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>Appendix E. Release Notes</TD
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><A
NAME="RELEASE-9-0-14"
>E.60. Release 9.0.14</A
></H1
><DIV
CLASS="FORMALPARA"
><P
><B
>Release date: </B
>2013-10-10</P
></DIV
><P
>   This release contains a variety of fixes from 9.0.13.
   For information about new features in the 9.0 major release, see
   <A
HREF="release-9-0.html"
>Section E.74</A
>.
  </P
><DIV
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><H2
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><A
NAME="AEN121550"
>E.60.1. Migration to Version 9.0.14</A
></H2
><P
>    A dump/restore is not required for those running 9.0.X.
   </P
><P
>    However, if you are upgrading from a version earlier than 9.0.13,
    see <A
HREF="release-9-0-13.html"
>Section E.61</A
>.
   </P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN121555"
>E.60.2. Changes</A
></H2
><P
></P
><UL
><LI
><P
>      Prevent corruption of multi-byte characters when attempting to
      case-fold identifiers (Andrew Dunstan)
     </P
><P
>      <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> case-folds non-ASCII characters only
      when using a single-byte server encoding.
     </P
></LI
><LI
><P
>      Fix checkpoint memory leak in background writer when <TT
CLASS="LITERAL"
>wal_level =
      hot_standby</TT
> (Naoya Anzai)
     </P
></LI
><LI
><P
>      Fix memory leak caused by <CODE
CLASS="FUNCTION"
>lo_open()</CODE
> failure
      (Heikki Linnakangas)
     </P
></LI
><LI
><P
>      Fix memory overcommit bug when <TT
CLASS="VARNAME"
>work_mem</TT
> is using more
      than 24GB of memory (Stephen Frost)
     </P
></LI
><LI
><P
>      Fix deadlock bug in libpq when using SSL (Stephen Frost)
     </P
></LI
><LI
><P
>      Fix possible SSL state corruption in threaded libpq applications
      (Nick Phillips, Stephen Frost)
     </P
></LI
><LI
><P
>      Properly compute row estimates for boolean columns containing many NULL
      values (Andrew Gierth)
     </P
><P
>      Previously tests like <TT
CLASS="LITERAL"
>col IS NOT TRUE</TT
> and <TT
CLASS="LITERAL"
>col IS
      NOT FALSE</TT
> did not properly factor in NULL values when estimating
      plan costs.
     </P
></LI
><LI
><P
>      Prevent pushing down <TT
CLASS="LITERAL"
>WHERE</TT
> clauses into unsafe
      <TT
CLASS="LITERAL"
>UNION/INTERSECT</TT
> subqueries (Tom Lane)
     </P
><P
>      Subqueries of a <TT
CLASS="LITERAL"
>UNION</TT
> or <TT
CLASS="LITERAL"
>INTERSECT</TT
> that
      contain set-returning functions or volatile functions in their
      <TT
CLASS="LITERAL"
>SELECT</TT
> lists could be improperly optimized, leading to
      run-time errors or incorrect query results.
     </P
></LI
><LI
><P
>      Fix rare case of <SPAN
CLASS="QUOTE"
>"failed to locate grouping columns"</SPAN
>
      planner failure (Tom Lane)
     </P
></LI
><LI
><P
>      Improve view dumping code's handling of dropped columns in referenced
      tables (Tom Lane)
     </P
></LI
><LI
><P
>      Properly record index comments created using <TT
CLASS="LITERAL"
>UNIQUE</TT
>
      and <TT
CLASS="LITERAL"
>PRIMARY KEY</TT
> syntax (Andres Freund)
     </P
><P
>      This fixes a parallel <SPAN
CLASS="APPLICATION"
>pg_restore</SPAN
> failure.
     </P
></LI
><LI
><P
>      Fix <TT
CLASS="COMMAND"
>REINDEX TABLE</TT
> and <TT
CLASS="COMMAND"
>REINDEX DATABASE</TT
>
      to properly revalidate constraints and mark invalidated indexes as
      valid (Noah Misch)
     </P
><P
>      <TT
CLASS="COMMAND"
>REINDEX INDEX</TT
> has always worked properly.
