Committing unfinished sql implementation before merging to libopie2 starts..

10 files changed, 471 insertions, 21 deletions

diff --git a/libopie/pim/ocontactaccessbackend_sql.cpp b/libopie/pim/ocontactaccessbackend_sql.cpp
index 132c9fc..dd9dbde 100644
--- a/libopie/pim/ocontactaccessbackend_sql.cpp
+++ b/libopie/pim/ocontactaccessbackend_sql.cpp
@@ -15,4 +15,7 @@
  * History:
  * $Log$
+ * Revision 1.3  2003/12/08 15:18:10  eilers
+ * Committing unfinished sql implementation before merging to libopie2 starts..
+ *
  * Revision 1.2  2003/09/29 07:44:26  eilers
  * Improvement of PIM-SQL Databases, but search queries are still limited.
@@ -455,5 +458,6 @@ namespace {
 
 OContactAccessBackend_SQL::OContactAccessBackend_SQL ( const QString& /* appname */, 
-						       const QString& filename ): m_changed(false)
+						       const QString& filename ): 
+	OContactAccessBackend(), m_changed(false), m_driver( NULL )
 {
 	qWarning("C'tor OContactAccessBackend_SQL starts");
@@ -477,4 +481,9 @@ OContactAccessBackend_SQL::OContactAccessBackend_SQL ( const QString& /* appname
 }
 
+OContactAccessBackend_SQL::~OContactAccessBackend_SQL ()
+{
+	if( m_driver )
+		delete m_driver;
+}
 
 bool OContactAccessBackend_SQL::load ()
diff --git a/libopie/pim/ocontactaccessbackend_sql.h b/libopie/pim/ocontactaccessbackend_sql.h
index bb22551..b8f1d8d 100644
--- a/libopie/pim/ocontactaccessbackend_sql.h
+++ b/libopie/pim/ocontactaccessbackend_sql.h
@@ -17,4 +17,7 @@
  * History:
  * $Log$
+ * Revision 1.2  2003/12/08 15:18:11  eilers
+ * Committing unfinished sql implementation before merging to libopie2 starts..
+ *
  * Revision 1.1  2003/09/22 14:31:16  eilers
  * Added first experimental incarnation of sql-backend for addressbook.
@@ -48,4 +51,6 @@ class OContactAccessBackend_SQL : public OContactAccessBackend {
 	OContactAccessBackend_SQL ( const QString& appname, const QString& filename = QString::null );
 
+	~OContactAccessBackend_SQL ();
+
 	bool save();
 
