Diffstat (limited to 'libopie/pim/ocontactaccessbackend_sql.cpp') (more/less context) (show whitespace changes)
| -rw-r--r-- | libopie/pim/ocontactaccessbackend_sql.cpp | 11 |
1 files changed, 10 insertions, 1 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 @@ -1,112 +1,115 @@ /* * SQL Backend for the OPIE-Contact Database. * * Copyright (c) 2002 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 1.3 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. * Addressbook: Changed table layout. Now, we just need 1/3 of disk-space. * Todo: Started to add new attributes. Some type conversions missing. * * Revision 1.1 2003/09/22 14:31:16 eilers * Added first experimental incarnation of sql-backend for addressbook. * Some modifications to be able to compile the todo sql-backend. * A lot of changes fill follow... * */ #include "ocontactaccessbackend_sql.h" #include <qarray.h> #include <qdatetime.h> #include <qstringlist.h> #include <qpe/global.h> #include <qpe/recordfields.h> #include <opie/ocontactfields.h> #include <opie/oconversion.h> #include <opie2/osqldriver.h> #include <opie2/osqlresult.h> #include <opie2/osqlmanager.h> #include <opie2/osqlquery.h> // If defined, we use a horizontal table ( uid, attr1, attr2, attr3, ..., attrn ) instead // vertical like "uid, type, value". // DON'T DEACTIVATE THIS DEFINE IN PRODUCTIVE ENVIRONMENTS !! #define __STORE_HORIZONTAL_ // Distinct loading is not very fast. If I expect that every person has just // one (and always one) 'Last Name', I can request all uid's for existing lastnames, // which is faster.. // But this may not be true for all entries, like company contacts.. // The current AddressBook application handles this problem, but other may not.. (eilers) #define __USE_SUPERFAST_LOADQUERY /* * Implementation of used query types * CREATE query * LOAD query * INSERT * REMOVE * CLEAR */ namespace { /** * CreateQuery for the Todolist Table */ class CreateQuery : public OSQLQuery { public: CreateQuery(); ~CreateQuery(); QString query()const; }; /** * Clears (delete) a Table */ class ClearQuery : public OSQLQuery { public: ClearQuery(); ~ClearQuery(); QString query()const; }; /** * LoadQuery * this one queries for all uids */ class LoadQuery : public OSQLQuery { public: LoadQuery(); ~LoadQuery(); QString query()const; }; /** * inserts/adds a OContact to the table */ class InsertQuery : public OSQLQuery { public: InsertQuery(const OContact& ); ~InsertQuery(); QString query()const; private: OContact m_contact; @@ -361,214 +364,220 @@ namespace { + "," + QString::number( id++ ) + ",'" + it.key() //.latin1() + "'," + "0" // Priority for future enhancements + ",'" + it.data() //.latin1() + "');"; } // qu += "commit;"; qWarning("add %s", qu.latin1() ); return qu; } RemoveQuery::RemoveQuery(int uid ) : OSQLQuery(), m_uid( uid ) {} RemoveQuery::~RemoveQuery() {} QString RemoveQuery::query()const { QString qu = "DELETE from addressbook where uid = " + QString::number(m_uid) + ";"; qu += "DELETE from custom_data where uid = " + QString::number(m_uid) + ";"; return qu; } FindQuery::FindQuery(int uid) : OSQLQuery(), m_uid( uid ) { } FindQuery::FindQuery(const QArray<int>& ints) : OSQLQuery(), m_uids( ints ){ } FindQuery::~FindQuery() { } QString FindQuery::query()const{ // if ( m_uids.count() == 0 ) return single(); } /* else return multi(); } QString FindQuery::multi()const { QString qu = "select uid, type, value from addressbook where"; for (uint i = 0; i < m_uids.count(); i++ ) { qu += " UID = " + QString::number( m_uids[i] ) + " OR"; } qu.remove( qu.length()-2, 2 ); // Hmmmm.. return qu; } */ #ifdef __STORE_HORIZONTAL_ QString FindQuery::single()const{ QString qu = "select *"; qu += " from addressbook where uid = " + QString::number(m_uid); // qWarning("find query: %s", qu.latin1() ); return qu; } #else QString FindQuery::single()const{ QString qu = "select uid, type, value from addressbook where uid = "; qu += QString::number(m_uid); return qu; } #endif FindCustomQuery::FindCustomQuery(int uid) : OSQLQuery(), m_uid( uid ) { } FindCustomQuery::FindCustomQuery(const QArray<int>& ints) : OSQLQuery(), m_uids( ints ){ } FindCustomQuery::~FindCustomQuery() { } QString FindCustomQuery::query()const{ // if ( m_uids.count() == 0 ) return single(); } QString FindCustomQuery::single()const{ QString qu = "select uid, type, value from custom_data where uid = "; qu += QString::number(m_uid); return qu; } }; /* --------------------------------------------------------------------------- */ 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"); QTime t; t.start(); /* Expecting to access the default filename if nothing else is set */ if ( filename.isEmpty() ){ m_fileName = Global::applicationFileName( "addressbook","addressbook.db" ); } else m_fileName = filename; // Get the standart sql-driver from the OSQLManager.. OSQLManager man; m_driver = man.standard(); m_driver->setUrl( m_fileName ); load(); qWarning("C'tor OContactAccessBackend_SQL ends: %d ms", t.elapsed() ); } +OContactAccessBackend_SQL::~OContactAccessBackend_SQL () +{ + if( m_driver ) + delete m_driver; +} bool OContactAccessBackend_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 ?? ) CreateQuery creat; OSQLResult res = m_driver->query( &creat ); update(); return true; } bool OContactAccessBackend_SQL::reload() { return load(); } bool OContactAccessBackend_SQL::save() { return m_driver->close(); } void OContactAccessBackend_SQL::clear () { ClearQuery cle; OSQLResult res = m_driver->query( &cle ); CreateQuery qu; res = m_driver->query(&qu); } bool OContactAccessBackend_SQL::wasChangedExternally() { return false; } QArray<int> OContactAccessBackend_SQL::allRecords() const { // FIXME: Think about cute handling of changed tables.. // Thus, we don't have to call update here... if ( m_changed ) ((OContactAccessBackend_SQL*)this)->update(); return m_uids; } bool OContactAccessBackend_SQL::add ( const OContact &newcontact ) { InsertQuery ins( newcontact ); OSQLResult res = m_driver->query( &ins ); if ( res.state() == OSQLResult::Failure ) return false; int c = m_uids.count(); m_uids.resize( c+1 ); m_uids[c] = newcontact.uid(); return true; } bool OContactAccessBackend_SQL::remove ( int uid ) { RemoveQuery rem( uid ); OSQLResult res = m_driver->query(&rem ); if ( res.state() == OSQLResult::Failure ) return false; m_changed = true; return true; } bool OContactAccessBackend_SQL::replace ( const OContact &contact ) { if ( !remove( contact.uid() ) ) return false; return add( contact ); } OContact OContactAccessBackend_SQL::find ( int uid ) const { qWarning("OContactAccessBackend_SQL::find()"); QTime t; t.start(); |