<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >pg_field_table</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="PostgreSQL" HREF="ref.pgsql.html"><LINK REL="PREVIOUS" TITLE="pg_field_size" HREF="function.pg-field-size.html"><LINK REL="NEXT" TITLE="pg_field_type_oid" HREF="function.pg-field-type-oid.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.pg-field-size.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.pg-field-type-oid.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pg-field-table" ></A >pg_field_table</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN181197" ></A ><P > (no version information, might be only in CVS)</P >pg_field_table -- Returns the name or oid of the tables field</DIV ><DIV CLASS="refsect1" ><A NAME="AEN181200" ></A ><H2 >Descrição</H2 >mixed <B CLASS="methodname" >pg_field_table</B > ( resource result, int field_number, bool oid_only )<BR ></BR ><P > <B CLASS="function" >pg_field_table()</B > returns the name of the table that field belongs to, or the table's oid if <CODE CLASS="parameter" >oid_only</CODE > is <TT CLASS="constant" ><B >TRUE</B ></TT >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181218" ></A ><H2 >Parâmetros</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >result</CODE ></DT ><DD ><P > PostgreSQL query result resource, returned by <A HREF="function.pg-query.html" ><B CLASS="function" >pg_query()</B ></A >, <A HREF="function.pg-query-params.html" ><B CLASS="function" >pg_query_params()</B ></A > or <A HREF="function.pg-execute.html" ><B CLASS="function" >pg_execute()</B ></A > (among others). </P ></DD ><DT ><CODE CLASS="parameter" >field_number</CODE ></DT ><DD ><P > Field number, starting from 0. </P ></DD ><DT ><CODE CLASS="parameter" >oid_only</CODE ></DT ><DD ><P > By default the tables name that field belongs to is returned but if <CODE CLASS="parameter" >oid_only</CODE > is set to <TT CLASS="constant" ><B >TRUE</B ></TT >, then the oid will instead be returned. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181242" ></A ><H2 >Valores de retornado</H2 ><P > On success either the fields table name or oid. Or, <TT CLASS="constant" ><B >FALSE</B ></TT > on failure. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181246" ></A ><H2 >Exemplos</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN181249" ></A ><P ><B >Exemplo 1. Getting table information about a field</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$dbconn </font><font color="#007700">= </font><font color="#0000BB">pg_connect</font><font color="#007700">(</font><font color="#DD0000">"dbname=publisher"</font><font color="#007700">) or die(</font><font color="#DD0000">"Could not connect"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$res </font><font color="#007700">= </font><font color="#0000BB">pg_query</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">, </font><font color="#DD0000">"SELECT bar FROM foo"</font><font color="#007700">);<br /><br />echo </font><font color="#0000BB">pg_field_table</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">);<br />echo </font><font color="#0000BB">pg_field_table</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">true</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$res </font><font color="#007700">= </font><font color="#0000BB">pg_query</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">, </font><font color="#DD0000">"SELECT version()"</font><font color="#007700">);<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">pg_field_table</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">));<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >O exemplo acima irá imprimir algo similar a:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >foo 14379580 bool(false)</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181254" ></A ><H2 >Notas</H2 ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Nota: </B > Returning the oid is much faster than returning the table name because fetching the table name requires a query to the database system table. </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181258" ></A ><H2 >Veja também</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.pg-field-name.html" ><B CLASS="function" >pg_field_name()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.pg-field-type.html" ><B CLASS="function" >pg_field_type()</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.pg-field-size.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.pg-field-type-oid.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >pg_field_size</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.pgsql.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >pg_field_type_oid</TD ></TR ></TABLE ></DIV ></BODY ></HTML >