMMAND"
>COMMIT PREPARED</TT
> to be executed in the same
      database as the transaction was prepared in (Heikki)
     </P
></LI
><LI
><P
>      Allow <TT
CLASS="COMMAND"
>pg_dump</TT
> to do binary backups larger than two gigabytes
      on Windows (Magnus)
     </P
></LI
><LI
><P
>      New traditional (Taiwan) Chinese <ACRONYM
CLASS="ACRONYM"
>FAQ</ACRONYM
> (Zhou Daojing)
     </P
></LI
><LI
><P
>      Prevent the statistics collector from writing to disk too frequently (Tom)
     </P
></LI
><LI
><P
>      Fix potential-data-corruption bug in how <TT
CLASS="COMMAND"
>VACUUM FULL</TT
> handles
      <TT
CLASS="COMMAND"
>UPDATE</TT
> chains (Tom, Pavan Deolasee)
     </P
></LI
><LI
><P
>      Fix bug in domains that use array types (Tom)
     </P
></LI
><LI
><P
>      Fix <TT
CLASS="COMMAND"
>pg_dump</TT
> so it can dump a serial column's sequence
      using <TT
CLASS="OPTION"
>-t</TT
> when not also dumping the owning table
      (Tom)
     </P
></LI
><LI
><P
>      Planner fixes, including improving outer join and bitmap scan
      selection logic (Tom)
     </P
></LI
><LI
><P
>      Fix possible wrong answers or crash when a PL/pgSQL function tries
      to <TT
CLASS="LITERAL"
>RETURN</TT
> from within an <TT
CLASS="LITERAL"
>EXCEPTION</TT
> block
      (Tom)
     </P
></LI
><LI
><P
>      Fix PANIC during enlargement of a hash index (Tom)
     </P
></LI
><LI
><P
>      Fix POSIX-style timezone specs to follow new USA DST rules (Tom)
     </P
></LI
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