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>fbsql_affected_rows</H1
><DIV
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><A
NAME="AEN58169"
></A
><P
> (PHP 4 >= 4.0.6, PHP 5)</P
>fbsql_affected_rows -- Get number of affected rows in previous FrontBase operation</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN58172"
></A
><H2
>说明</H2
>int <B
CLASS="methodname"
>fbsql_affected_rows</B
> ( [resource link_identifier] )<BR
></BR
><P
> <B
CLASS="function"
>fbsql_affected_rows()</B
> returns the number
of rows affected by the last INSERT, UPDATE or DELETE query
associated with <CODE
CLASS="parameter"
>link_identifier</CODE
>.
</P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
If you are using transactions, you need to call
<B
CLASS="function"
>fbsql_affected_rows()</B
> after your INSERT,
UPDATE, or DELETE query, not after the commit.
</P
></BLOCKQUOTE
></DIV
><P
> If the last query was a DELETE query with no WHERE clause, all of
the records will have been deleted from the table but this
function will return zero.
</P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
When using UPDATE, FrontBase will not update columns where the
new value is the same as the old value. This creates the
possibility that <B
CLASS="function"
>fbsql_affected_rows()</B
> may not
actually equal the number of rows matched, only the number of
rows that were literally affected by the query.
</P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN58190"
></A
><H2
>参数</H2
><P
> <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
> link_identifier</CODE
></DT
><DD
><P
>A FrontBase link identifier
returned by <A
HREF="function.fbsql-connect.html"
><B
CLASS="function"
>fbsql_connect()</B
></A
> or
<A
HREF="function.fbsql-pconnect.html"
><B
CLASS="function"
>fbsql_pconnect()</B
></A
>.</P
><P
>If optional and not specified,
the function will try to find an open link to the FrontBase server and if no
such link is found it will try to create one as if
<A
HREF="function.fbsql-connect.html"
><B
CLASS="function"
>fbsql_connect()</B
></A
> was called with no arguments</P
></DD
></DL
></DIV
>
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN58203"
></A
><H2
>返回值</H2
><P
> If the last query failed, this function will return -1.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN58206"
></A
><H2
>参见</H2
><P
> <P
></P
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><TD
><A
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><B
CLASS="function"
>fbsql_num_rows()</B
></A
></TD
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