Diffstat (limited to 'libopie/pim/ocontactaccessbackend_sql.cpp') (more/less context) (ignore 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 @@ -1,208 +1,211 @@ /* * 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; }; /** * removes one from the table */ class RemoveQuery : public OSQLQuery { public: RemoveQuery(int uid ); ~RemoveQuery(); QString query()const; private: int m_uid; }; /** * a find query for noncustom elements */ class FindQuery : public OSQLQuery { public: FindQuery(int uid); FindQuery(const QArray<int>& ); ~FindQuery(); QString query()const; private: QString single()const; QString multi()const; QArray<int> m_uids; int m_uid; }; /** * a find query for custom elements */ class FindCustomQuery : public OSQLQuery { public: FindCustomQuery(int uid); FindCustomQuery(const QArray<int>& ); ~FindCustomQuery(); QString query()const; private: QString single()const; QString multi()const; QArray<int> m_uids; int m_uid; }; // We using three tables to store the information: // 1. addressbook : It contains General information about the contact (non custom) // 2. custom_data : Not official supported entries // All tables are connected by the uid of the contact. // Maybe I should add a table for meta-information ? CreateQuery::CreateQuery() : OSQLQuery() {} CreateQuery::~CreateQuery() {} QString CreateQuery::query()const { QString qu; #ifdef __STORE_HORIZONTAL_ qu += "create table addressbook( uid PRIMARY KEY "; QStringList fieldList = OContactFields::untrfields( false ); for ( QStringList::Iterator it = ++fieldList.begin(); it != fieldList.end(); ++it ){ qu += QString( ",\"%1\" VARCHAR(10)" ).arg( *it ); } qu += " );"; qu += "create table custom_data( uid INTEGER, id INTEGER, type VARCHAR, priority INTEGER, value VARCHAR, PRIMARY KEY /* identifier */ (uid, id) );"; #else qu += "create table addressbook( uid INTEGER, id INTEGER, type VARCHAR, priority INTEGER, value VARCHAR, PRIMARY KEY /* identifier */ (uid, id));"; qu += "create table custom_data( uid INTEGER, id INTEGER, type VARCHAR, priority INTEGER, value VARCHAR, PRIMARY KEY /* identifier */ (uid, id) );"; // qu += "create table dates( uid PRIMARY KEY, type, day, month, year, hour, minute, second );"; #endif // __STORE_HORIZONTAL_ return qu; } ClearQuery::ClearQuery() : OSQLQuery() {} ClearQuery::~ClearQuery() {} QString ClearQuery::query()const { QString qu = "drop table addressbook;"; qu += "drop table custom_data;"; // qu += "drop table dates;"; return qu; } LoadQuery::LoadQuery() : OSQLQuery() {} LoadQuery::~LoadQuery() {} QString LoadQuery::query()const { QString qu; #ifdef __STORE_HORIZONTAL_ @@ -265,406 +268,412 @@ namespace { // These entries should stored in a special format // year-month-day QDate day = m_contact.anniversary(); if ( day.isValid() ){ qu += QString(",\"%1-%2-%3\"") .arg( day.year() ) .arg( day.month() ) .arg( day.day() ); } else { qu += ",\"\""; } } break; default: qu += QString( ",\"%1\"" ).arg( contactMap[id] ); } } qu += " );"; #else // Get all information out of the contact-class // Remember: The category is stored in contactMap, too ! QMap<int, QString> contactMap = m_contact.toMap(); QMap<QString, QString> addressbook_db; // Get the translation from the ID to the String QMap<int, QString> transMap = OContactFields::idToUntrFields(); for( QMap<int, QString>::Iterator it = contactMap.begin(); it != contactMap.end(); ++it ){ switch ( it.key() ){ case Qtopia::Birthday:{ // These entries should stored in a special format // year-month-day QDate day = m_contact.birthday(); addressbook_db.insert( transMap[it.key()], QString("%1-%2-%3") .arg( day.year() ) .arg( day.month() ) .arg( day.day() ) ); } break; case Qtopia::Anniversary:{ // These entries should stored in a special format // year-month-day QDate day = m_contact.anniversary(); addressbook_db.insert( transMap[it.key()], QString("%1-%2-%3") .arg( day.year() ) .arg( day.month() ) .arg( day.day() ) ); } break; case Qtopia::AddressUid: // Ignore UID break; default: // Translate id to String addressbook_db.insert( transMap[it.key()], it.data() ); break; } } // Now convert this whole stuff into a SQL String, beginning with // the addressbook table.. QString qu; // qu += "begin transaction;"; int id = 0; for( QMap<QString, QString>::Iterator it = addressbook_db.begin(); it != addressbook_db.end(); ++it ){ qu += "insert into addressbook VALUES(" + QString::number( m_contact.uid() ) + "," + QString::number( id++ ) + ",'" + it.key() //.latin1() + "'," + "0" // Priority for future enhancements + ",'" + it.data() //.latin1() + "');"; } #endif //__STORE_HORIZONTAL_ // Now add custom data.. #ifdef __STORE_HORIZONTAL_ int id = 0; #endif id = 0; QMap<QString, QString> customMap = m_contact.toExtraMap(); for( QMap<QString, QString>::Iterator it = customMap.begin(); it != customMap.end(); ++it ){ qu += "insert into custom_data VALUES(" + QString::number( m_contact.uid() ) + "," + 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(); OContact retContact( requestNonCustom( uid ) ); retContact.setExtraMap( requestCustom( uid ) ); qWarning("OContactAccessBackend_SQL::find() needed: %d ms", t.elapsed() ); return retContact; } QArray<int> OContactAccessBackend_SQL::queryByExample ( const OContact &query, int settings, const QDateTime& d = QDateTime() ) { QString qu = "SELECT uid FROM addressbook WHERE"; QMap<int, QString> queryFields = query.toMap(); QStringList fieldList = OContactFields::untrfields( false ); QMap<QString, int> translate = OContactFields::untrFieldsToId(); // Convert every filled field to a SQL-Query bool isAnyFieldSelected = false; for ( QStringList::Iterator it = ++fieldList.begin(); it != fieldList.end(); ++it ){ int id = translate[*it]; QString queryStr = queryFields[id]; if ( !queryStr.isEmpty() ){ isAnyFieldSelected = true; switch( id ){ default: // Switching between case sensitive and insensitive... // LIKE is not case sensitive, GLOB is case sensitive // Do exist a better solution to switch this ? if ( settings & OContactAccess::IgnoreCase ) qu += "(\"" + *it + "\"" + " LIKE " + "'" + queryStr.replace(QRegExp("\\*"),"%") + "'" + ") AND "; else qu += "(\"" + *it + "\"" + " GLOB " + "'" + queryStr + "'" + ") AND "; } } } // Skip trailing "AND" if ( isAnyFieldSelected ) qu = qu.left( qu.length() - 4 ); qWarning( "queryByExample query: %s", qu.latin1() ); // Execute query and return the received uid's OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); if ( res.state() != OSQLResult::Success ){ QArray<int> empty; return empty; } QArray<int> list = extractUids( res ); return list; } QArray<int> OContactAccessBackend_SQL::matchRegexp( const QRegExp &r ) const { QArray<int> nix(0); return nix; } const uint OContactAccessBackend_SQL::querySettings() { return OContactAccess::IgnoreCase || OContactAccess::WildCards; } bool OContactAccessBackend_SQL::hasQuerySettings (uint querySettings) const { /* OContactAccess::IgnoreCase, DateDiff, DateYear, DateMonth, DateDay * may be added with any of the other settings. IgnoreCase should never used alone. * Wildcards, RegExp, ExactMatch should never used at the same time... */ // Step 1: Check whether the given settings are supported by this backend if ( ( querySettings & ( OContactAccess::IgnoreCase | OContactAccess::WildCards // | OContactAccess::DateDiff // | OContactAccess::DateYear // | OContactAccess::DateMonth // | OContactAccess::DateDay // | OContactAccess::RegExp // | OContactAccess::ExactMatch ) ) != querySettings ) return false; // Step 2: Check whether the given combinations are ok.. // IngoreCase alone is invalid if ( querySettings == OContactAccess::IgnoreCase ) return false; |