<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Release 7.4.9</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 8.0.11 Documentation" HREF="index.html"><LINK REL="UP" TITLE="Release Notes" HREF="release.html"><LINK REL="PREVIOUS" TITLE="Release 7.4.10" HREF="release-7-4-10.html"><LINK REL="NEXT" TITLE="Release 7.4.8" HREF="release-7-4-8.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="2007-02-02T03:57:22"></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" >PostgreSQL 8.0.11 Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="release-7-4-10.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="release.html" >Fast Backward</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" >Appendix E. Release Notes</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="top" ><A HREF="release.html" >Fast Forward</A ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="top" ><A HREF="release-7-4-8.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="RELEASE-7-4-9" >E.20. 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. </P ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN69640" >E.20.1. 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 the release notes for 7.4.8. </P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN69643" >E.20.2. 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 ></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-7-4-10.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-7-4-8.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Release 7.4.10</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 7.4.8</TD ></TR ></TABLE ></DIV ></BODY ></HTML >