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php-manual-pt_BR-5.2.4-1mdv2008.1.noarch.rpm

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>pg_field_type_oid</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN181267"
></A
><P
>    (PHP 5 &#62;= 5.1.0RC1)</P
>pg_field_type_oid&nbsp;--&nbsp;
   Returns the type ID (OID) for the corresponding field number
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181270"
></A
><H2
>Descrição</H2
>int <B
CLASS="methodname"
>pg_field_type_oid</B
> ( resource result, int field_number )<BR
></BR
><P
>&#13;   <B
CLASS="function"
>pg_field_type_oid()</B
> returns an integer containing the
   OID of the base type of the given <CODE
CLASS="parameter"
>field_number</CODE
> in the
   given PostgreSQL <CODE
CLASS="parameter"
>result</CODE
> resource.
  </P
><P
>&#13;    You can get more information about the field type by querying PostgreSQL's
    <TT
CLASS="literal"
>pg_type</TT
> system table using the OID obtained with this function.
    The PostgreSQL <B
CLASS="function"
>format_type()</B
> function will convert a
    type OID into an SQL standard type name.
  </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
    If the field uses a PostgreSQL domain (rather than a basic type), it is
    the OID of the domain's underlying type that is returned, rather than the OID
    of the domain itself.
   </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181290"
></A
><H2
>Parâmetros</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>result</CODE
></DT
><DD
><P
>&#13;       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
>&#13;        Field number, starting from 0.
       </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181307"
></A
><H2
>Valores de retornado</H2
><P
>&#13;   The OID of the field's base type. <TT
CLASS="constant"
><B
>FALSE</B
></TT
> is returned on error.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181311"
></A
><H2
>Exemplos</H2
><P
>&#13;   <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN181314"
></A
><P
><B
>Exemplo 1. Getting information about fields</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />&nbsp;&nbsp;$dbconn </font><font color="#007700">= </font><font color="#0000BB">pg_connect</font><font color="#007700">(</font><font color="#DD0000">"dbname=publisher"</font><font color="#007700">) or die(</font><font color="#DD0000">"Could not connect"</font><font color="#007700">);<br /><br />&nbsp;&nbsp;</font><font color="#FF8000">// Assume 'title' is a varchar type<br />&nbsp;&nbsp;</font><font color="#0000BB">$res </font><font color="#007700">= </font><font color="#0000BB">pg_query</font><font color="#007700">(</font><font color="#0000BB">$dbconn</font><font color="#007700">, </font><font color="#DD0000">"select title from authors where author = 'Orwell'"</font><font color="#007700">);<br /><br />&nbsp;&nbsp;echo </font><font color="#DD0000">"Title field type OID: "</font><font color="#007700">, </font><font color="#0000BB">pg_field_type_oid</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>O exemplo acima irá imprimir:</P
><TABLE
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><TR
><TD
><PRE
CLASS="screen"
>Title field type OID: 1043</PRE
></TD
></TR
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></DIV
></TD
></TR
></TABLE
> 
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN181319"
></A
><H2
>Veja também</H2
><P
>&#13;   <P
></P
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><A
HREF="function.pg-field-type.html"
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CLASS="function"
>pg_field_type()</B
></A
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><B
CLASS="function"
>pg_field_prtlen()</B
></A
></TD
></TR
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><B
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>pg_field_name()</B
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