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>Appendix E. Release Notes</TD
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>E.224. Release 7.4.3</A
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><B
>Release date: </B
>2004-06-14</P
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><P
>   This release contains a variety of fixes from 7.4.2.
   For information about new features in the 7.4 major release, see
   <A
HREF="release-7-4.html"
>Section E.227</A
>.
  </P
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>E.224.1. Migration to Version 7.4.3</A
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>    A dump/restore is not required for those running 7.4.X.
   </P
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><LI
><P
>Fix temporary memory leak when using non-hashed aggregates (Tom)</P
></LI
><LI
><P
>ECPG fixes, including some for Informix compatibility (Michael)</P
></LI
><LI
><P
>Fixes for compiling with thread-safety, particularly Solaris (Bruce)</P
></LI
><LI
><P
>Fix error in COPY IN termination when using the old network protocol (ljb)</P
></LI
><LI
><P
>Several important fixes in pg_autovacuum, including fixes for
large tables, unsigned oids, stability, temp tables, and debug mode
(Matthew T. O'Connor)</P
></LI
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><P
>Fix problem with reading tar-format dumps on NetBSD and BSD/OS (Bruce)</P
></LI
><LI
><P
>Several JDBC fixes</P
></LI
><LI
><P
>Fix ALTER SEQUENCE RESTART where last_value equals the restart value (Tom)</P
></LI
><LI
><P
>Repair failure to recalculate nested sub-selects (Tom)</P
></LI
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><P
>Fix problems with non-constant expressions in LIMIT/OFFSET</P
></LI
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><P
>Support FULL JOIN with no join clause, such as X FULL JOIN Y ON TRUE (Tom)</P
></LI
><LI
><P
>Fix another zero-column table bug (Tom)</P
></LI
><LI
><P
>Improve handling of non-qualified identifiers in GROUP BY clauses in sub-selects (Tom)</P
><P
>Select-list aliases within the sub-select will now take precedence over
names from outer query levels.</P
></LI
><LI
><P
>Do not generate <SPAN
CLASS="QUOTE"
>"NATURAL CROSS JOIN"</SPAN
> when decompiling rules (Tom)</P
></LI
><LI
><P
>Add checks for invalid field length in binary COPY (Tom)</P
><P
> This fixes a difficult-to-exploit security hole.</P
></LI
><LI
><P
>Avoid locking conflict between <TT
CLASS="COMMAND"
>ANALYZE</TT
> and <TT
CLASS="COMMAND"
>LISTEN</TT
>/<TT
CLASS="COMMAND"
>NOTIFY</TT
></P
></LI
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>Numerous translation updates (various contributors)</P
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