diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelper.h b/sources/queued-server/src/QueuedTcpServerResponseHelper.h
index a323337..ea518ca 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelper.h
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelper.h
@@ -86,7 +86,7 @@ static const QHash<int, QByteArray> HTTPCodeMap = {{100, "Continue"},
 QVariantHash getData(const Request &_request, const QVariantHash &_data, const QString &_token);
 Request parsePath(const QString &_path);
 RequestPath pathToEnum(const QString &_path);
-};
+}; // namespace QueuedTcpServerResponseHelper
 
 
 #endif /* QUEUEDTCPSERVERRESPONSEHELPER_H */
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperApi1.h b/sources/queued-server/src/QueuedTcpServerResponseHelperApi1.h
index 8799999..09f0901 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperApi1.h
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperApi1.h
@@ -27,7 +27,7 @@ namespace QueuedTcpServerResponseHelperApi1
 QVariantHash getData(const QueuedTcpServerResponseHelper::RequestPath _request, const QString &_arg,
                      const QString &_type, const QVariantHash &_data, const QString &_token);
 QVariantHash getStatus();
-};
+}; // namespace QueuedTcpServerResponseHelperApi1
 
 
 #endif /* QUEUEDTCPSERVERRESPONSEHELPERAPI1_H */
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperAuth.h b/sources/queued-server/src/QueuedTcpServerResponseHelperAuth.h
index 2c9ca7e..4505e66 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperAuth.h
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperAuth.h
@@ -24,7 +24,7 @@ namespace QueuedTcpServerResponseHelperAuth
 {
 QVariantHash auth(const QVariantHash &_payload);
 bool tryAuth(const QString &_token);
-};
+}; // namespace QueuedTcpServerResponseHelperAuth
 
 
 #endif /* QUEUEDTCPSERVERRESPONSEHELPERAUTH_H */
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperOption.h b/sources/queued-server/src/QueuedTcpServerResponseHelperOption.h
index 4ef3a29..fa81352 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperOption.h
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperOption.h
@@ -24,7 +24,7 @@ namespace QueuedTcpServerResponseHelperOption
 {
 QVariantHash getOption(const QString &_option, const QString &_token);
 QVariantHash setOption(const QString &_option, const QVariantHash &_value, const QString &_token);
-};
+}; // namespace QueuedTcpServerResponseHelperOption
 
 
 #endif /* QUEUEDTCPSERVERRESPONSEHELPEROPTION_H */
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperPermissions.h b/sources/queued-server/src/QueuedTcpServerResponseHelperPermissions.h
index 7e1bde7..07056d2 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperPermissions.h
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperPermissions.h
@@ -25,7 +25,7 @@ namespace QueuedTcpServerResponseHelperPermissions
 QVariantHash addPermission(const long long _id, const QVariantHash &_value, const QString &_token);
 QVariantHash removePermission(const long long _id, const QVariantHash &_value,
                               const QString &_token);
-};
+}; // namespace QueuedTcpServerResponseHelperPermissions
 
 
 #endif /* QUEUEDTCPSERVERRESPONSEHELPERPERMISSIONS_H */
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperPlugins.h b/sources/queued-server/src/QueuedTcpServerResponseHelperPlugins.h
index 269e34f..4c52e9f 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperPlugins.h
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperPlugins.h
@@ -26,7 +26,7 @@ QVariantHash addPlugin(const QString &_name, const QString &_token);
 QVariantHash getPlugin(const QString &_name, const QString &_token);
 QVariantHash listPlugins();
 QVariantHash removePlugin(const QString &_name, const QString &_token);
-};
+}; // namespace QueuedTcpServerResponseHelperPlugins
 
 
 #endif /* QUEUEDTCPSERVERRESPONSEHELPLUGINS_H */
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperTask.cpp b/sources/queued-server/src/QueuedTcpServerResponseHelperTask.cpp
index 415a3af..f7329cd 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperTask.cpp
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperTask.cpp
@@ -100,7 +100,7 @@ QVariantHash QueuedTcpServerResponseHelperTask::getTask(const long long _id,
                       output = {{"code", 500}, {"message", err.message().c_str()}};
                   });
     } else {
-        auto res = QueuedCoreAdaptor::getTask(_id, property);
+        auto res = QueuedCoreAdaptor::getTask(_id, property, _token);
         res.match(
             [&output, &property](const QVariant &val) {
                 output["properties"] = {{property, val}};
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperTask.h b/sources/queued-server/src/QueuedTcpServerResponseHelperTask.h
index 7b42671..45d487c 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperTask.h
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperTask.h
@@ -31,7 +31,7 @@ QVariantHash getTasks(const QVariantHash &_data, const QString &_token);
 QVariantHash startOrStopTask(const long long _id, const QString &_token);
 QVariantHash startTask(const long long _id, const QString &_token);
 QVariantHash stopTask(const long long _id, const QString &_token);
-};
+}; // namespace QueuedTcpServerResponseHelperTask
 
