<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >dbplus_rkeys</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="DB++ Functions" HREF="ref.dbplus.html"><LINK REL="PREVIOUS" TITLE="dbplus_restorepos" HREF="function.dbplus-restorepos.html"><LINK REL="NEXT" TITLE="dbplus_ropen" HREF="function.dbplus-ropen.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.dbplus-restorepos.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.dbplus-ropen.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.dbplus-rkeys" ></A >dbplus_rkeys</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN31899" ></A ><P > (4.1.0 - 4.2.3 only, PECL)</P >dbplus_rkeys -- Specify new primary key for a relation</DIV ><DIV CLASS="refsect1" ><A NAME="AEN31902" ></A ><H2 >说明</H2 >mixed <B CLASS="methodname" >dbplus_rkeys</B > ( resource relation, mixed domlist )<BR ></BR ><P > <B CLASS="function" >dbplus_rkeys()</B > will replace the current primary key for <CODE CLASS="parameter" >relation</CODE > with the combination of domains specified by <CODE CLASS="parameter" >domlist</CODE >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN31917" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >relation</CODE ></DT ><DD ><P > A relation opened by <A HREF="function.dbplus-open.html" ><B CLASS="function" >dbplus_open()</B ></A >. </P ></DD ><DT ><CODE CLASS="parameter" >domlist</CODE ></DT ><DD ><P > A combination of domains. May be passed as a single domain name string or as an array of domain names. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN31932" ></A ><H2 >返回值</H2 ><P > Returns resource on success or <A HREF="ref.dbplus.html#constant.dbplus-err-unknown" ><TT CLASS="constant" ><B >DBPLUS_ERR_UNKNOWN</B ></TT ></A > on failure. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN31936" ></A ><H2 >注释</H2 ><DIV CLASS="warning" ><P ></P ><TABLE CLASS="warning" BORDER="1" WIDTH="100%" ><TR ><TD ALIGN="CENTER" ><B >警告</B ></TD ></TR ><TR ><TD ALIGN="LEFT" ><P >本函数是<SPAN CLASS="emphasis" ><I CLASS="emphasis" >实验性</I ></SPAN >的。本函数的行为,包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。</P ></TD ></TR ></TABLE ></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="function.dbplus-restorepos.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.dbplus-ropen.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >dbplus_restorepos</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.dbplus.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >dbplus_ropen</TD ></TR ></TABLE ></DIV ></BODY ></HTML >