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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Release 8.2.8</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 9.2.24 Documentation" HREF="index.html"><LINK REL="UP" TITLE="Release Notes" HREF="release.html"><LINK REL="PREVIOUS" TITLE="Release 8.2.9" HREF="release-8-2-9.html"><LINK REL="NEXT" TITLE="Release 8.2.7" HREF="release-8-2-7.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"><META NAME="creation" CONTENT="2017-11-06T22:43:11"></HEAD ><BODY CLASS="SECT1" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="5" ALIGN="center" VALIGN="bottom" ><A HREF="index.html" >PostgreSQL 9.2.24 Documentation</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A TITLE="Release 8.2.9" HREF="release-8-2-9.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="release.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" >Appendix E. Release Notes</TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="Release 8.2.7" HREF="release-8-2-7.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="RELEASE-8-2-8" >E.137. Release 8.2.8</A ></H1 ><DIV CLASS="FORMALPARA" ><P ><B >Release date: </B >never released</P ></DIV ><P > This release contains a variety of fixes from 8.2.7. For information about new features in the 8.2 major release, see <A HREF="release-8-2.html" >Section E.145</A >. </P ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN133653" >E.137.1. Migration to Version 8.2.8</A ></H2 ><P > A dump/restore is not required for those running 8.2.X. However, if you are upgrading from a version earlier than 8.2.7, see <A HREF="release-8-2-7.html" >Section E.138</A >. </P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN133657" >E.137.2. Changes</A ></H2 ><P ></P ><UL ><LI ><P > Fix <TT CLASS="LITERAL" >ERRORDATA_STACK_SIZE exceeded</TT > crash that occurred on Windows when using UTF-8 database encoding and a different client encoding (Tom) </P ></LI ><LI ><P > Fix <TT CLASS="COMMAND" >ALTER TABLE ADD COLUMN ... PRIMARY KEY</TT > so that the new column is correctly checked to see if it's been initialized to all non-nulls (Brendan Jurd) </P ><P > Previous versions neglected to check this requirement at all. </P ></LI ><LI ><P > Fix possible <TT CLASS="COMMAND" >CREATE TABLE</TT > failure when inheriting the <SPAN CLASS="QUOTE" >"same"</SPAN > constraint from multiple parent relations that inherited that constraint from a common ancestor (Tom) </P ></LI ><LI ><P > Fix <CODE CLASS="FUNCTION" >pg_get_ruledef()</CODE > to show the alias, if any, attached to the target table of an <TT CLASS="COMMAND" >UPDATE</TT > or <TT CLASS="COMMAND" >DELETE</TT > (Tom) </P ></LI ><LI ><P > Fix GIN bug that could result in a <TT CLASS="LITERAL" >too many LWLocks taken</TT > failure (Teodor) </P ></LI ><LI ><P > Avoid possible crash when decompressing corrupted data (Zdenek Kotala) </P ></LI ><LI ><P > Repair two places where SIGTERM exit of a backend could leave corrupted state in shared memory (Tom) </P ><P > Neither case is very important if SIGTERM is used to shut down the whole database cluster together, but there was a problem if someone tried to SIGTERM individual backends. </P ></LI ><LI ><P > Fix conversions between ISO-8859-5 and other encodings to handle Cyrillic <SPAN CLASS="QUOTE" >"Yo"</SPAN > characters (<TT CLASS="LITERAL" >e</TT > and <TT CLASS="LITERAL" >E</TT > with two dots) (Sergey Burladyan) </P ></LI ><LI ><P > Fix several datatype input functions, notably <CODE CLASS="FUNCTION" >array_in()</CODE >, that were allowing unused bytes in their results to contain uninitialized, unpredictable values (Tom) </P ><P > This could lead to failures in which two apparently identical literal values were not seen as equal, resulting in the parser complaining about unmatched <TT CLASS="LITERAL" >ORDER BY</TT > and <TT CLASS="LITERAL" >DISTINCT</TT > expressions. </P ></LI ><LI ><P > Fix a corner case in regular-expression substring matching (<TT CLASS="LITERAL" >substring(<TT CLASS="REPLACEABLE" ><I >string</I ></TT > from <TT CLASS="REPLACEABLE" ><I >pattern</I ></TT >)</TT >) (Tom) </P ><P > The problem occurs when there is a match to the pattern overall but the user has specified a parenthesized subexpression and that subexpression hasn't got a match. An example is <TT CLASS="LITERAL" >substring('foo' from 'foo(bar)?')</TT >. This should return NULL, since <TT CLASS="LITERAL" >(bar)</TT > isn't matched, but it was mistakenly returning the whole-pattern match instead (ie, <TT CLASS="LITERAL" >foo</TT >). </P ></LI ><LI ><P > Update time zone data files to <SPAN CLASS="APPLICATION" >tzdata</SPAN > release 2008c (for DST law changes in Morocco, Iraq, Choibalsan, Pakistan, Syria, Cuba, and Argentina/San_Luis) </P ></LI ><LI ><P > Fix incorrect result from <SPAN CLASS="APPLICATION" >ecpg</SPAN >'s <CODE CLASS="FUNCTION" >PGTYPEStimestamp_sub()</CODE > function (Michael) </P ></LI ><LI ><P > Fix broken GiST comparison function for <TT CLASS="FILENAME" >contrib/tsearch2</TT >'s <TT CLASS="TYPE" >tsquery</TT > type (Teodor) </P ></LI ><LI ><P > Fix possible crashes in <TT CLASS="FILENAME" >contrib/cube</TT > functions (Tom) </P ></LI ><LI ><P > Fix core dump in <TT CLASS="FILENAME" >contrib/xml2</TT >'s <CODE CLASS="FUNCTION" >xpath_table()</CODE > function when the input query returns a NULL value (Tom) </P ></LI ><LI ><P > Fix <TT CLASS="FILENAME" >contrib/xml2</TT >'s makefile to not override <TT CLASS="LITERAL" >CFLAGS</TT > (Tom) </P ></LI ><LI ><P > Fix <TT CLASS="LITERAL" >DatumGetBool</TT > macro to not fail with <SPAN CLASS="APPLICATION" >gcc</SPAN > 4.3 (Tom) </P ><P > This problem affects <SPAN CLASS="QUOTE" >"old style"</SPAN > (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not realized at the time. </P ></LI ></UL ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="release-8-2-9.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="release-8-2-7.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Release 8.2.9</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="release.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Release 8.2.7</TD ></TR ></TABLE ></DIV ></BODY ></HTML >