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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>SELECT_LIST_FROM_QUERY Function</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1" /> <meta name="date" content="2009-04-14T17:32:16Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="SELECT_LIST_FROM_QUERY Function" /> <meta name="relnum" content="Release 3.2" /> <meta name="partnum" content="E12510-01" /> <link rel="copyright" href="../dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="../dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="up" href="preface" title="Home" type="text/html" /> <link rel="up" href="apex_item.htm" title="APEX_ITEM" type="text/html" /> <link rel="up" href="apex_item015.htm" title="SELECT_LIST_F..." type="text/html" /> <link rel="prev" href="apex_item014.htm" title="Previous" type="text/html" /> <link rel="next" href="apex_item016.htm" title="Next" type="text/html" /> </head> <body> <p id="BREADCRUMBING"><a href="preface" title="Home">Home</a> > <a href="apex_item.htm" title="APEX_ITEM">APEX_ITEM</a> > SELECT_LIST_F...</p> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="apex_item014.htm"><img src="../dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="apex_item016.htm"><img src="../dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CHDIDGDA" name="CHDIDGDA"></a></p> <hr /> <div class="refsect1"> <h1><a name="AEAPI208" id="AEAPI208"></a>SELECT_LIST_FROM_QUERY <a id="sthref592" name="sthref592"></a>Function</h1> <p>This function dynamically generates a select list from a query. Similar to other functions available in the <code>APEX_ITEM</code> package, these select list functions are designed to generate forms with <code>F01</code> to <code>F50</code> form array elements.</p> <a id="sthref593" name="sthref593"></a> <p class="subhead2">Syntax</p> <pre xml:space="preserve" class="oac_no_warn"> APEX_ITEM.SELECT_LIST_FROM_QUERY( p_idx IN NUMBER, p_value IN VARCHAR2 DEFAULT NULL, p_query IN VARCHAR2, p_attributes IN VARCHAR2 DEFAULT NULL, p_show_null IN VARCHAR2 DEFAULT 'YES', p_null_value IN VARCHAR2 DEFAULT '%NULL%', p_null_text IN VARCHAR2 DEFAULT '%', p_item_id IN VARCHAR2 DEFAULT NULL, p_item_label IN VARCHAR2 DEFAULT NULL, p_show_extra IN VARCHAR2 DEFAULT 'YES') RETURN VARCHAR2; </pre> <a id="sthref594" name="sthref594"></a> <p class="subhead2">Parameters</p> <p><a href="#CHDJEBJD">Table: SELECT_LIST_FROM_QUERY Parameters</a> describes the parameters available in the <code>SELECT_LIST_FROM_QUERY</code> function.</p> <div class="tblformal"><a id="sthref595" name="sthref595"></a><a id="CHDJEBJD" name="CHDJEBJD"></a> <p class="titleintable">SELECT_LIST_FROM_QUERY Parameters</p> <table class="Formal" title="SELECT_LIST_FROM_QUERY Parameters" summary="This table describes the parameters available in SELECT_LIST_FROM_QUERY." dir="ltr" border="1" width="100%" frame="hsides" rules="groups" cellpadding="3" cellspacing="0"> <col width="21%" /> <col width="*" /> <thead> <tr align="left" valign="top"> <th align="left" valign="bottom" id="r1c1-t17">Parameter</th> <th align="left" valign="bottom" id="r1c2-t17">Description</th> </tr> </thead> <tbody> <tr align="left" valign="top"> <td align="left" id="r2c1-t17" headers="r1c1-t17"> <p><code>p_idx</code></p> </td> <td align="left" headers="r2c1-t17 r1c2-t17"> <p>Form element name. For example, <code>1</code> equals <code>F01</code> and <code>2</code> equals <code>F02</code>. Typically, the <code>p_idx</code> parameter is constant for a given column.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r3c1-t17" headers="r1c1-t17"> <p><code>p_value</code></p> </td> <td align="left" headers="r3c1-t17 r1c2-t17"> <p>Current value. This value should be a value in the <code>p_query</code> parameter.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r4c1-t17" headers="r1c1-t17"> <p><code>p_query</code></p> </td> <td align="left" headers="r4c1-t17 r1c2-t17"> <p>SQL query that is expected to select two columns, a display column, and a return column. For example:</p> <pre xml:space="preserve" class="oac_no_warn"> SELECT dname, deptno FROM dept </pre> <p>Note that this is used only by the <code>SELECT_LIST_FROM_QUERY</code> function.</p> <p>Also note, if only one column is specified in the select clause of this query, the value for this column will be used for both display and return purposes.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r5c1-t17" headers="r1c1-t17"> <p><code>p_attributes</code></p> </td> <td align="left" headers="r5c1-t17 r1c2-t17"> <p>Extra HTML parameters you want to add.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r6c1-t17" headers="r1c1-t17"> <p><code>p_show_null</code></p> </td> <td align="left" headers="r6c1-t17 r1c2-t17"> <p>Extra select option to enable the NULL selection. Range of values is <code>YES</code> and <code>NO</code>.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r7c1-t17" headers="r1c1-t17"> <p><code>p_null_value</code></p> </td> <td align="left" headers="r7c1-t17 r1c2-t17"> <p>Value to be returned when a user selects the NULL option. Only relevant when <code>p_show_null</code> equals <code>YES</code>.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r8c1-t17" headers="r1c1-t17"> <p><code>p_null_text</code></p> </td> <td align="left" headers="r8c1-t17 r1c2-t17"> <p>Value to be displayed when a user selects the NULL option. Only relevant when <code>p_show_null</code> equals <code>YES</code>.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r9c1-t17" headers="r1c1-t17"> <p><code>p_item_id</code></p> </td> <td align="left" headers="r9c1-t17 r1c2-t17"> <p>HTML attribute ID for the <code><select></code> tag.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r10c1-t17" headers="r1c1-t17"> <p><code>p_item_label</code></p> </td> <td align="left" headers="r10c1-t17 r1c2-t17"> <p>Invisible label created for the item.</p> </td> </tr> <tr align="left" valign="top"> <td align="left" id="r11c1-t17" headers="r1c1-t17"> <p><code>p_show_extra</code></p> </td> <td align="left" headers="r11c1-t17 r1c2-t17"> <p>Show the current value even if the value of <code>p_value</code> is not located in the select list.</p> </td> </tr> </tbody> </table> <br /></div> <!-- class="tblformal" --> <a id="sthref596" name="sthref596"></a> <p class="subhead2">Example</p> <p>The following example demonstrates a select list based on a SQL query.</p> <pre xml:space="preserve" class="oac_no_warn"> SELECT APEX_ITEM.SELECT_LIST_FROM_QUERY(3,job,'SELECT DISTINCT job FROM emp')job FROM emp </pre></div> <!-- class="refsect1" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2003, 2009, Oracle and/or its affiliates. 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