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>pg_affected_rows</H1
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><P
>    (PHP 4 &#62;= 4.2.0, PHP 5)</P
>pg_affected_rows&nbsp;--&nbsp;返回受影响的记录数目</DIV
><DIV
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NAME="AEN184573"
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><H2
>说明</H2
>int <B
CLASS="methodname"
>pg_affected_rows</B
> ( resource result )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>pg_affected_rows()</B
> 返回在 <A
HREF="function.pg-query.html"
><B
CLASS="function"
>pg_query()</B
></A
>
     中执行 INSERT，UPDATE 和 DELETE
     查询后受到影响的记录数目（包括实例／记录／行）。如果本函数没有影响到任何记录，则返回 0。
    </P
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><B
>例 1. <B
CLASS="function"
>pg_affected_rows()</B
> 例子</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$result </font><font color="#007700">= </font><font color="#0000BB">pg_query</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">, </font><font color="#DD0000">"INSERT INTO authors VALUES ('Orwell', 2002, 'Animal Farm')"</font><font color="#007700">);<br /></font><font color="#0000BB">$cmdtuples </font><font color="#007700">= </font><font color="#0000BB">pg_affected_rows</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br />echo </font><font color="#0000BB">$cmdtuples </font><font color="#007700">. </font><font color="#DD0000">" tuples are affected.\n"</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
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>
    </P
><DIV
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><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
      本函数以前被称为 <TT
CLASS="literal"
>pg_cmdtuples()</TT
>。
     </P
></BLOCKQUOTE
></DIV
><P
>&#13;     参见 <A
HREF="function.pg-query.html"
><B
CLASS="function"
>pg_query()</B
></A
> 和 <A
HREF="function.pg-num-rows.html"
><B
CLASS="function"
>pg_num_rows()</B
></A
>。
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