diff --git a/libopie/pim/odatebookaccessbackend_sql.cpp b/libopie/pim/odatebookaccessbackend_sql.cpp
new file mode 100644
index 0000000..9769bf7
--- a/dev/null
+++ b/libopie/pim/odatebookaccessbackend_sql.cpp
@@ -0,0 +1,221 @@
+/*
+ * SQL Backend for the OPIE-Calender Database.
+ *
+ * Copyright (c) 2003 by Stefan Eilers (Eilers.Stefan@epost.de)
+ *
+ * =====================================================================
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Library General Public
+ *      License as published by the Free Software Foundation; either
+ *      version 2 of the License, or (at your option) any later version.
+ * =====================================================================
+ * =====================================================================
+ * Version: $Id$
+ * =====================================================================
+ * History:
+ * $Log$
+ * Revision 1.1  2003/12/08 15:18:12  eilers
+ * Committing unfinished sql implementation before merging to libopie2 starts..
+ *
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <qarray.h>
+#include <qstringlist.h>
+
+#include "orecur.h"
+#include "odatebookaccessbackend_sql.h"
+
+#include <opie2/osqldriver.h>
+#include <opie2/osqlresult.h>
+#include <opie2/osqlmanager.h>
+#include <opie2/osqlquery.h>
+
+namespace {
+
+
+
+};
+
+ODateBookAccessBackend_SQL::ODateBookAccessBackend_SQL( const QString& ,
+                                                        const QString& fileName )
+	: ODateBookAccessBackend(), m_driver( NULL ) 
+{
+    m_fileName = fileName.isEmpty() ? Global::applicationFileName( "datebook", "datebook.db" ) : fileName;
+
+    // Get the standart sql-driver from the OSQLManager..
+    OSQLManager man;
+    m_driver = man.standard();
+    m_driver->setUrl( m_fileName );
+
+    initFields();
+
+    load();
+}
+
+ODateBookAccessBackend_SQL::~ODateBookAccessBackend_SQL() {
+}
+
+void ODateBookAccessBackend_SQL::initFields()
+{
+
+	// This map contains the translation of the fieldtype id's to 
+	// the names of the table columns
+	m_fieldMap.insert( OEvent::FUid, "uid" );
+	m_fieldMap.insert( OEvent::FCategories, "Categories" );
+	m_fieldMap.insert( OEvent::FDescription, "Description" );
+	m_fieldMap.insert( OEvent::FLocation, "Location" );
+	m_fieldMap.insert( OEvent::FType, "Type" );
+	m_fieldMap.insert( OEvent::FAlarm, "Alarm" );
+	m_fieldMap.insert( OEvent::FSound, "Sound" );
+	m_fieldMap.insert( OEvent::FRType, "RType" );
+	m_fieldMap.insert( OEvent::FRWeekdays, "RWeekdays" );
+	m_fieldMap.insert( OEvent::FRPosition, "RPosition" );
+	m_fieldMap.insert( OEvent::FRFreq, "RFreq" );
+	m_fieldMap.insert( OEvent::FRHasEndDate, "RHasEndDate" );
+	m_fieldMap.insert( OEvent::FREndDate, "REndDate" );
+	m_fieldMap.insert( OEvent::FRCreated, "RCreated" );
+	m_fieldMap.insert( OEvent::FRExeptions, "RExceptions" );
+	m_fieldMap.insert( OEvent::FStart, "Start" );
+	m_fieldMap.insert( OEvent::FEnd, "End" );
+	m_fieldMap.insert( OEvent::FNote, "Note" );
+	m_fieldMap.insert( OEvent::FTimeZone, "TimeZone" );
+	m_fieldMap.insert( OEvent::FRecParent, "RecParent" );
+	m_fieldMap.insert( OEvent::FRecChildren, "Recchildren" );
+}
+
+bool ODateBookAccessBackend_SQL::load() 
+{
+	if (!m_driver->open() )
+		return false;
+
+	// Don't expect that the database exists.
+	// It is save here to create the table, even if it
+	// do exist. ( Is that correct for all databases ?? )
+	QString	qu = "create table datebook( uid INTEGER PRIMARY KEY ";
+	
+	QMap<int, QString>::Iterator it;
+	for ( it = ++m_fieldMap.begin(); it != m_fieldMap.end(); ++it ){
+		qu += QString( ",\"%1\" VARCHAR(10)" ).arg( it.data() );
+	}
+	qu += " );";
+		
+	qu += "create table custom_data( uid INTEGER, id INTEGER, type VARCHAR, priority INTEGER, value VARCHAR, PRIMARY KEY /* identifier */ (uid, id) );";
+
+	OSQLRawQuery raw( qu );
+	OSQLResult res = m_driver->query( &raw );
+	if ( res.state() != OSQLResult::Success )
+		return false;
+
+	update();
+
+	return true;
+}
+
+void ODateBookAccessBackend_SQL::update()
+{
+
+	QString qu = "select uid from datebook";
+	OSQLRawQuery raw( qu );
+	OSQLResult res = m_driver->query( &raw );
+	if ( res.state() != OSQLResult::Success ){
+		m_uids.clear();
+		return;
+	}
+	
+	m_uids = extractUids( res );
+	
+}
+
+QArray<int> ODateBookAccessBackend_SQL::extractUids( OSQLResult& res ) const
+{
+	qWarning("extractUids");
+
+	OSQLResultItem::ValueList list = res.results();
+	OSQLResultItem::ValueList::Iterator it;
+	QArray<int> ints(list.count() );
+	qWarning(" count = %d", list.count() );
+
+	int i = 0;
+	for (it = list.begin(); it != list.end(); ++it ) {
+		ints[i] =  (*it).data("uid").toInt();
+		i++;
+	}
+
+	return ints;
+
+}
+
+bool ODateBookAccessBackend_SQL::reload() 
+{
+    return load();
+}
+
+bool ODateBookAccessBackend_SQL::save() 
+{
+	return m_driver->close();
+}
+
+QArray<int> ODateBookAccessBackend_SQL::allRecords()const 
+{
+    return m_uids;
+}
