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139 lines
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139 lines
8.3 KiB
HTML
<!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>Move the cursor in the result</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-move-cursor" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">cubrid_move_cursor</h1>
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<p class="verinfo">(PECL CUBRID >= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_move_cursor</span> — <span class="dc-title">Move the cursor in the result</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.cubrid-move-cursor-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_move_cursor</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$req_identifier</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$offset</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$origin</code><span class="initializer"> = CUBRID_CURSOR_CURRENT</span></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_move_cursor()</strong></span> function is used to move the
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current cursor location of <code class="parameter">req_identifier</code> by the
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value set in the <code class="parameter">offset</code> argument, to the direction
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set in the <code class="parameter">origin</code> argument. To set the
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<code class="parameter">origin</code> argument, you can use CUBRID_CURSOR_FIRST
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for the first part of the result, CUBRID_CURSOR_CURRENT for the current
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location of the result, or CUBRID_CURSOR_LAST for the last part of the
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result. If <code class="parameter">origin</code> argument is not explicitly
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designated, then the function uses CUBRID_CURSOR_CURRENT as its default
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value.
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</p>
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<p class="para">
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If the value of cursor movement range goes over the valid limit, then the
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cursor moves to the next location after the valid range for the cursor.
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For example, if you move 20 units in the result with the size of 10, then
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the cursor will move to 11th place and return CUBRID_NO_MORE_DATA.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.cubrid-move-cursor-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">req_identifier</code></dt>
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<dd>
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<p class="para">Request identifier.</p></dd>
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<dt>
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<code class="parameter">offset</code></dt>
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<dd>
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<p class="para">Number of units you want to move the cursor.</p></dd>
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<dt>
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<code class="parameter">origin</code></dt>
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<dd>
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<p class="para">Location where you want to move the cursor from CUBRID_CURSOR_FIRST, CUBRID_CURSOR_CURRENT, CUBRID_CURSOR_LAST.</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-move-cursor-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 unsucceful.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.cubrid-move-cursor-examples">
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<h3 class="title">范例</h3>
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<div class="example" id="example-1135">
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<p><strong>Example #1 <span class="function"><strong>cubrid_move_cursor()</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">"127.0.0.1"</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">, </span><span style="color: #DD0000">"dba"</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 code"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_move_cursor</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_CURSOR_LAST</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_fetch_row</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</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">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_CURSOR_FIRST</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_fetch_row</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</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">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_CURSOR_CURRENT</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_fetch_row</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</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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array(2) {
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[0]=>
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string(1) "G"
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[1]=>
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string(4) "Gold"
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}
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array(2) {
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[0]=>
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string(1) "X"
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[1]=>
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string(5) "Mixed"
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}
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array(2) {
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[0]=>
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string(1) "M"
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[1]=>
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string(3) "Man"
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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-move-cursor-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_execute.html" class="function" rel="rdfs-seeAlso">cubrid_execute()</a> - Execute a prepared SQL statement</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> |