author | zecke <zecke> | 2002-10-10 20:16:15 (UTC) |
---|---|---|
committer | zecke <zecke> | 2002-10-10 20:16:15 (UTC) |
commit | 48b06312289a90ad38278d3adb0bce5e9e0bd67e (patch) (unidiff) | |
tree | e5123b76d501eeb669ac6b43b8da746eae36e638 /libopie2/opiepim/backend/otodoaccesssql.cpp | |
parent | c90676c42c7be606a9fc690278b67909ba6a9c99 (diff) | |
download | opie-48b06312289a90ad38278d3adb0bce5e9e0bd67e.zip opie-48b06312289a90ad38278d3adb0bce5e9e0bd67e.tar.gz opie-48b06312289a90ad38278d3adb0bce5e9e0bd67e.tar.bz2 |
Implement read ahead on the XML resource...
Scrolling is now noticeable faster with 10.000 items
but not as fast the XML backend...
OPimCache can be tuned and Query->OTodo too
Diffstat (limited to 'libopie2/opiepim/backend/otodoaccesssql.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | libopie2/opiepim/backend/otodoaccesssql.cpp | 81 |
1 files changed, 75 insertions, 6 deletions
diff --git a/libopie2/opiepim/backend/otodoaccesssql.cpp b/libopie2/opiepim/backend/otodoaccesssql.cpp index 8add9f7..a059dab 100644 --- a/libopie2/opiepim/backend/otodoaccesssql.cpp +++ b/libopie2/opiepim/backend/otodoaccesssql.cpp | |||
@@ -80,11 +80,15 @@ namespace { | |||
80 | */ | 80 | */ |
81 | class FindQuery : public OSQLQuery { | 81 | class FindQuery : public OSQLQuery { |
82 | public: | 82 | public: |
83 | FindQuery(int uid); | 83 | FindQuery(int uid); |
84 | FindQuery(const QArray<int>& ); | ||
84 | ~FindQuery(); | 85 | ~FindQuery(); |
85 | QString query()const; | 86 | QString query()const; |
86 | private: | 87 | private: |
88 | QString single()const; | ||
89 | QString multi()const; | ||
90 | QArray<int> m_uids; | ||
87 | int m_uid; | 91 | int m_uid; |
88 | }; | 92 | }; |
89 | 93 | ||
90 | /** | 94 | /** |
@@ -137,8 +141,9 @@ namespace { | |||
137 | * converts from a OTodo to a query | 141 | * converts from a OTodo to a query |
138 | * we leave out X-Ref + Alarms | 142 | * we leave out X-Ref + Alarms |
139 | */ | 143 | */ |
140 | QString InsertQuery::query()const{ | 144 | QString InsertQuery::query()const{ |
145 | |||
141 | int year, month, day; | 146 | int year, month, day; |
142 | year = month = day = 0; | 147 | year = month = day = 0; |
143 | if (m_todo.hasDueDate() ) { | 148 | if (m_todo.hasDueDate() ) { |
144 | QDate date = m_todo.dueDate(); | 149 | QDate date = m_todo.dueDate(); |
@@ -174,15 +179,33 @@ namespace { | |||
174 | } | 179 | } |
175 | FindQuery::FindQuery(int uid) | 180 | FindQuery::FindQuery(int uid) |
176 | : OSQLQuery(), m_uid(uid ) { | 181 | : OSQLQuery(), m_uid(uid ) { |
177 | } | 182 | } |
183 | FindQuery::FindQuery(const QArray<int>& ints) | ||
184 | : OSQLQuery(), m_uids(ints){ | ||
185 | } | ||
178 | FindQuery::~FindQuery() { | 186 | FindQuery::~FindQuery() { |
179 | } | 187 | } |
180 | QString FindQuery::query()const{ | 188 | QString FindQuery::query()const{ |
189 | if (m_uids.count() == 0 ) | ||
190 | return single(); | ||
191 | else | ||
192 | return multi(); | ||
193 | } | ||
194 | QString FindQuery::single()const{ | ||
181 | QString qu = "select uid, categories, completed, progress, summary, "; | 195 | QString qu = "select uid, categories, completed, progress, summary, "; |
182 | qu += "DueDate, priority, description from todolist where uid = " + QString::number(m_uid); | 196 | qu += "DueDate, priority, description from todolist where uid = " + QString::number(m_uid); |
183 | return qu; | 197 | return qu; |
184 | } | 198 | } |
199 | QString FindQuery::multi()const { | ||
200 | QString qu = "select uid, categories, completed, progress, summary, "; | ||
201 | qu += "DueDate, priority, description from todolist where "; | ||
202 | for (uint i = 0; i < m_uids.count(); i++ ) { | ||
203 | qu += " UID = " + QString::number( m_uids[i] ) + " OR"; | ||
204 | } | ||
205 | qu.remove( qu.length()-2, 2 ); | ||