+
+QArray<int> ODateBookAccessBackend_SQL::queryByExample(const OEvent&, int,  const QDateTime& ) {
+    return QArray<int>();
+}
+
+void ODateBookAccessBackend_SQL::clear() 
+{
+	QString qu = "drop table datebook;";
+	qu += "drop table custom_data;";
+
+	OSQLRawQuery raw( qu );
+	OSQLResult res = m_driver->query( &raw );
+
+}
+
+
+OEvent ODateBookAccessBackend_SQL::find( int uid ) const{
+}
+
+bool ODateBookAccessBackend_SQL::add( const OEvent& ev ) {
+    return true;
+}
+bool ODateBookAccessBackend_SQL::remove( int uid ) {
+
+    return true;
+}
+bool ODateBookAccessBackend_SQL::replace( const OEvent& ev ) {
+    remove( ev.uid() );
+    return add( ev );
+}
+QArray<int> ODateBookAccessBackend_SQL::rawEvents()const {
+    return allRecords();
+}
+QArray<int> ODateBookAccessBackend_SQL::rawRepeats()const {
+
+    return ints;
+}
+QArray<int> ODateBookAccessBackend_SQL::nonRepeats()const {
+
+    return ints;
+}
+OEvent::ValueList ODateBookAccessBackend_SQL::directNonRepeats() {
+
+    return list;
+}
+OEvent::ValueList ODateBookAccessBackend_SQL::directRawRepeats() {
+
+    return list;
+}
+
+
+QArray<int> ODateBookAccessBackend_SQL::matchRegexp(  const QRegExp &r ) const
+{
+
+    return m_currentQuery;
+}
diff --git a/libopie/pim/odatebookaccessbackend_sql.h b/libopie/pim/odatebookaccessbackend_sql.h
new file mode 100644
index 0000000..85e0d4f
--- a/dev/null
+++ b/libopie/pim/odatebookaccessbackend_sql.h
@@ -0,0 +1,60 @@
+#ifndef OPIE_DATE_BOOK_ACCESS_BACKEND_SQL__H
+#define OPIE_DATE_BOOK_ACCESS_BACKEND_SQL__H
+
+#include <qmap.h>
+
+#include "odatebookaccessbackend.h"
+
+class OSQLDriver;
+
+/**
+ * This is the default SQL implementation for DateBoook SQL storage
+ * It fully implements the interface
+ * @see ODateBookAccessBackend
+ * @see OPimAccessBackend
+ */
+class ODateBookAccessBackend_SQL : public ODateBookAccessBackend {
+public:
+    ODateBookAccessBackend_SQL( const QString& appName,
+                                const QString& fileName = QString::null);
+    ~ODateBookAccessBackend_SQL();
+
+    bool load();
+    bool reload();
+    bool save();
+
+    QArray<int> allRecords()const;
+    QArray<int> matchRegexp(const QRegExp &r) const;
+    QArray<int> queryByExample( const OEvent&, int, const QDateTime& d = QDateTime() );
+    OEvent find( int uid )const;
+    void clear();
+    bool add( const OEvent& ev );
+    bool remove( int uid );
+    bool replace( const OEvent& ev );
+
+    QArray<UID> rawEvents()const;
+    QArray<UID> rawRepeats()const;
+    QArray<UID> nonRepeats()const;
+
+    OEvent::ValueList directNonRepeats();
+    OEvent::ValueList directRawRepeats();
+
+private:
+    bool loadFile();
+    QString m_fileName;
+    QArray<int> m_uids;
+
+    QMap<int, QString> m_fieldMap;
+
+    OSQLDriver* m_driver;
+
+    class Private;
+    Private *d;
+
+    void initFields();
+    void update();
+    QArray<int> extractUids( OSQLResult& res ) const;
+
+};
+
+#endif
diff --git a/libopie/pim/odatebookaccessbackend_xml.cpp b/libopie/pim/odatebookaccessbackend_xml.cpp
index 39c43c5..929d004 100644
--- a/libopie/pim/odatebookaccessbackend_xml.cpp
+++ b/libopie/pim/odatebookaccessbackend_xml.cpp
@@ -78,5 +78,5 @@ namespace {
 	FREnd,
 	FNote,
-	FCreated,
+	FCreated,      // Should't this be called FRCreated ?
         FTimeZone,
         FRecParent,
@@ -84,4 +84,6 @@ namespace {
         FExceptions
     };
+
+    // FIXME: Use OEvent::toMap() here !! (eilers)
     inline void save( const OEvent& ev, QString& buf ) {
         qWarning("Saving %d %s", ev.uid(), ev.description().latin1() );
@@ -276,5 +278,5 @@ bool ODateBookAccessBackend_XML::remove( int uid ) {
 }
 bool ODateBookAccessBackend_XML::replace( const OEvent& ev ) {
-    replace( ev.uid() );
+    replace( ev.uid() ); // ??? Shouldn't this be "remove( ev.uid() ) ??? (eilers)
     return add( ev );
 }
@@ -322,4 +324,6 @@ OEvent::ValueList ODateBookAccessBackend_XML::directRawRepeats() {
     return list;
 }
+
+// FIXME: Use OEvent::fromMap() (eilers)
 bool ODateBookAccessBackend_XML::loadFile() {
     m_changed = false;
@@ -360,5 +364,5 @@ bool ODateBookAccessBackend_XML::loadFile() {
     dict.insert( "end", new int(FREnd) );
     dict.insert( "note", new int(FNote) );
-    dict.insert( "created", new int(FCreated) );
+    dict.insert( "created", new int(FCreated) );  // Shouldn't this be FRCreated ??
     dict.insert( "recparent", new int(FRecParent) );
     dict.insert( "recchildren", new int(FRecChildren) );
@@ -445,4 +449,6 @@ bool ODateBookAccessBackend_XML::loadFile() {
     return true;
 }
+
+// FIXME: Use OEvent::fromMap() which makes this obsolete.. (eilers)
 void ODateBookAccessBackend_XML::finalizeRecord( OEvent& ev ) {
     /* AllDay is alway in UTC */
diff --git a/libopie/pim/oevent.cpp b/libopie/pim/oevent.cpp
index 7bcf944..c916297 100644
--- a/libopie/pim/oevent.cpp
+++ b/libopie/pim/oevent.cpp
@@ -1,3 +1,4 @@
 #include <qshared.h>
+#include <qarray.h>
 
