~ubuntu-branches/ubuntu/trusty/postgresql-9.3/trusty-updates : contents of doc/src/sgml/html/release-7-4-9.html at revision 27

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>E.223. Release 7.4.9</A
></H1
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Release Date: </B
>2005-10-04</P
></BLOCKQUOTE
></DIV
><P
>   This release contains a variety of fixes from 7.4.8.
   For information about new features in the 7.4 major release, see
   <A
HREF="release-7-4.html"
>Section E.232</A
>.
  </P
><DIV
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><H2
CLASS="SECT2"
><A
NAME="AEN147388"
>E.223.1. Migration to Version 7.4.9</A
></H2
><P
>    A dump/restore is not required for those running 7.4.X.  However,
    if you are upgrading from a version earlier than 7.4.8,
    see <A
HREF="release-7-4-8.html"
>Section E.224</A
>.
   </P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN147392"
>E.223.2. Changes</A
></H2
><P
></P
><UL
><LI
><P
>Fix error that allowed <TT
CLASS="COMMAND"
>VACUUM</TT
> to remove
<TT
CLASS="LITERAL"
>ctid</TT
> chains too soon, and add more checking in code that follows
<TT
CLASS="LITERAL"
>ctid</TT
> links</P
><P
>This fixes a long-standing problem that could cause crashes in very rare
circumstances.</P
></LI
><LI
><P
>Fix <TT
CLASS="TYPE"
>CHAR()</TT
> to properly pad spaces to the specified
length when using a multiple-byte character set (Yoshiyuki Asaba)</P
><P
>In prior releases, the padding of <TT
CLASS="TYPE"
>CHAR()</TT
> was incorrect
because it only padded to the specified number of bytes without
considering how many characters were stored.</P
></LI
><LI
><P
>Fix the sense of the test for read-only transaction
in <TT
CLASS="COMMAND"
>COPY</TT
></P
><P
>The code formerly prohibited <TT
CLASS="COMMAND"
>COPY TO</TT
>, where it should
prohibit <TT
CLASS="COMMAND"
>COPY FROM</TT
>.</P
></LI
><LI
><P
>Fix planning problem with outer-join ON clauses that reference
only the inner-side relation</P
></LI
><LI
><P
>Further fixes for <TT
CLASS="LITERAL"
>x FULL JOIN y ON true</TT
> corner
cases</P
></LI
><LI
><P
>Make <CODE
CLASS="FUNCTION"
>array_in</CODE
> and <CODE
CLASS="FUNCTION"
>array_recv</CODE
> more
paranoid about validating their OID parameter</P
></LI
><LI
><P
>Fix missing rows in queries like <TT
CLASS="LITERAL"
>UPDATE a=... WHERE
a...</TT
> with GiST index on column <TT
CLASS="LITERAL"
>a</TT
></P
></LI
><LI
><P
>Improve robustness of datetime parsing</P
></LI
><LI
><P
>Improve checking for partially-written WAL
pages</P
></LI
><LI
><P
>Improve robustness of signal handling when SSL is
enabled</P
></LI
><LI
><P
>Don't try to open more than <TT
CLASS="LITERAL"
>max_files_per_process</TT
>
files during postmaster startup</P
></LI
><LI
><P
>Various memory leakage fixes</P
></LI
><LI
><P
>Various portability improvements</P
></LI
><LI
><P
>Fix PL/pgSQL to handle <TT
CLASS="LITERAL"
>var := var</TT
> correctly when
the variable is of pass-by-reference type</P
></LI
><LI
><P
>Update <TT
CLASS="FILENAME"
>contrib/tsearch2</TT
> to use current Snowball
code</P
></LI
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