 
 #endif /* QUEUEDTCPSERVERRESPONSEHELTASK_H */
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperUser.cpp b/sources/queued-server/src/QueuedTcpServerResponseHelperUser.cpp
index 7ba7017..af90522 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperUser.cpp
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperUser.cpp
@@ -134,7 +134,7 @@ QVariantHash QueuedTcpServerResponseHelperUser::getUser(const QString &_user,
                       output = {{"code", 500}, {"message", err.message().c_str()}};
                   });
     } else {
-        auto res = QueuedCoreAdaptor::getUser(userId, property);
+        auto res = QueuedCoreAdaptor::getUser(userId, property, _token);
         res.match(
             [&output, &property](const QVariant &val) {
                 output["properties"] = {{property, val}};
diff --git a/sources/queued-server/src/QueuedTcpServerResponseHelperUser.h b/sources/queued-server/src/QueuedTcpServerResponseHelperUser.h
index e02fae9..4c97c0a 100644
--- a/sources/queued-server/src/QueuedTcpServerResponseHelperUser.h
+++ b/sources/queued-server/src/QueuedTcpServerResponseHelperUser.h
@@ -29,7 +29,7 @@ QueuedUser::QueuedUserDefinitions getDefinitions(const QVariantHash &_data);
 QVariantHash getReport(const QVariantHash &_data, const QString &_token);
 QVariantHash getUser(const QString &_user, const QVariantHash &_data, const QString &_token);
 QVariantHash getUsers(const QVariantHash &_data, const QString &_token);
-};
+}; // namespace QueuedTcpServerResponseHelperUser
 
 
 #endif /* QUEUEDTCPSERVERRESPONSEHELUSER_H */
diff --git a/sources/queued/QueuedConfig.h.in b/sources/queued/QueuedConfig.h.in
index e148d6a..d8e15a9 100644
--- a/sources/queued/QueuedConfig.h.in
+++ b/sources/queued/QueuedConfig.h.in
@@ -119,7 +119,7 @@ static const char CG_FS_PATH[] = "/sys/fs/cgroup";
  * @brief plugin interface name
  */
 static const char PLUGIN_INTERFACE[] = PLUGIN_INTERFACE_NAME;
-}
+} // namespace QueuedConfig
 
 
 #endif /* QUEUEDCONFIG_H */
diff --git a/sources/queued/include/queued/QueuedCoreAdaptor.h b/sources/queued/include/queued/QueuedCoreAdaptor.h
index e830bff..d560699 100644
--- a/sources/queued/include/queued/QueuedCoreAdaptor.h
+++ b/sources/queued/include/queued/QueuedCoreAdaptor.h
@@ -381,7 +381,7 @@ QueuedResult<T> sendRequest(const QString &_service, const QString &_path,
         return QueuedError(dbusResponse.error().message().toStdString());
     }
 };
-}
+} // namespace QueuedCoreAdaptor
 
 
 #endif /* QUEUEDCOREADAPTOR_H */
diff --git a/sources/queued/include/queued/QueuedDatabase.h b/sources/queued/include/queued/QueuedDatabase.h
index 59f759d..0d64032 100644
--- a/sources/queued/include/queued/QueuedDatabase.h
+++ b/sources/queued/include/queued/QueuedDatabase.h
@@ -27,6 +27,7 @@
 #include <QHash>
 #include <QObject>
 #include <QSqlDatabase>
+#include <QVariant>
 
