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><B
>Release date: </B
>2006-02-14</P
></DIV
><P
> This release contains a variety of fixes from 7.4.11.
For information about new features in the 7.4 major release, see
<A
HREF="release-7-4.html"
>Section E.227</A
>.
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>E.215.1. Migration to Version 7.4.12</A
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> A dump/restore is not required for those running 7.4.X. However,
if you are upgrading from a version earlier than 7.4.11,
see <A
HREF="release-7-4-11.html"
>Section E.216</A
>.
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>E.215.2. Changes</A
></H2
><P
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><LI
><P
>Fix potential crash in <TT
CLASS="COMMAND"
>SET
SESSION AUTHORIZATION</TT
> (CVE-2006-0553)</P
><P
>An unprivileged user could crash the server process, resulting in
momentary denial of service to other users, if the server has been compiled
with Asserts enabled (which is not the default).
Thanks to Akio Ishida for reporting this problem.</P
></LI
><LI
><P
>Fix bug with row visibility logic in self-inserted
rows (Tom)</P
><P
>Under rare circumstances a row inserted by the current command
could be seen as already valid, when it should not be. Repairs bug
created in 7.4.9 and 7.3.11 releases.</P
></LI
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><P
>Fix race condition that could lead to <SPAN
CLASS="QUOTE"
>"file already
exists"</SPAN
> errors during pg_clog file creation
(Tom)</P
></LI
><LI
><P
>Properly check <TT
CLASS="LITERAL"
>DOMAIN</TT
> constraints for
<TT
CLASS="LITERAL"
>UNKNOWN</TT
> parameters in prepared statements
(Neil)</P
></LI
><LI
><P
>Fix to allow restoring dumps that have cross-schema
references to custom operators (Tom)</P
></LI
><LI
><P
>Portability fix for testing presence of <CODE
CLASS="FUNCTION"
>finite</CODE
>
and <CODE
CLASS="FUNCTION"
>isinf</CODE
> during configure (Tom)</P
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