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

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><A
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></A
>db2_autocommit</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN79364"
></A
><P
>    (PECL)</P
>db2_autocommit&nbsp;--&nbsp;
   Returns or sets the AUTOCOMMIT state for a database connection
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN79367"
></A
><H2
>说明</H2
>mixed <B
CLASS="methodname"
>db2_autocommit</B
> ( resource connection [, bool value] )<BR
></BR
><P
>&#13;   Sets or gets the AUTOCOMMIT behavior of the specified connection resource.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN79379"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>connection</CODE
></DT
><DD
><P
>&#13;       A valid database connection resource variable as returned from
       <A
HREF="function.db2-connect.html"
><B
CLASS="function"
>db2_connect()</B
></A
> or <A
HREF="function.db2-pconnect.html"
><B
CLASS="function"
>db2_pconnect()</B
></A
>.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>value</CODE
></DT
><DD
><P
>&#13;       One of the following constants: 
       <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><TT
CLASS="literal"
>DB2_AUTOCOMMIT_OFF</TT
></DT
><DD
><P
>&#13;           Turns AUTOCOMMIT off.
          </P
></DD
><DT
><TT
CLASS="literal"
>DB2_AUTOCOMMIT_ON</TT
></DT
><DD
><P
>&#13;           Turns AUTOCOMMIT on.
          </P
></DD
></DL
></DIV
>
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN79406"
></A
><H2
>返回值</H2
><P
>&#13;   When <B
CLASS="function"
>db2_autocommit()</B
> receives only the
   <CODE
CLASS="parameter"
>connection</CODE
> parameter, it returns the current state
   of AUTOCOMMIT for the requested connection as an integer value. A value of
   0 indicates that AUTOCOMMIT is off, while a value of 1 indicates that
   AUTOCOMMIT is on.
  </P
><P
>&#13;   When <B
CLASS="function"
>db2_autocommit()</B
> receives both the
   <CODE
CLASS="parameter"
>connection</CODE
> parameter and
   <CODE
CLASS="parameter"
>autocommit</CODE
> parameter, it attempts to set the
   AUTOCOMMIT state of the requested connection to the corresponding state.
   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
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN79417"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN79420"
></A
><P
><B
>例 1. Retrieving the AUTOCOMMIT value for a connection</B
></P
><P
>&#13;     In the following example, a connection which has been created with
     AUTOCOMMIT turned off is tested with the
     <B
CLASS="function"
>db2_autocommit()</B
> function.
    </P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$options </font><font color="#007700">= array(</font><font color="#DD0000">'autocommit' </font><font color="#007700">=&gt; </font><font color="#0000BB">DB2_AUTOCOMMIT_OFF</font><font color="#007700">);<br /></font><font color="#0000BB">$conn </font><font color="#007700">= </font><font color="#0000BB">db2_connect</font><font color="#007700">(</font><font color="#0000BB">$database</font><font color="#007700">, </font><font color="#0000BB">$user</font><font color="#007700">, </font><font color="#0000BB">$password</font><font color="#007700">, </font><font color="#0000BB">$options</font><font color="#007700">);<br /></font><font color="#0000BB">$ac </font><font color="#007700">= </font><font color="#0000BB">db2_autocommit</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">);<br />if (</font><font color="#0000BB">$ac </font><font color="#007700">== </font><font color="#0000BB">0</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;print </font><font color="#DD0000">"$ac -- AUTOCOMMIT is off."</font><font color="#007700">;<br />} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;print </font><font color="#DD0000">"$ac -- AUTOCOMMIT is on."</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>上例将输出：</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>0 -- AUTOCOMMIT is off.</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
   <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN79427"
></A
><P
><B
>例 2. Setting the AUTOCOMMIT value for a connection</B
></P
><P
>&#13;     In the following example, a connection which was initially created with
     AUTOCOMMIT turned off has its behavior changed to turn AUTOCOMMIT on.
    </P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$options </font><font color="#007700">= array(</font><font color="#DD0000">'autocommit' </font><font color="#007700">=&gt; </font><font color="#0000BB">DB2_AUTOCOMMIT_OFF</font><font color="#007700">);<br /></font><font color="#0000BB">$conn </font><font color="#007700">= </font><font color="#0000BB">db2_connect</font><font color="#007700">(</font><font color="#0000BB">$database</font><font color="#007700">, </font><font color="#0000BB">$user</font><font color="#007700">, </font><font color="#0000BB">$password</font><font color="#007700">, </font><font color="#0000BB">$options</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Turn AUTOCOMMIT on<br /></font><font color="#0000BB">$rc </font><font color="#007700">= </font><font color="#0000BB">db2_autocommit</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">, </font><font color="#0000BB">DB2_AUTOCOMMIT_ON</font><font color="#007700">);<br />if (</font><font color="#0000BB">$rc</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;print </font><font color="#DD0000">"Turning AUTOCOMMIT on succeeded.\n"</font><font color="#007700">;<br />}<br /><br /></font><font color="#FF8000">// Check AUTOCOMMIT state<br /></font><font color="#0000BB">$ac </font><font color="#007700">= </font><font color="#0000BB">db2_autocommit</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">);<br />if (</font><font color="#0000BB">$ac </font><font color="#007700">== </font><font color="#0000BB">0</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;print </font><font color="#DD0000">"$ac -- AUTOCOMMIT is off."</font><font color="#007700">;<br />} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;print </font><font color="#DD0000">"$ac -- AUTOCOMMIT is on."</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>上例将输出：</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>Turning AUTOCOMMIT on succeeded.
1 -- AUTOCOMMIT is on.</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>

  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN79433"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
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><TBODY
><TR
><TD
><A
HREF="function.db2-connect.html"
><B
CLASS="function"
>db2_connect()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.db2-pconnect.html"
><B
CLASS="function"
>db2_pconnect()</B
></A
></TD
></TR
></TBODY
></TABLE
><P
></P
>
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