 
 /**
@@ -38,22 +39,6 @@ class QueuedDatabase : public QObject
     Q_PROPERTY(QString path READ path)
 
 public:
-    /**
-     * @struct QueuedDatabaseCondition
-     * @brief structure to define database condition payload
-     * @var key
-     * payload key
-     * @var value
-     * payload value
-     * @var operation
-     * comparison operation
-     */
-    struct QueuedDatabaseCondition {
-        QString key;
-        QVariant value;
-        QString operation;
-    };
-
     /**
      * @brief QueuedDatabase class constructor
      * @param parent
@@ -102,10 +87,12 @@ public:
      * table name
      * @param _condition
      * optional condition string
+     * @param _params
+     * optional condition parameters
      * @return list of records from table
      */
-    QList<QVariantHash> get(const QString &_table, const QList<QueuedDatabaseCondition> &_condition
-                                                   = QList<QueuedDatabaseCondition>());
+    QList<QVariantHash> get(const QString &_table, const QString &_condition = "",
+                            const QVariantHash &_params = QVariantHash());
     /**
      * @brief get record from table with given id
      * @param _table
@@ -198,13 +185,6 @@ private:
      * @return list of columns in table
      */
     QStringList getColumnsInRecord(const QSqlRecord &_record) const;
-    /**
-     * @brief parse condition map to sql query
-     * @param _condition
-     * condition map
-     * @return sql query string part
-     */
-    QString getCondition(const QList<QueuedDatabaseCondition> &_condition) const;
     /**
      * @brief last insertion ID
      * @param _table
diff --git a/sources/queued/include/queued/QueuedDatabaseSchema.h b/sources/queued/include/queued/QueuedDatabaseSchema.h
index c08742d..630299b 100644
--- a/sources/queued/include/queued/QueuedDatabaseSchema.h
+++ b/sources/queued/include/queued/QueuedDatabaseSchema.h
@@ -38,6 +38,10 @@ namespace QueuedDB
  * @brief settings table name
  */
 static const char SETTINGS_TABLE[] = "settings";
+/**
+ * @brief tasks modifications table name
+ */
+static const char TASKS_MODS_TABLE[] = "tasks_modifications";
 /**
  * @brief tasks table name
  */
@@ -78,11 +82,17 @@ typedef QHash<QString, QHash<QString, QueuedDBField>> QueuedDBSchema;
  */
 static const QueuedDBSchema DBSchema
     = {{SETTINGS_TABLE,
-        {{"_id", {"_id", "INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
+        {{"_id", {"_id", "INT PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
          {"key", {"key", "TEXT NOT NULL DEFAULT '0'", QVariant::String, true}},
          {"value", {"value", "TEXT", QVariant::String, true}}}},
+       {TASKS_MODS_TABLE,
+        {{"_id", {"_id", "INT PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
+         {"task", {"task", "INT NOT NULL DEFAULT 0", QVariant::LongLong, true}},
+         {"time", {"time", "TEXT", QVariant::String, true}},
+         {"user", {"user", "INT NOT NULL DEFAULT 0", QVariant::LongLong, true}},
+         {"value", {"value", "TEXT", QVariant::String, true}}}},
        {TASKS_TABLE,
-        {{"_id", {"_id", "INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
+        {{"_id", {"_id", "INT PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
          {"user", {"user", "INT NOT NULL DEFAULT 0", QVariant::LongLong, true}},
          {"command", {"command", "TEXT", QVariant::String, false}},
          {"commandArguments", {"commandArguments", "TEXT", QVariant::String, false}},
@@ -91,15 +101,15 @@ static const QueuedDBSchema DBSchema
          {"uid", {"uid", "INT", QVariant::UInt, true}},
          {"gid", {"gid", "INT", QVariant::UInt, true}},
          {"limits", {"limits", "TEXT", QVariant::String, false}},
-         {"startTime", {"startTime", "INT", QVariant::LongLong, true}},
-         {"endTime", {"endTime", "INT", QVariant::LongLong, true}}}},
+         {"startTime", {"startTime", "TEXT", QVariant::String, true}},
+         {"endTime", {"endTime", "TEXT", QVariant::String, true}}}},
        {TOKENS_TABLE,
-        {{"_id", {"_id", "INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
+        {{"_id", {"_id", "INT PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
          {"token", {"token", "TEXT NOT NULL DEFAULT '0'", QVariant::String, true}},
          {"user", {"user", "TEXT NOT NULL DEFAULT '0'", QVariant::String, true}},
          {"validUntil", {"validUntil", "TEXT NOT NULL DEFAULT '0'", QVariant::String, true}}}},
        {USERS_TABLE,
-        {{"_id", {"_id", "INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
+        {{"_id", {"_id", "INT PRIMARY KEY AUTOINCREMENT UNIQUE", QVariant::LongLong, true}},
          {"name", {"name", "TEXT NOT NULL DEFAULT '0'", QVariant::String, true}},
          {"password", {"password", "TEXT", QVariant::String, false}},
          {"email", {"email", "TEXT", QVariant::String, false}},
@@ -107,6 +117,6 @@ static const QueuedDBSchema DBSchema
          {"limits", {"limits", "TEXT", QVariant::String, true}},
          {"permissions", {"permissions", "INT", QVariant::UInt, true}},
          {"priotiry", {"priority", "INT", QVariant::UInt, true}}}}};
-};
+}; // namespace QueuedDB
 