     </P
></LI
><LI
><P
>      Fix possible deadlock during concurrent <TT
CLASS="COMMAND"
>CREATE INDEX
      CONCURRENTLY</TT
> operations (Tom Lane)
     </P
></LI
><LI
><P
>      Fix <CODE
CLASS="FUNCTION"
>regexp_matches()</CODE
> handling of zero-length matches
      (Jeevan Chalke)
     </P
><P
>      Previously, zero-length matches like '^' could return too many matches.
     </P
></LI
><LI
><P
>      Fix crash for overly-complex regular expressions (Heikki Linnakangas)
     </P
></LI
><LI
><P
>      Fix regular expression match failures for back references combined with
      non-greedy quantifiers (Jeevan Chalke)
     </P
></LI
><LI
><P
>      Prevent <TT
CLASS="COMMAND"
>CREATE FUNCTION</TT
> from checking <TT
CLASS="COMMAND"
>SET</TT
>
      variables unless function body checking is enabled (Tom Lane)
     </P
></LI
><LI
><P
>      Allow <TT
CLASS="COMMAND"
>ALTER DEFAULT PRIVILEGES</TT
> to operate on schemas
      without requiring CREATE permission (Tom Lane)
     </P
></LI
><LI
><P
>      Loosen restriction on keywords used in queries (Tom Lane)
     </P
><P
>      Specifically, lessen keyword restrictions for role names, language
      names, <TT
CLASS="COMMAND"
>EXPLAIN</TT
> and <TT
CLASS="COMMAND"
>COPY</TT
> options, and
      <TT
CLASS="COMMAND"
>SET</TT
> values.  This allows <TT
CLASS="LITERAL"
>COPY ... (FORMAT
      BINARY)</TT
> to work as expected; previously <TT
CLASS="LITERAL"
>BINARY</TT
> needed
      to be quoted.
     </P
></LI
><LI
><P
>      Fix <CODE
CLASS="FUNCTION"
>pgp_pub_decrypt()</CODE
> so it works for secret keys with
      passwords (Marko Kreen)
     </P
></LI
><LI
><P
>      Remove rare inaccurate warning during vacuum of index-less tables
      (Heikki Linnakangas)
     </P
></LI
><LI
><P
>      Ensure that <TT
CLASS="COMMAND"
>VACUUM ANALYZE</TT
> still runs the ANALYZE phase
      if its attempt to truncate the file is cancelled due to lock conflicts
      (Kevin Grittner)
     </P
></LI
><LI
><P
>      Avoid possible failure when performing transaction control commands (e.g
      ROLLBACK) in prepared queries (Tom Lane)
     </P
></LI
><LI
><P
>      Ensure that floating-point data input accepts standard spellings
      of <SPAN
CLASS="QUOTE"
>"infinity"</SPAN
> on all platforms (Tom Lane)
     </P
><P
>      The C99 standard says that allowable spellings are <TT
CLASS="LITERAL"
>inf</TT
>,
      <TT
CLASS="LITERAL"
>+inf</TT
>, <TT
CLASS="LITERAL"
>-inf</TT
>, <TT
CLASS="LITERAL"
>infinity</TT
>,
      <TT
CLASS="LITERAL"
>+infinity</TT
>, and <TT
CLASS="LITERAL"
>-infinity</TT
>.  Make sure we
      recognize these even if the platform's <CODE
CLASS="FUNCTION"
>strtod</CODE
> function
      doesn't.
     </P
></LI
><LI
><P
>      Expand ability to compare rows to records and arrays (Rafal Rzepecki,
      Tom Lane)
     </P
></LI
><LI
><P
>      Update time zone data files to <SPAN
CLASS="APPLICATION"
>tzdata</SPAN
> release 2013d
      for DST law changes in Israel, Morocco, Palestine, and Paraguay.
      Also, historical zone data corrections for Macquarie Island.
     </P
></LI
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