<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Release 7.4.15</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 7.4.16" HREF="release-7-4-16.html"><LINK REL="NEXT" TITLE="Release 7.4.14" HREF="release-7-4-14.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-7-4-16.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-7-4-14.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="RELEASE-7-4-15" >E.14. Release 7.4.15</A ></H1 ><DIV CLASS="NOTE" ><BLOCKQUOTE CLASS="NOTE" ><P ><B >Release date: </B >2007-01-08</P ></BLOCKQUOTE ></DIV ><P > This release contains a variety of fixes from 7.4.14. </P ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN69409" >E.14.1. Migration to version 7.4.15</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 7.4.11, see the release notes for 7.4.11. </P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN69412" >E.14.2. Changes</A ></H2 ><P ></P ><UL ><LI ><P > Improve handling of <CODE CLASS="FUNCTION" >getaddrinfo()</CODE > on AIX (Tom) </P ><P > This fixes a problem with starting the statistics collector, among other things. </P ></LI ><LI ><P > Fix <SPAN CLASS="QUOTE" >"failed to re-find parent key"</SPAN > errors in <TT CLASS="COMMAND" >VACUUM</TT > (Tom) </P ></LI ><LI ><P > Fix bugs affecting multi-gigabyte hash indexes (Tom) </P ></LI ><LI ><P > Fix error when constructing an <TT CLASS="LITERAL" >ARRAY[]</TT > made up of multiple empty elements (Tom) </P ></LI ><LI ><P > <CODE CLASS="FUNCTION" >to_number()</CODE > and <CODE CLASS="FUNCTION" >to_char(numeric)</CODE > are now <TT CLASS="LITERAL" >STABLE</TT >, not <TT CLASS="LITERAL" >IMMUTABLE</TT >, for new <SPAN CLASS="APPLICATION" >initdb</SPAN > installs (Tom) </P ><P > This is because <TT CLASS="VARNAME" >lc_numeric</TT > can potentially change the output of these functions. </P ></LI ><LI ><P > Improve index usage of regular expressions that use parentheses (Tom) </P ><P > This improves <SPAN CLASS="APPLICATION" >psql</SPAN > <TT CLASS="LITERAL" >\d</TT > performance also. </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-7-4-16.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-7-4-14.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Release 7.4.16</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 7.4.14</TD ></TR ></TABLE ></DIV ></BODY ></HTML >