<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >fbsql_set_lob_mode</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="FrontBase Functions" HREF="ref.fbsql.html"><LINK REL="PREVIOUS" TITLE="fbsql_set_characterset" HREF="function.fbsql-set-characterset.html"><LINK REL="NEXT" TITLE="fbsql_set_password" HREF="function.fbsql-set-password.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.fbsql-set-characterset.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.fbsql-set-password.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.fbsql-set-lob-mode" ></A >fbsql_set_lob_mode</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN60685" ></A ><P > (PHP 4 >= 4.2.0, PHP 5)</P >fbsql_set_lob_mode -- Set the LOB retrieve mode for a FrontBase result set</DIV ><DIV CLASS="refsect1" ><A NAME="AEN60688" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >fbsql_set_lob_mode</B > ( resource result, int lob_mode )<BR ></BR ><P > Sets the mode for retrieving LOB data from the database. </P ><P > When BLOB and CLOB data is retrieved in FrontBase it can be retrieved direct or indirect. Direct retrieved LOB data will always be fetched no matter the setting of the lob mode. If the LOB data is less than 512 bytes it will always be retrieved directly. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN60701" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" > result</CODE ></DT ><DD ><P >A result identifier returned by <A HREF="function.fbsql-query.html" ><B CLASS="function" >fbsql_query()</B ></A > or <A HREF="function.fbsql-db-query.html" ><B CLASS="function" >fbsql_db_query()</B ></A >.</P ></DD ><DT ><CODE CLASS="parameter" >lob_mode</CODE ></DT ><DD ><P > Can be one of: <P ></P ><UL ><LI ><P > <TT CLASS="constant" ><B >FBSQL_LOB_DIRECT</B ></TT > - LOB data is retrieved directly. When data is fetched from the database with <A HREF="function.fbsql-fetch-row.html" ><B CLASS="function" >fbsql_fetch_row()</B ></A >, and other fetch functions, all CLOB and BLOB columns will be returned as ordinary columns. This is the default value on a new FrontBase result. </P ></LI ><LI ><P > <TT CLASS="constant" ><B >FBSQL_LOB_HANDLE</B ></TT > - LOB data is retrieved as handles to the data. When data is fetched from the database with <A HREF="function.fbsql-fetch-row.html" ><B CLASS="function" >fbsql_fetch_row()</B ></A >, and other fetch functions, LOB data will be returned as a handle to the data if the data is stored indirect or the data if it is stored direct. If a handle is returned it will be a 27 byte string formatted as <TT CLASS="literal" >@'000000000000000000000000'</TT >. </P ></LI ></UL > </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN60727" ></A ><H2 >返回值</H2 ><P > 如果成功则返回 <TT CLASS="constant" ><B >TRUE</B ></TT >,失败则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN60732" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.fbsql-create-blob.html" ><B CLASS="function" >fbsql_create_blob()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.fbsql-create-clob.html" ><B CLASS="function" >fbsql_create_clob()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.fbsql-read-blob.html" ><B CLASS="function" >fbsql_read_blob()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.fbsql-read-clob.html" ><B CLASS="function" >fbsql_read_clob()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </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.fbsql-set-characterset.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.fbsql-set-password.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >fbsql_set_characterset</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.fbsql.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >fbsql_set_password</TD ></TR ></TABLE ></DIV ></BODY ></HTML >