 #include <qpe/palmtopuidgen.h>
@@ -357,8 +358,134 @@ void OEvent::deref() {
     }
 }
-// FIXME
+// Exporting Event data to map. Using the same
+// encoding as ODateBookAccessBackend_xml does..
+// Thus, we could remove the stuff there and use this
+// for it and for all other places..
+// Encoding should happen at one place, only ! (eilers)
 QMap<int, QString> OEvent::toMap()const {
-    return QMap<int, QString>();
+    QMap<int, QString> retMap;
+
+    retMap.insert( OEvent::FUid, QString::number( uid() ) );
+    retMap.insert( OEvent::FCategories, Qtopia::escapeString( Qtopia::Record::idsToString( categories() ) ));
+    retMap.insert( OEvent::FDescription, Qtopia::escapeString( description() ) );
+    retMap.insert( OEvent::FLocation, Qtopia::escapeString( location() ) );
+    retMap.insert( OEvent::FType, isAllDay() ? "AllDay" : "" );
+    OPimAlarm alarm = notifiers().alarms()[0];
+    retMap.insert( OEvent::FAlarm, QString::number( alarm.dateTime().secsTo(  startDateTime() ) / 60 ) );
+    retMap.insert( OEvent::FSound, (alarm.sound() == OPimAlarm::Loud) ? "loud" : "silent" );
+
+    OTimeZone zone(  timeZone().isEmpty() ? OTimeZone::current() : timeZone() );
+    retMap.insert( OEvent::FStart, QString::number( zone.fromUTCDateTime( zone.toDateTime(  startDateTime(), OTimeZone::utc() ) ) ) );
+    retMap.insert( OEvent::FEnd, QString::number( zone.fromUTCDateTime( zone.toDateTime(  endDateTime(), OTimeZone::utc() ) ) ) );
+    retMap.insert( OEvent::FNote, Qtopia::escapeString( note() ) );
+    retMap.insert( OEvent::FTimeZone, timeZone().isEmpty() ? "None" : timeZone() );
+    if( parent() )
+	    retMap.insert( OEvent::FRecParent, QString::number( parent() ) );
+    if( children().count() ){
+            QArray<int> childr = children();
+	    QString buf;
+            for ( uint i = 0; i < childr.count(); i++ ) {
+		    if ( i != 0 ) buf += " ";
+		    buf += QString::number( childr[i] );
+            }	    
+	    retMap.insert( OEvent::FRecChildren, buf );
+    }
+    
+    // Add recurrence stuff
+    if( hasRecurrence() ){
+	    ORecur recur = recurrence();
+	    QMap<int, QString> recFields = recur.toMap();
+	    retMap.insert( OEvent::FRType, recFields[ORecur::RType] );
+	    retMap.insert( OEvent::FRWeekdays, recFields[ORecur::RWeekdays] );
+	    retMap.insert( OEvent::FRPosition, recFields[ORecur::RPosition] );
+	    retMap.insert( OEvent::FRFreq, recFields[ORecur::RFreq] );
+	    retMap.insert( OEvent::FRHasEndDate, recFields[ORecur::RHasEndDate] );
+	    retMap.insert( OEvent::FREndDate, recFields[ORecur::EndDate] );
+	    retMap.insert( OEvent::FRCreated, recFields[ORecur::Created] );
+	    retMap.insert( OEvent::FRExceptions, recFields[ORecur::Exceptions] );
+    }
+   
+    return retMap;
+}
+
+void OEvent::fromMap( const QMap<int, QString>& map )
+{
+
+	// We just want to set the UID if it is really stored.
+	if ( !map[OEvent::FUid].isEmpty() )
+		setUid( map[OEvent::FUid].toInt() );
+
+	setCategories( idsFromString( map[OEvent::FCategories] ) );
+	setDescription( map[OEvent::FDescription] );
+	setLocation( map[OEvent::FLocation] );
+
+	if ( map[OEvent::FType] == "AllDay" )
+		setAllDay( true );
+	else
+		setAllDay( false );
+	
+	int alarmTime = -1;
+	if( !map[OEvent::FAlarm].isEmpty() )