206 | return qu; | ||
207 | } | ||
185 | 208 | ||
186 | OverDueQuery::OverDueQuery(): OSQLQuery() {} | 209 | OverDueQuery::OverDueQuery(): OSQLQuery() {} |
187 | OverDueQuery::~OverDueQuery() {} | 210 | OverDueQuery::~OverDueQuery() {} |
188 | QString OverDueQuery::query()const { | 211 | QString OverDueQuery::query()const { |
@@ -260,8 +283,41 @@ OTodo OTodoAccessBackendSQL::find(int uid ) const{ | |||
260 | FindQuery query( uid ); | 283 | FindQuery query( uid ); |
261 | return todo( m_driver->query(&query) ); | 284 | return todo( m_driver->query(&query) ); |
262 | 285 | ||
263 | } | 286 | } |
287 | OTodo OTodoAccessBackendSQL::find( int uid, const QArray<int>& ints, | ||
288 | uint cur, Frontend::CacheDirection dir ) const{ | ||
289 | qWarning("searching for %d", uid ); | ||
290 | QArray<int> search( 8 ); | ||
291 | uint size =0; | ||
292 | OTodo to; | ||
293 | |||
294 | // we try to cache 8 items | ||
295 | switch( dir ) { | ||
296 | /* forward */ | ||
297 | case 0: | ||
298 | for (uint i = cur; i < ints.count() && size < 8; i++ ) { | ||
299 | qWarning("size %d %d", size, ints[i] ); | ||
300 | search[size] = ints[i]; | ||
301 | size++; | ||
302 | } | ||
303 | break; | ||
304 | /* reverse */ | ||
305 | case 1: | ||
306 | for (uint i = cur; i >= 0 && size < 8; i-- ) { | ||
307 | search[size] = ints[i]; | ||
308 | size++; | ||
309 | } | ||
310 | break; | ||
311 | } | ||
312 | search.resize( size ); | ||
313 | FindQuery query( search ); | ||
314 | OSQLResult res = m_driver->query( &query ); | ||
315 | if ( res.state() != OSQLResult::Success ) | ||
316 | return to; | ||
317 | |||
318 | return todo( res ); | ||
319 | } | ||
264 | void OTodoAccessBackendSQL::clear() { | 320 | void OTodoAccessBackendSQL::clear() { |
265 | ClearQuery cle; | 321 | ClearQuery cle; |
266 | OSQLResult res = m_driver->query( &cle ); | 322 | OSQLResult res = m_driver->query( &cle ); |
267 | CreateQuery qu; | 323 | CreateQuery qu; |
@@ -392,16 +448,29 @@ OTodo OTodoAccessBackendSQL::todo( const OSQLResult& res) const{ | |||
392 | } | 448 | } |
393 | 449 | ||
394 | OSQLResultItem::ValueList list = res.results(); | 450 | OSQLResultItem::ValueList list = res.results(); |
395 | OSQLResultItem::ValueList::Iterator it = list.begin(); | 451 | OSQLResultItem::ValueList::Iterator it = list.begin(); |
396 | 452 | qWarning("todo1"); | |
453 | OTodo to = todo( (*it) ); | ||
454 | cache( to ); | ||
455 | ++it; | ||
456 | |||
457 | for ( ; it != list.end(); ++it ) { | ||
458 | qWarning("caching"); | ||
459 | cache( todo( (*it) ) ); | ||
460 | } | ||
461 | return to; | ||
462 | } | ||
463 | OTodo OTodoAccessBackendSQL::todo( OSQLResultItem& item )const { | ||
464 | qWarning("todo"); | ||
397 | bool has = false; QDate da = QDate::currentDate(); | 465 | bool has = false; QDate da = QDate::currentDate(); |
398 | has = date( da, (*it).data("DueDate") ); | 466 | has = date( da, item.data("DueDate") ); |
399 | QStringList cats = QStringList::split(";", (*it).data("categories") ); | 467 | QStringList cats = QStringList::split(";", item.data("categories") ); |
400 | 468 | ||
401 | OTodo to( (bool)(*it).data("completed").toInt(), (*it).data("priority").toInt(), | 469 | OTodo to( (bool)item.data("completed").toInt(), item.data("priority").toInt(), |
402 | cats, (*it).data("summary"), (*it).data("description"), | 470 | cats, item.data("summary"), item.data("description"), |
403 | (*it).data("progress").toUShort(), has, da, (*it).data("uid").toInt() ); | 471 | item.data("progress").toUShort(), has, da, |
472 | item.data("uid").toInt() ); | ||
404 | return to; | 473 | return to; |
405 | } | 474 | } |
406 | OTodo OTodoAccessBackendSQL::todo( int uid )const { | 475 | OTodo OTodoAccessBackendSQL::todo( int uid )const { |
407 | FindQuery find( uid ); | 476 | FindQuery find( uid ); |