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>sesam_rollback</H1
><DIV
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NAME="AEN207197"
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><P
> (PHP 3 CVS only)</P
>sesam_rollback -- Discard any pending updates to the SESAM database</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN207200"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>sesam_rollback</B
> ( void )<BR
></BR
><P
> <B
CLASS="function"
>sesam_rollback()</B
> discards any pending updates
to the database. Also affected are result cursors and result
descriptors.
</P
><P
> At the end of each script, and as part of the
<A
HREF="function.sesam-disconnect.html"
><B
CLASS="function"
>sesam_disconnect()</B
></A
> function, an implied
<B
CLASS="function"
>sesam_rollback()</B
> is executed, discarding any
pending changes to the database.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN207211"
></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
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><DIV
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><A
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></A
><H2
>范例</H2
><P
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><P
><B
>例 1. Discarding an update to the SESAM database</B
></P
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><code><font color="#000000">
<font color="#0000BB"><?php<br /></font><font color="#007700">if (</font><font color="#0000BB">sesam_connect </font><font color="#007700">(</font><font color="#DD0000">"mycatalog"</font><font color="#007700">, </font><font color="#DD0000">"myschema"</font><font color="#007700">, </font><font color="#DD0000">"otto"</font><font color="#007700">)) {<br /> if (</font><font color="#0000BB">sesam_execimm </font><font color="#007700">(</font><font color="#DD0000">"INSERT INTO mytable VALUES (*, 'Small Test', <0, 8, 15>)"</font><font color="#007700">)<br /> && </font><font color="#0000BB">sesam_execimm </font><font color="#007700">(</font><font color="#DD0000">"INSERT INTO othertable VALUES (*, 'Another Test', 1)"</font><font color="#007700">)) {<br /> </font><font color="#0000BB">sesam_commit</font><font color="#007700">();<br /> } else {<br /> </font><font color="#0000BB">sesam_rollback</font><font color="#007700">();<br /> }<br />}<br /></font><font color="#0000BB">?></font>
</font>
</code></TD
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>
</P
></DIV
><DIV
CLASS="refsect1"
><A
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></A
><H2
>参见</H2
><P
> <P
></P
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