You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
qt3/doc/html/qsqlrecordinfo.html

102 lines
4.8 KiB

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/sql/qsqlrecord.cpp:686 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>QSqlRecordInfo Class</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
<a href="index.html">
<font color="#004faf">Home</font></a>
| <a href="classes.html">
<font color="#004faf">All&nbsp;Classes</font></a>
| <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
| <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
| <a href="groups.html">
<font color="#004faf">Grouped&nbsp;Classes</font></a>
| <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QSqlRecordInfo Class Reference<br><small>[<a href="sql.html">sql module</a>]</small></h1>
<p>The QSqlRecordInfo class encapsulates a set of database field meta data.
<a href="#details">More...</a>
<p><tt>#include &lt;<a href="qsqlrecord-h.html">qsqlrecord.h</a>&gt;</tt>
<p><a href="qsqlrecordinfo-members.html">List of all member functions.</a>
<h2>Public Members</h2>
<ul>
<li class=fn><a href="#QSqlRecordInfo"><b>QSqlRecordInfo</b></a> ()</li>
<li class=fn><a href="#QSqlRecordInfo-2"><b>QSqlRecordInfo</b></a> ( const&nbsp;QSqlFieldInfoList&nbsp;&amp;&nbsp;other )</li>
<li class=fn><a href="#QSqlRecordInfo-3"><b>QSqlRecordInfo</b></a> ( const&nbsp;QSqlRecord&nbsp;&amp;&nbsp;other )</li>
<li class=fn>size_type <a href="#contains"><b>contains</b></a> ( const&nbsp;QString&nbsp;&amp;&nbsp;fieldName ) const</li>
<li class=fn>QSqlFieldInfo <a href="#find"><b>find</b></a> ( const&nbsp;QString&nbsp;&amp;&nbsp;fieldName ) const</li>
<li class=fn>QSqlRecord <a href="#toRecord"><b>toRecord</b></a> () const</li>
</ul>
<hr><a name="details"></a><h2>Detailed Description</h2>
The QSqlRecordInfo class encapsulates a set of database field meta data.
<p>
<p> This class is a <a href="qvaluelist.html">QValueList</a> that holds a set of database field meta
data. Use <a href="#contains">contains</a>() to see if a given field name exists in the
record, and use <a href="#find">find</a>() to get a <a href="qsqlfieldinfo.html">QSqlFieldInfo</a> record for a named
field.
<p> <p>See also <a href="qvaluelist.html">QValueList</a>, <a href="qsqlfieldinfo.html">QSqlFieldInfo</a>, and <a href="database.html">Database Classes</a>.
<hr><h2>Member Function Documentation</h2>
<h3 class=fn><a name="QSqlRecordInfo"></a>QSqlRecordInfo::QSqlRecordInfo ()
</h3>
<p> Constructs an empty record info object
<h3 class=fn><a name="QSqlRecordInfo-2"></a>QSqlRecordInfo::QSqlRecordInfo ( const&nbsp;QSqlFieldInfoList&nbsp;&amp;&nbsp;other )
</h3>
<p> Constructs a copy of <em>other</em>.
<h3 class=fn><a name="QSqlRecordInfo-3"></a>QSqlRecordInfo::QSqlRecordInfo ( const&nbsp;<a href="qsqlrecord.html">QSqlRecord</a>&nbsp;&amp;&nbsp;other )
</h3>
Constructs a QSqlRecordInfo object based on the fields in the
<a href="qsqlrecord.html">QSqlRecord</a> <em>other</em>.
<h3 class=fn>size_type <a name="contains"></a>QSqlRecordInfo::contains ( const&nbsp;<a href="qstring.html">QString</a>&nbsp;&amp;&nbsp;fieldName ) const
</h3>
Returns the number of times a field called <em>fieldName</em> occurs in
the record. Returns 0 if no field by that name could be found.
<h3 class=fn><a href="qsqlfieldinfo.html">QSqlFieldInfo</a> <a name="find"></a>QSqlRecordInfo::find ( const&nbsp;<a href="qstring.html">QString</a>&nbsp;&amp;&nbsp;fieldName ) const
</h3>
Returns a <a href="qsqlfieldinfo.html">QSqlFieldInfo</a> object for the first field in the record
which has the field name <em>fieldName</em>. If no matching field is
found then an empty QSqlFieldInfo object is returned.
<h3 class=fn><a href="qsqlrecord.html">QSqlRecord</a> <a name="toRecord"></a>QSqlRecordInfo::toRecord () const
</h3>
Returns an empty <a href="qsqlrecord.html">QSqlRecord</a> based on the field information
in this QSqlRecordInfo.
<!-- eof -->
<hr><p>
This file is part of the <a href="index.html">Qt toolkit</a>.
Copyright &copy; 1995-2007
<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
</table></div></address></body>
</html>