+		alarmTime = map[OEvent::FAlarm].toInt();
+
+	int sound = ( ( map[OEvent::FSound] == "loud" ) ? OPimAlarm::Loud : OPimAlarm::Silent );
+	if ( ( alarmTime != -1 )  ){
+		QDateTime dt = startDateTime().addSecs( -1*alarmTime*60 );
+		OPimAlarm al( sound ,  dt  );
+		notifiers().add( al );
+	}
+	if ( !map[OEvent::FTimeZone].isEmpty() && ( map[OEvent::FTimeZone] != "None" ) ){
+		setTimeZone( map[OEvent::FTimeZone] );
+	}
+	
+	time_t start = (time_t) map[OEvent::FStart].toLong();
+	time_t end   = (time_t) map[OEvent::FEnd].toLong();
+
+	/* AllDay is always in UTC */
+	if ( isAllDay() ) {
+		OTimeZone utc = OTimeZone::utc();
+		setStartDateTime( utc.fromUTCDateTime( start ) );
+		setEndDateTime  ( utc.fromUTCDateTime( end   ) );
+		setTimeZone( "UTC"); // make sure it is really utc
+	}else {
+		/* to current date time */
+		// qWarning(" Start is %d", start );
+		OTimeZone zone( timeZone().isEmpty() ? OTimeZone::current() : timeZone() );
+		QDateTime date = zone.toDateTime( start );
+		qWarning(" Start is %s", date.toString().latin1() );
+		setStartDateTime( zone.toDateTime( date, OTimeZone::current() ) );
+
+		date = zone.toDateTime( end );
+		setEndDateTime  ( zone.toDateTime( date, OTimeZone::current() ) );
+	}
+	
+	if ( !map[OEvent::FRecParent].isEmpty() )
+		setParent( map[OEvent::FRecParent].toInt() );
+
+	if ( !map[OEvent::FRecChildren].isEmpty() ){
+		QStringList list = QStringList::split(' ', map[OEvent::FRecChildren] );
+		for ( QStringList::Iterator it = list.begin(); it != list.end(); ++it ) {
+			addChild( (*it).toInt() );
+		}
+	}
+	
+	// Fill recurrence stuff and put it directly into the ORecur-Object using fromMap..
+	if( !map[OEvent::FRType].isEmpty() ){
+		QMap<int, QString> recFields;
+		recFields.insert( ORecur::RType, map[OEvent::FRType] );
+		recFields.insert( ORecur::RWeekdays, map[OEvent::FRWeekdays] );
+		recFields.insert( ORecur::RPosition, map[OEvent::FRPosition] );
+		recFields.insert( ORecur::RFreq, map[OEvent::FRFreq] );
+		recFields.insert( ORecur::RHasEndDate, map[OEvent::FRHasEndDate] );
+		recFields.insert( ORecur::EndDate, map[OEvent::FREndDate] );
+		recFields.insert( ORecur::Created, map[OEvent::FRCreated] );
+		recFields.insert( ORecur::Exceptions, map[OEvent::FRExceptions] );
+		ORecur recur( recFields );
+		setRecurrence( recur );
+	}
+	
 }
+
+
 int OEvent::parent()const {
     return data->parent;
diff --git a/libopie/pim/oevent.h b/libopie/pim/oevent.h
index 30f442e..9218c97 100644
--- a/libopie/pim/oevent.h
+++ b/libopie/pim/oevent.h
@@ -42,19 +42,28 @@ public:
     /**
      * RecordFields contain possible attributes
+     * used in the Results of toMap()..
      */
     enum RecordFields {
-        Uid = Qtopia::UID_ID,
-        Category = Qtopia::CATEGORY_ID,
-        Description,
-        Location,
-        Alarm,
-        Reminder,
-        Recurrence,
-        Note,
-        Created,
-        StartDate,
-        EndDate,
-        AllDay,
-        TimeZone
+        FUid = Qtopia::UID_ID,
+        FCategories = Qtopia::CATEGORY_ID,
+        FDescription = 0,
+        FLocation,
+	FType,
+	FAlarm,
+	FSound,
+	FRType,
+	FRWeekdays,
+	FRPosition,
+	FRFreq,
+	FRHasEndDate,
+	FREndDate,
+	FRCreated,
+	FRExceptions,
+	FStart,
+	FEnd,
+	FNote,
+        FTimeZone,
+        FRecParent,
+        FRecChildren,
     };
 
