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153 lines
11 KiB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Delete an instance using OID</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.cubrid-drop" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">cubrid_drop</h1>
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<p class="verinfo">(PECL CUBRID >= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_drop</span> — <span class="dc-title">Delete an instance using OID</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.cubrid-drop-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>cubrid_drop</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn_identifier</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$oid</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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The <span class="function"><strong>cubrid_drop()</strong></span> function is used to delete an
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instance from database by using the <code class="parameter">oid</code> of the instance.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.cubrid-drop-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">conn_identifier</code></dt>
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<dd>
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<p class="para">Connection identifier.</p></dd>
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<dt>
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<code class="parameter">oid</code></dt>
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<dd>
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<p class="para">Oid of the instance that you want to delete.</p></dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.cubrid-drop-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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<strong><code>TRUE</code></strong>, when process is successful.
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</p>
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<p class="para">
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<strong><code>FALSE</code></strong>, when process is unsuccessful.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.cubrid-drop-examples">
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<h3 class="title">范例</h3>
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<div class="example" id="example-1103">
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<p><strong>Example #1 <span class="function"><strong>cubrid_drop()</strong></span> example</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #0000BB">33000</span><span style="color: #007700">, </span><span style="color: #DD0000">"demodb"</span><span style="color: #007700">);<br /><br />@</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"DROP TABLE foo"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"CREATE TABLE foo(a int AUTO_INCREMENT, b set(int), c list(int), d char(10))"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"INSERT INTO foo(a, b, c, d) VALUES(1, {1,2,3}, {11,22,33,333}, 'a')"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"INSERT INTO foo(a, b, c, d) VALUES(2, {4,5,7}, {44,55,66,666}, 'b')"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$req </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"SELECT * FROM foo"</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_INCLUDE_OID</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_move_cursor</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_CURSOR_FIRST</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$oid </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_current_oid</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"--- Before Drop: ---\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$attr </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$oid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$attr</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">cubrid_drop</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$oid</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">cubrid_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />} else {<br /> </span><span style="color: #0000BB">cubrid_rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">cubrid_close_request</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$req </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"SELECT * FROM foo"</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_INCLUDE_OID</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_move_cursor</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_CURSOR_FIRST</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$oid </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_current_oid</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"\n--- After Drop: ---\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$attr </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$oid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$attr</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_close_request</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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--- Before Drop: ---
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array(4) {
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["a"]=>
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string(1) "1"
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["b"]=>
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array(3) {
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[0]=>
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string(1) "1"
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[1]=>
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string(1) "2"
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[2]=>
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string(1) "3"
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}
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["c"]=>
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array(4) {
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[0]=>
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string(2) "11"
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[1]=>
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string(2) "22"
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[2]=>
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string(2) "33"
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[3]=>
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string(3) "333"
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}
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["d"]=>
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string(10) "a "
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}
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--- After Drop: ---
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array(4) {
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["a"]=>
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string(1) "2"
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["b"]=>
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array(3) {
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[0]=>
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string(1) "4"
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[1]=>
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string(1) "5"
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[2]=>
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string(1) "7"
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}
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["c"]=>
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array(4) {
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[0]=>
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string(2) "44"
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[1]=>
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string(2) "55"
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[2]=>
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string(2) "66"
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[3]=>
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string(3) "666"
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}
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["d"]=>
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string(10) "b "
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}
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</pre></div>
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</div>
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</div>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.cubrid-drop-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="cubrid_is_instance.html" class="function" rel="rdfs-seeAlso">cubrid_is_instance()</a> - Check whether the instance pointed by OID exists</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |