<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <!-- /tmp/qt-4.2.1-harald-1161357942206/qt-x11-opensource-src-4.2.1/doc/src/qsql.qdoc --> <head> <title>Qt 4.2: QSql Namespace Reference</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td> <td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">QSql Namespace Reference<br /><sup><sup>[<a href="qtsql.html">QtSql</a> module]</sup></sup></h1> <p>The QSql namespace contains miscellaneous identifiers used throughout the Qt SQL library. <a href="#details">More...</a></p> <pre> #include <QSql></pre><ul> <li><a href="qsql-qt3.html">Qt 3 support members</a></li> </ul> <a name="types"></a> <h3>Types</h3> <ul> <li><div class="fn"/>enum <b><a href="qsql.html#Location-enum">Location</a></b> { BeforeFirstRow, AfterLastRow }</li> <li><div class="fn"/>flags <b><a href="qsql.html#ParamTypeFlag-enum">ParamType</a></b></li> <li><div class="fn"/>enum <b><a href="qsql.html#ParamTypeFlag-enum">ParamTypeFlag</a></b> { In, Out, InOut, Binary }</li> <li><div class="fn"/>enum <b><a href="qsql.html#TableType-enum">TableType</a></b> { Tables, SystemTables, Views, AllTables }</li> </ul> <a name="details"></a> <hr /> <h2>Detailed Description</h2> <p>The QSql namespace contains miscellaneous identifiers used throughout the Qt SQL library.</p> <p>See also <a href="qtsql.html">QtSql Module</a>.</p> <hr /> <h2>Type Documentation</h2> <h3 class="fn"><a name="Location-enum"></a>enum QSql::Location</h3> <p>This enum type describes special SQL navigation locations:</p> <p><table border="1" cellpadding="2" cellspacing="1" width="100%"> <tr><th width="25%">Constant</th><th width="15%">Value</th><th width="60%">Description</th></tr> <tr><td valign="top"><tt>QSql::BeforeFirstRow</tt></td><td align="center" valign="top"><tt>-1</tt></td><td valign="top">Before the first record.</td></tr> <tr><td valign="top"><tt>QSql::AfterLastRow</tt></td><td align="center" valign="top"><tt>-2</tt></td><td valign="top">After the last record.</td></tr> </table></p> <p>See also <a href="qsqlquery.html#at">QSqlQuery::at</a>().</p> <h3 class="flags"><a name="ParamTypeFlag-enum"></a>enum QSql::ParamTypeFlag<br />flags QSql::ParamType</h3> <p>This enum is used to specify the type of a bind parameter.</p> <p><table border="1" cellpadding="2" cellspacing="1" width="100%"> <tr><th width="25%">Constant</th><th width="15%">Value</th><th width="60%">Description</th></tr> <tr><td valign="top"><tt>QSql::In</tt></td><td align="center" valign="top"><tt>0x00000001</tt></td><td valign="top">The bind parameter is used to put data into the database.</td></tr> <tr><td valign="top"><tt>QSql::Out</tt></td><td align="center" valign="top"><tt>0x00000002</tt></td><td valign="top">The bind parameter is used to receive data from the database.</td></tr> <tr><td valign="top"><tt>QSql::InOut</tt></td><td align="center" valign="top"><tt>In | Out</tt></td><td valign="top">The bind parameter is used to put data into the database; it will be overwritten with output data on executing a query.</td></tr> <tr><td valign="top"><tt>QSql::Binary</tt></td><td align="center" valign="top"><tt>0x00000004</tt></td><td valign="top">This must be OR'd with one of the other flags if you want to indicate that the data being transferred is raw binary data.</td></tr> </table></p> <p>The ParamType type is a typedef for <a href="qflags.html">QFlags</a><ParamTypeFlag>. It stores an OR combination of ParamTypeFlag values.</p> <h3 class="fn"><a name="TableType-enum"></a>enum QSql::TableType</h3> <p>This enum type describes types of SQL tables.</p> <p><table border="1" cellpadding="2" cellspacing="1" width="100%"> <tr><th width="25%">Constant</th><th width="15%">Value</th><th width="60%">Description</th></tr> <tr><td valign="top"><tt>QSql::Tables</tt></td><td align="center" valign="top"><tt>0x01</tt></td><td valign="top">All the tables visible to the user.</td></tr> <tr><td valign="top"><tt>QSql::SystemTables</tt></td><td align="center" valign="top"><tt>0x02</tt></td><td valign="top">Internal tables used by the database.</td></tr> <tr><td valign="top"><tt>QSql::Views</tt></td><td align="center" valign="top"><tt>0x04</tt></td><td valign="top">All the views visible to the user.</td></tr> <tr><td valign="top"><tt>QSql::AllTables</tt></td><td align="center" valign="top"><tt>0xff</tt></td><td valign="top">All of the above.</td></tr> </table></p> <hr /> <h2>Type Documentation</h2> <h3 class="fn"><a name="Confirm-enum"></a>enum QSql::Confirm</h3> <p>This enum type describes edit confirmations.</p> <p><table border="1" cellpadding="2" cellspacing="1" width="40%"> <tr><th width="60%">Constant</th><th width="40%">Value</th></tr> <tr><td valign="top"><tt>QSql::Yes</tt></td><td align="center" valign="top"><tt>1</tt></td></tr> <tr><td valign="top"><tt>QSql::No</tt></td><td align="center" valign="top"><tt>0</tt></td></tr> <tr><td valign="top"><tt>QSql::Cancel</tt></td><td align="center" valign="top"><tt>-1</tt></td></tr> </table></p> <h3 class="fn"><a name="Op-enum"></a>enum QSql::Op</h3> <p>This enum type describes edit operations.</p> <p><table border="1" cellpadding="2" cellspacing="1" width="40%"> <tr><th width="60%">Constant</th><th width="40%">Value</th></tr> <tr><td valign="top"><tt>QSql::None</tt></td><td align="center" valign="top"><tt>-1</tt></td></tr> <tr><td valign="top"><tt>QSql::Insert</tt></td><td align="center" valign="top"><tt>0</tt></td></tr> <tr><td valign="top"><tt>QSql::Update</tt></td><td align="center" valign="top"><tt>1</tt></td></tr> <tr><td valign="top"><tt>QSql::Delete</tt></td><td align="center" valign="top"><tt>2</tt></td></tr> </table></p> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2006 <a href="trolltech.html">Trolltech</a></td> <td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="30%" align="right"><div align="right">Qt 4.2.1</div></td> </tr></table></div></address></body> </html>