Release notes for 9.6.4, 9.5.8, 9.4.13, 9.3.18, 9.2.22.

1 files changed, 341 insertions, 0 deletions

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@@ -1,6 +1,347 @@
 <!-- doc/src/sgml/release-9.2.sgml -->
 <!-- See header comment in release.sgml about typical markup -->
 
+ <sect1 id="release-9-2-22">
+  <title>Release 9.2.22</title>
+
+  <formalpara>
+  <title>Release date:</title>
+  <para>2017-08-10</para>
+  </formalpara>
+
+  <para>
+   This release contains a variety of fixes from 9.2.21.
+   For information about new features in the 9.2 major release, see
+   <xref linkend="release-9-2">.
+  </para>
+
+  <para>
+   The <productname>PostgreSQL</> community will stop releasing updates
+   for the 9.2.X release series in September 2017.
+   Users are encouraged to update to a newer release branch soon.
+  </para>
+
+  <sect2>
+   <title>Migration to Version 9.2.22</title>
+
+   <para>
+    A dump/restore is not required for those running 9.2.X.
+   </para>
+
+   <para>
+    However, if you are upgrading from a version earlier than 9.2.20,
+    see <xref linkend="release-9-2-20">.
+   </para>
+
+  </sect2>
+
+  <sect2>
+   <title>Changes</title>
+
+   <itemizedlist>
+
+    <listitem>
+     <para>
+      On Windows, retry process creation if we fail to reserve the address
+      range for our shared memory in the new process (Tom Lane, Amit
+      Kapila)
+     </para>
+
+     <para>
+      This is expected to fix infrequent child-process-launch failures that
+      are probably due to interference from antivirus products.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix low-probability corruption of shared predicate-lock hash table
+      in Windows builds (Thomas Munro, Tom Lane)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Avoid logging clean closure of an SSL connection as though
+      it were a connection reset (Michael Paquier)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Prevent sending SSL session tickets to clients (Tom Lane)
+     </para>
+
+     <para>
+      This fix prevents reconnection failures with ticket-aware client-side
+      SSL code.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix code for setting <xref linkend="guc-tcp-keepalives-idle"> on
+      Solaris (Tom Lane)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix statistics collector to honor inquiry messages issued just after
+      a postmaster shutdown and immediate restart (Tom Lane)
+     </para>
+
+     <para>
+      Statistics inquiries issued within half a second of the previous
+      postmaster shutdown were effectively ignored.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Ensure that the statistics collector's receive buffer size is at
+      least 100KB (Tom Lane)
+     </para>
+
+     <para>
+      This reduces the risk of dropped statistics data on older platforms
+      whose default receive buffer size is less than that.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix possible creation of an invalid WAL segment when a standby is
+      promoted just after it processes an <literal>XLOG_SWITCH</> WAL
+      record (Andres Freund)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix <systemitem>SIGHUP</> and <systemitem>SIGUSR1</> handling in
+      walsender processes (Petr Jelinek, Andres Freund)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix unnecessarily slow restarts of <application>walreceiver</>
+      processes due to race condition in postmaster (Tom Lane)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix cases where an <command>INSERT</> or <command>UPDATE</> assigns
+      to more than one element of a column that is of domain-over-array
+      type (Tom Lane)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Move autogenerated array types out of the way during
+      <command>ALTER ... RENAME</> (Vik Fearing)
+     </para>
+
+     <para>
+      Previously, we would rename a conflicting autogenerated array type
+      out of the way during <command>CREATE</>; this fix extends that
+      behavior to renaming operations.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Ensure that <command>ALTER USER ... SET</> accepts all the syntax
+      variants that <command>ALTER ROLE ... SET</> does (Peter Eisentraut)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Properly update dependency info when changing a datatype I/O
+      function's argument or return type from <type>opaque</> to the
+      correct type (Heikki Linnakangas)
+     </para>
+
+     <para>
+      <command>CREATE TYPE</> updates I/O functions declared in this
+      long-obsolete style, but it forgot to record a dependency on the
+      type, allowing a subsequent <command>DROP TYPE</> to leave broken
+      function definitions behind.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Reduce memory usage when <command>ANALYZE</> processes
+      a <type>tsvector</> column (Heikki Linnakangas)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix unnecessary precision loss and sloppy rounding when multiplying
+      or dividing <type>money</> values by integers or floats (Tom Lane)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Tighten checks for whitespace in functions that parse identifiers,
+      such as <function>regprocedurein()</> (Tom Lane)
+     </para>
+
+     <para>
+      Depending on the prevailing locale, these functions could
+      misinterpret fragments of multibyte characters as whitespace.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Use relevant <literal>#define</> symbols from Perl while
+      compiling <application>PL/Perl</> (Ashutosh Sharma, Tom Lane)
+     </para>
+
+     <para>
+      This avoids portability problems, typically manifesting as
+      a <quote>handshake</> mismatch during library load, when working with
+      recent Perl versions.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      In <application>psql</>, fix failure when <command>COPY FROM STDIN</>
+      is ended with a keyboard EOF signal and then another <command>COPY
+      FROM STDIN</> is attempted (Thomas Munro)
+     </para>
+
+     <para>
+      This misbehavior was observed on BSD-derived platforms (including
+      macOS), but not on most others.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix <application>pg_dump</> to not emit invalid SQL for an empty
+      operator class (Daniel Gustafsson)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix <application>pg_dump</> output to stdout on Windows (Kuntal Ghosh)
+     </para>
+
+     <para>
+      A compressed plain-text dump written to stdout would contain corrupt
+      data due to failure to put the file descriptor into binary mode.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix <function>pg_get_ruledef()</> to print correct output for
+      the <literal>ON SELECT</> rule of a view whose columns have been
+      renamed (Tom Lane)
+     </para>
+
+     <para>
+      In some corner cases, <application>pg_dump</> relies
+      on <function>pg_get_ruledef()</> to dump views, so that this error
+      could result in dump/reload failures.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix dumping of function expressions in the <literal>FROM</> clause in
+      cases where the expression does not deparse into something that looks
+      like a function call (Tom Lane)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix <application>pg_basebackup</> output to stdout on Windows
+      (Haribabu Kommi)
+     </para>
+
+     <para>
+      A backup written to stdout would contain corrupt data due to failure
+      to put the file descriptor into binary mode.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix <application>pg_upgrade</> to ensure that the ending WAL record
+      does not have <xref linkend="guc-wal-level"> = <literal>minimum</>
+      (Bruce Momjian)
+     </para>
+
+     <para>
+      This condition could prevent upgraded standby servers from
+      reconnecting.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Always use <option>-fPIC</>, not <option>-fpic</>, when building
+      shared libraries with gcc (Tom Lane)
+     </para>
+
+     <para>
+      This supports larger extension libraries on platforms where it makes
+      a difference.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix unescaped-braces issue in our build scripts for Microsoft MSVC,
+      to avoid a warning or error from recent Perl versions (Andrew
+      Dunstan)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      In MSVC builds, handle the case where the <application>openssl</>
+      library is not within a <filename>VC</> subdirectory (Andrew Dunstan)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      In MSVC builds, add proper include path for <application>libxml2</>
+      header files (Andrew Dunstan)
+     </para>
+
+     <para>
+      This fixes a former need to move things around in standard Windows
+      installations of <application>libxml2</>.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      In MSVC builds, recognize a Tcl library that is
+      named <filename>tcl86.lib</> (Noah Misch)
+     </para>
+    </listitem>
+
+   </itemizedlist>
+
+  </sect2>
+ </sect1>
+
  <sect1 id="release-9-2-21">
   <title>Release 9.2.21</title>