<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >sesam_seek_row</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="SESAM Database Functions" HREF="ref.sesam.html"><LINK REL="PREVIOUS" TITLE="sesam_rollback" HREF="function.sesam-rollback.html"><LINK REL="NEXT" TITLE="sesam_settransaction" HREF="function.sesam-settransaction.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" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.sesam-rollback.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.sesam-settransaction.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.sesam-seek-row" ></A >sesam_seek_row</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN202582" ></A ><P > (PHP 3 CVS only)</P >sesam_seek_row -- Set scrollable cursor mode for subsequent fetches</DIV ><DIV CLASS="refsect1" ><A NAME="AEN202585" ></A ><H2 >Descrição</H2 >bool <B CLASS="methodname" >sesam_seek_row</B > ( string result_id, int whence [, int offset] )<BR ></BR ><P > Sets the scrollable cursor mode for subsequent fetches. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN202600" ></A ><H2 >Parâmetros</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >result_id</CODE ></DT ><DD ><P > <CODE CLASS="parameter" >result_id</CODE > is a valid result id (select type queries only, and only if a "scrollable" cursor was requested when calling <A HREF="function.sesam-query.html" ><B CLASS="function" >sesam_query()</B ></A >). </P ></DD ><DT ><CODE CLASS="parameter" >whence</CODE ></DT ><DD ><P > <CODE CLASS="parameter" >whence</CODE > sets the global default value for the scrolling type, it specifies the scroll type to use in subsequent fetch operations on "scrollable" cursors, which can be set to the following predefined constants: <DIV CLASS="table" ><A NAME="AEN202617" ></A ><P ><B >Tabela 1. Valid values for <CODE CLASS="parameter" >whence</CODE ></B ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><COL><THEAD ><TR ><TH >Value</TH ><TH >Constant</TH ><TH >Meaning</TH ></TR ></THEAD ><TBODY ><TR ><TD >0</TD ><TD ><TT CLASS="constant" ><B >SESAM_SEEK_NEXT</B ></TT ></TD ><TD >read sequentially </TD ></TR ><TR ><TD >1</TD ><TD ><TT CLASS="constant" ><B >SESAM_SEEK_PRIOR</B ></TT ></TD ><TD >read sequentially backwards </TD ></TR ><TR ><TD >2</TD ><TD ><TT CLASS="constant" ><B >SESAM_SEEK_FIRST</B ></TT ></TD ><TD > fetch first row (after fetch, the default is set to <TT CLASS="constant" ><B >SESAM_SEEK_NEXT</B ></TT >) </TD ></TR ><TR ><TD >3</TD ><TD ><TT CLASS="constant" ><B >SESAM_SEEK_LAST</B ></TT ></TD ><TD > fetch last row (after fetch, the default is set to <TT CLASS="constant" ><B >SESAM_SEEK_PRIOR</B ></TT >) </TD ></TR ><TR ><TD >4</TD ><TD ><TT CLASS="constant" ><B >SESAM_SEEK_ABSOLUTE</B ></TT ></TD ><TD > fetch absolute row number given as <CODE CLASS="parameter" >offset</CODE > (Zero-based. After fetch, the default is set to <TT CLASS="constant" ><B >SESAM_SEEK_ABSOLUTE</B ></TT >, and the offset value is auto-incremented) </TD ></TR ><TR ><TD >5</TD ><TD ><TT CLASS="constant" ><B >SESAM_SEEK_RELATIVE</B ></TT ></TD ><TD > fetch relative to current scroll position, where <CODE CLASS="parameter" >offset</CODE > can be a positive or negative offset value (this also sets the default "offset" value for subsequent fetches). </TD ></TR ></TBODY ></TABLE ></DIV > </P ></DD ><DT ><CODE CLASS="parameter" >offset</CODE ></DT ><DD ><P > An optional parameter which is only evaluated (and required) if <CODE CLASS="parameter" >whence</CODE > is either <TT CLASS="constant" ><B >SESAM_SEEK_RELATIVE</B ></TT > or <TT CLASS="constant" ><B >SESAM_SEEK_ABSOLUTE</B ></TT >. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN202670" ></A ><H2 >Valores de retornado</H2 ><P > Retorna <TT CLASS="constant" ><B >TRUE</B ></TT > em caso de sucesso ou <TT CLASS="constant" ><B >FALSE</B ></TT > em falhas. </P ></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.sesam-rollback.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.sesam-settransaction.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >sesam_rollback</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.sesam.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >sesam_settransaction</TD ></TR ></TABLE ></DIV ></BODY ></HTML >