Diffstat (limited to 'libopie/pim/ocontactaccessbackend_sql.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie/pim/ocontactaccessbackend_sql.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libopie/pim/ocontactaccessbackend_sql.cpp b/libopie/pim/ocontactaccessbackend_sql.cpp index a5be4c8..d20df56 100644 --- a/libopie/pim/ocontactaccessbackend_sql.cpp +++ b/libopie/pim/ocontactaccessbackend_sql.cpp @@ -1,252 +1,255 @@ /* * 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 1.5 2004/03/14 13:50:35 alwin + * namespace correction + * * Revision 1.4 2003/12/22 10:19:26 eilers * Finishing implementation of sql-backend for datebook. But I have to * port the PIM datebook application to use it, before I could debug the * whole stuff. * Thus, PIM-Database backend is finished, but highly experimental. And some * parts are still generic. For instance, the "queryByExample()" methods are * not (or not fully) implemented. Todo: custom-entries not stored. * The big show stopper: matchRegExp() (needed by OpieSearch) needs regular * expression search in the database, which is not supported by sqlite ! * Therefore we need either an extended sqlite or a workaround which would * be very slow and memory consuming.. * * 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> - +using namespace Opie::DB; // 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_ qu += "select uid from addressbook"; #else # ifndef __USE_SUPERFAST_LOADQUERY qu += "select distinct uid from addressbook"; # else qu += "select uid from addressbook where type = 'Last Name'"; # endif // __USE_SUPERFAST_LOADQUERY #endif // __STORE_HORIZONTAL_ return qu; } InsertQuery::InsertQuery( const OContact& contact ) : OSQLQuery(), m_contact( contact ) { } InsertQuery::~InsertQuery() { } /* * converts from a OContact to a query */ QString InsertQuery::query()const{ #ifdef __STORE_HORIZONTAL_ QString qu; qu += "insert into addressbook VALUES( " + QString::number( m_contact.uid() ); |