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158 lines
8.1 KiB
158 lines
8.1 KiB
14 years ago
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/sql/qsqlerror.cpp:42 -->
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<title>QSqlError Class</title>
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<font color="#004faf">All Classes</font></a>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QSqlError Class Reference<br><small>[<a href="sql.html">sql module</a>]</small></h1>
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<p>The QSqlError class provides SQL database error information.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qsqlerror-h.html">qsqlerror.h</a>></tt>
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<p><a href="qsqlerror-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn>enum <a href="#Type-enum"><b>Type</b></a> { None, Connection, Statement, Transaction, Unknown }</li>
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<li class=fn><a href="#QSqlError"><b>QSqlError</b></a> ( const QString & driverText = QString::null, const QString & databaseText = QString::null, int type = QSqlError::None, int number = -1 )</li>
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<li class=fn><a href="#QSqlError-2"><b>QSqlError</b></a> ( const QSqlError & other )</li>
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<li class=fn>QSqlError & <a href="#operator-eq"><b>operator=</b></a> ( const QSqlError & other )</li>
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<li class=fn>virtual <a href="#~QSqlError"><b>~QSqlError</b></a> ()</li>
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<li class=fn>QString <a href="#driverText"><b>driverText</b></a> () const</li>
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<li class=fn>virtual void <a href="#setDriverText"><b>setDriverText</b></a> ( const QString & driverText )</li>
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<li class=fn>QString <a href="#databaseText"><b>databaseText</b></a> () const</li>
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<li class=fn>virtual void <a href="#setDatabaseText"><b>setDatabaseText</b></a> ( const QString & databaseText )</li>
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<li class=fn>int <a href="#type"><b>type</b></a> () const</li>
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<li class=fn>virtual void <a href="#setType"><b>setType</b></a> ( int type )</li>
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<li class=fn>int <a href="#number"><b>number</b></a> () const</li>
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<li class=fn>virtual void <a href="#setNumber"><b>setNumber</b></a> ( int number )</li>
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<li class=fn>QString <a href="#text"><b>text</b></a> () const</li>
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<li class=fn>void showMessage ( const QString & msg = QString::null ) const <em>(obsolete)</em></li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The QSqlError class provides SQL database error information.
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<p>
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<p> This class is used to report database-specific errors. An error
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description and (if appropriate) a database-specific error number
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can be obtained using this class.
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<p>See also <a href="database.html">Database Classes</a>.
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<hr><h2>Member Type Documentation</h2>
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<h3 class=fn><a name="Type-enum"></a>QSqlError::Type</h3>
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<p> This enum type describes the type of SQL error that occurred.
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<ul>
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<li><tt>QSqlError::None</tt> - no error occurred
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<li><tt>QSqlError::Connection</tt> - connection error
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<li><tt>QSqlError::Statement</tt> - SQL statement syntax error
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<li><tt>QSqlError::Transaction</tt> - transaction failed error
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<li><tt>QSqlError::Unknown</tt> - unknown error
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</ul>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="QSqlError"></a>QSqlError::QSqlError ( const <a href="qstring.html">QString</a> & driverText = QString::null, const <a href="qstring.html">QString</a> & databaseText = QString::null, int type = QSqlError::None, int number = -1 )
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</h3>
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Constructs an error containing the driver error text <em>driverText</em>, the database-specific error text <em>databaseText</em>, the
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type <em>type</em> and the optional error number <em>number</em>.
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<h3 class=fn><a name="QSqlError-2"></a>QSqlError::QSqlError ( const <a href="qsqlerror.html">QSqlError</a> & other )
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</h3>
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Creates a copy of <em>other</em>.
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<h3 class=fn><a name="~QSqlError"></a>QSqlError::~QSqlError ()<tt> [virtual]</tt>
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</h3>
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Destroys the object and frees any allocated resources.
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<h3 class=fn><a href="qstring.html">QString</a> <a name="databaseText"></a>QSqlError::databaseText () const
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</h3>
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Returns the text of the error as reported by the database. This
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may contain database-specific descriptions.
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<h3 class=fn><a href="qstring.html">QString</a> <a name="driverText"></a>QSqlError::driverText () const
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</h3>
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Returns the text of the error as reported by the driver. This may
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contain database-specific descriptions.
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<h3 class=fn>int <a name="number"></a>QSqlError::number () const
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</h3>
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Returns the database-specific error number, or -1 if it cannot be
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determined.
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<h3 class=fn><a href="qsqlerror.html">QSqlError</a> & <a name="operator-eq"></a>QSqlError::operator= ( const <a href="qsqlerror.html">QSqlError</a> & other )
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</h3>
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Sets the error equal to <em>other</em>.
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<h3 class=fn>void <a name="setDatabaseText"></a>QSqlError::setDatabaseText ( const <a href="qstring.html">QString</a> & databaseText )<tt> [virtual]</tt>
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</h3>
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Sets the database error text to the value of <em>databaseText</em>.
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<h3 class=fn>void <a name="setDriverText"></a>QSqlError::setDriverText ( const <a href="qstring.html">QString</a> & driverText )<tt> [virtual]</tt>
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</h3>
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Sets the driver error text to the value of <em>driverText</em>.
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<h3 class=fn>void <a name="setNumber"></a>QSqlError::setNumber ( int number )<tt> [virtual]</tt>
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</h3>
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Sets the database-specific error number to <em>number</em>.
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<h3 class=fn>void <a name="setType"></a>QSqlError::setType ( int type )<tt> [virtual]</tt>
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</h3>
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Sets the error type to the value of <em>type</em>.
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<h3 class=fn>void <a name="showMessage"></a>QSqlError::showMessage ( const <a href="qstring.html">QString</a> & msg = QString::null ) const
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p> This is a convenience function that pops up a <a href="qmessagebox.html">QMessageBox</a>
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containing the message returned by <a href="#text">text</a>(). An additional string
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can be passed in via the <em>msg</em> parameter, which will be
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concatenated with the text() message.
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<p> <p>See also <a href="#text">text</a>(), <a href="#driverText">driverText</a>(), and <a href="#databaseText">databaseText</a>().
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<h3 class=fn><a href="qstring.html">QString</a> <a name="text"></a>QSqlError::text () const
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</h3>
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This is a convenience function that returns <a href="#databaseText">databaseText</a>() and
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<a href="#driverText">driverText</a>() concatenated into a single string.
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<p> <p>See also <a href="#showMessage">showMessage</a>(), <a href="#driverText">driverText</a>(), and <a href="#databaseText">databaseText</a>().
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<h3 class=fn>int <a name="type"></a>QSqlError::type () const
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</h3>
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Returns the error type, or -1 if the type cannot be determined.
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<p> <p>See also <a href="#Type-enum">QSqlError::Type</a>.
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<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">Qt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>Qt 3.3.8</div>
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</table></div></address></body>
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</html>
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