performance boost for inital backlog replay when using fixed-per-buffer

[quassel.git] / src / core / sqlitestorage.cpp

diff --git a/src/core/sqlitestorage.cpp b/src/core/sqlitestorage.cpp
index 85ffe51..3c58fa3 100644 (file)
--- a/src/core/sqlitestorage.cpp
+++ b/src/core/sqlitestorage.cpp
@@ -283,11 +283,13 @@ bool SqliteStorage::updateIdentity(UserId user, const CoreIdentity &identity) {
 #endif
   query.bindValue(":identityid", identity.id().toInt());
   safeExec(query);
+  watchQuery(query);
 
   QSqlQuery deleteNickQuery(logDb());
   deleteNickQuery.prepare(queryString("delete_nicks"));
   deleteNickQuery.bindValue(":identityid", identity.id().toInt());
   safeExec(deleteNickQuery);
+  watchQuery(deleteNickQuery);
 
   QSqlQuery insertNickQuery(logDb());
   insertNickQuery.prepare(queryString("insert_nick"));
@@ -295,6 +297,7 @@ bool SqliteStorage::updateIdentity(UserId user, const CoreIdentity &identity) {
     insertNickQuery.bindValue(":identityid", identity.id().toInt());
     insertNickQuery.bindValue(":nick", nick);
     safeExec(insertNickQuery);
+    watchQuery(insertNickQuery);
   }
 
   return true;
@@ -688,7 +691,7 @@ void SqliteStorage::createBuffer(UserId user, const NetworkId &networkId, Buffer
   watchQuery(query);
 }
 
-BufferInfo SqliteStorage::getBufferInfo(UserId user, const NetworkId &networkId, BufferInfo::Type type, const QString &buffer) {
+BufferInfo SqliteStorage::bufferInfo(UserId user, const NetworkId &networkId, BufferInfo::Type type, const QString &buffer, bool create) {
   QSqlQuery query(logDb());
   query.prepare(queryString("select_bufferByName"));
   query.bindValue(":networkid", networkId.toInt());
@@ -697,6 +700,9 @@ BufferInfo SqliteStorage::getBufferInfo(UserId user, const NetworkId &networkId,
   safeExec(query);
 
   if(!query.first()) {
+    if(!create)
+      return BufferInfo();
+
     createBuffer(user, networkId, type, buffer);
     safeExec(query);
     if(!query.first()) {
@@ -788,45 +794,45 @@ bool SqliteStorage::removeBuffer(const UserId &user, const BufferId &bufferId) {
   return true;
 }
 
-BufferId SqliteStorage::renameBuffer(const UserId &user, const NetworkId &networkId, const QString &newName, const QString &oldName) {
-  // check if such a buffer exists...
-  QSqlQuery existsQuery(logDb());
-  existsQuery.prepare(queryString("select_bufferByName"));
-  existsQuery.bindValue(":networkid", networkId.toInt());
-  existsQuery.bindValue(":userid", user.toInt());
-  existsQuery.bindValue(":buffercname", oldName.toLower());
-  safeExec(existsQuery);
-  if(!watchQuery(existsQuery))
+bool SqliteStorage::renameBuffer(const UserId &user, const BufferId &bufferId, const QString &newName) {
+  if(!isValidBuffer(user, bufferId))
     return false;
 
-  if(!existsQuery.first())
+  QSqlQuery query(logDb());
+  query.prepare(queryString("update_buffer_name"));
+  query.bindValue(":buffername", newName);
+  query.bindValue(":buffercname", newName.toLower());
+  query.bindValue(":bufferid", bufferId.toInt());
+  safeExec(query);
+  if(query.lastError().isValid()) {
+    // unexepcted error occured (19 == constraint violation)
+    if(query.lastError().number() != 19)
+      watchQuery(query);
     return false;
+  }
 
-  const int bufferid = existsQuery.value(0).toInt();
-
-  Q_ASSERT(!existsQuery.next());
+  return true;
+}
 
-  // ... and if the new name is still free.
-  existsQuery.bindValue(":networkid", networkId.toInt());
-  existsQuery.bindValue(":userid", user.toInt());
-  existsQuery.bindValue(":buffercname", newName.toLower());
-  safeExec(existsQuery);
-  if(!watchQuery(existsQuery))
+bool SqliteStorage::mergeBuffersPermanently(const UserId &user, const BufferId &bufferId1, const BufferId &bufferId2) {
+  if(!isValidBuffer(user, bufferId1) || !isValidBuffer(user, bufferId2))
     return false;
 
-  if(existsQuery.first())
+  QSqlQuery query(logDb());
+  query.prepare(queryString("update_backlog_bufferid"));
+  query.bindValue(":oldbufferid", bufferId2.toInt());
+  query.bindValue(":newbufferid", bufferId1.toInt());
+  safeExec(query);
+  if(!watchQuery(query))
     return false;
 
-  QSqlQuery renameBufferQuery(logDb());
-  renameBufferQuery.prepare(queryString("update_buffer_name"));
-  renameBufferQuery.bindValue(":buffername", newName);
-  renameBufferQuery.bindValue(":buffercname", newName.toLower());
-  renameBufferQuery.bindValue(":bufferid", bufferid);
-  safeExec(renameBufferQuery);
-  if(watchQuery(existsQuery))
-    return BufferId(bufferid);
-  else
-    return BufferId();
+  QSqlQuery delBufferQuery(logDb());
+  delBufferQuery.prepare(queryString("delete_buffer_for_bufferid"));
+  delBufferQuery.bindValue(":bufferid", bufferId2.toInt());
+  safeExec(delBufferQuery);
+  watchQuery(delBufferQuery);
+
+  return true;
 }
 
 void SqliteStorage::setBufferLastSeenMsg(UserId user, const BufferId &bufferId, const MsgId &msgId) {
@@ -895,15 +901,19 @@ QList<Message> SqliteStorage::requestMsgs(UserId user, BufferId bufferId, MsgId
     return messagelist;
 
   QSqlQuery query(logDb());
-  if(last == -1) {
-    query.prepare(queryString("select_messagesNew"));
+  
+  if(last == -1 && first == -1) {
+    query.prepare(queryString("select_messagesNewestK"));
+  } else if(last == -1) {
+    query.prepare(queryString("select_messagesNewerThan"));
+    query.bindValue(":firstmsg", first.toInt());
   } else {
     query.prepare(queryString("select_messages"));
     query.bindValue(":lastmsg", last.toInt());
+    query.bindValue(":firstmsg", first.toInt());
   }
 
   query.bindValue(":bufferid", bufferId.toInt());
-  query.bindValue(":firstmsg", first.toInt());
   query.bindValue(":limit", limit);
   safeExec(query);