@@ -75,5 +84,5 @@ public:
 
     QString location()const;
-    void setLocation( const QString& loc );
+   void setLocation( const QString& loc );
 
     bool hasNotifiers()const;
@@ -133,4 +142,5 @@ public:
 
     QMap<int, QString> toMap()const;
+    void fromMap( const QMap<int, QString>& map );
     QString recordField(int )const;
 
diff --git a/libopie/pim/orecur.cpp b/libopie/pim/orecur.cpp
index 8c9ad46..f46f22e 100644
--- a/libopie/pim/orecur.cpp
+++ b/libopie/pim/orecur.cpp
@@ -35,4 +35,12 @@ ORecur::ORecur() {
     data = new Data;
 }
+
+ORecur::ORecur( const QMap<int, QString>& map )
+{
+	ORecur();
+	fromMap( map );
+}
+
+
 ORecur::ORecur( const ORecur& rec)
     : data( rec.data )
diff --git a/libopie/pim/orecur.h b/libopie/pim/orecur.h
index 47901b0..7750c12 100644
--- a/libopie/pim/orecur.h
+++ b/libopie/pim/orecur.h
@@ -23,4 +23,5 @@ public:
 
     ORecur();
+    ORecur( const QMap<int, QString>& map );
     ORecur( const ORecur& );
     ~ORecur();
diff --git a/libopie/pim/otodoaccesssql.cpp b/libopie/pim/otodoaccesssql.cpp
index 3913661..75a0860 100644
--- a/libopie/pim/otodoaccesssql.cpp
+++ b/libopie/pim/otodoaccesssql.cpp
@@ -300,5 +300,5 @@ namespace {
 
 OTodoAccessBackendSQL::OTodoAccessBackendSQL( const QString& file )
-    : OTodoAccessBackend(), m_dict(15), m_dirty(true)
+    : OTodoAccessBackend(), m_dict(15), m_driver(NULL), m_dirty(true)
 {
     QString fi = file;
@@ -312,5 +312,8 @@ OTodoAccessBackendSQL::OTodoAccessBackendSQL( const QString& file )
 
 OTodoAccessBackendSQL::~OTodoAccessBackendSQL(){
+	if( m_driver )
+		delete m_driver;
 }
+
 bool OTodoAccessBackendSQL::load(){
     if (!m_driver->open() )