 #endif /* QUEUEDDATABASESCHEMA_H */
diff --git a/sources/queued/include/queued/QueuedDebug.h b/sources/queued/include/queued/QueuedDebug.h
index 7d1c64b..d902a7b 100644
--- a/sources/queued/include/queued/QueuedDebug.h
+++ b/sources/queued/include/queued/QueuedDebug.h
@@ -83,7 +83,7 @@ QStringList getBuildData();
  * @brief additional method to get build details declared in version.h
  */
 QHash<QString, QHash<QString, QString>> getBuildMetaData();
-}
+} // namespace QueuedDebug
 
 
 #endif /* QUEUEDDEBUG_H */
diff --git a/sources/queued/include/queued/QueuedEnums.h b/sources/queued/include/queued/QueuedEnums.h
index 6e16528..dea5d6d 100644
--- a/sources/queued/include/queued/QueuedEnums.h
+++ b/sources/queued/include/queued/QueuedEnums.h
@@ -100,7 +100,7 @@ enum class ReturnStatus {
     InvalidToken = 1 << 4,
     InvalidPassword = 1 << 5
 };
-};
+}; // namespace QueuedEnums
 
 
 #endif /* QUEUEDENUMS_H */
diff --git a/sources/queued/include/queued/QueuedLimits.h b/sources/queued/include/queued/QueuedLimits.h
index c53872b..3188c9b 100644
--- a/sources/queued/include/queued/QueuedLimits.h
+++ b/sources/queued/include/queued/QueuedLimits.h
@@ -164,7 +164,7 @@ bool limitCompare(const long long _first, const long long _second);
  * @return minimal limits from given
  */
 Limits minimalLimits(const Limits &_task, const Limits &_user, const Limits &_default);
-};
+}; // namespace QueuedLimits
 
 
 #endif /* QUEUEDLIMITS_H */
diff --git a/sources/queued/include/queued/QueuedPluginSpecification.h b/sources/queued/include/queued/QueuedPluginSpecification.h
index 0fdd4c4..c30f1aa 100644
--- a/sources/queued/include/queued/QueuedPluginSpecification.h
+++ b/sources/queued/include/queued/QueuedPluginSpecification.h
@@ -175,7 +175,7 @@ Plugin readSpecification(const QString &_path);
  * @return initialized object
  */
 Plugin readSpecification(const QVariantHash &_map);
-};
+}; // namespace QueuedPluginSpecification
 
 
 #endif /* QUEUEDPLUGINSPECIFICATION_H */
diff --git a/sources/queued/include/queued/QueuedProcess.h b/sources/queued/include/queued/QueuedProcess.h
index a74c208..62a87af 100644
--- a/sources/queued/include/queued/QueuedProcess.h
+++ b/sources/queued/include/queued/QueuedProcess.h
@@ -26,6 +26,7 @@
 
 #include <QDateTime>
 #include <QProcess>
+#include <QVariant>
 
 
 class QueuedControlGroupsAdaptor;
@@ -56,6 +57,27 @@ class QueuedProcess : public QProcess
     Q_PROPERTY(QString workDirectory READ workDirectory WRITE setWorkDirectory)
 
 public:
+    /**
+     * @struct QueuedProcessModDefinitions
+     * @brief structure to define process modifications
+     * @var QueuedProcessModDefinitions::field
+     * field name
+     * @var QueuedProcessModDefinitions::value
+     * new field value
+     * @var QueuedProcessModDefinitions::task
+     * task ID
+     * @var QueuedProcessModDefinitions::time
+     * modification time
+     * @var QueuedProcessModDefinitions::user
+     * user ID, who modified the task
+     */
+    struct QueuedProcessModDefinitions {
+        QString field;
+        QVariant value;
+        long long task = 0;
+        QDateTime time;
+        long long user = 0;
+    };
     /**
      * @struct QueuedProcessDefinition
      * @brief structure to define process
@@ -91,6 +113,7 @@ public:
         QDateTime endTime;
         long long user = 0;
         QString limits;
+        QList<QueuedProcessModDefinitions> modifications;
     };
 
     /**
@@ -112,10 +135,6 @@ public:
      * @brief force kill ald children
      */
     void killChildren();
-    /**
-     * @brief update cgroup limits
-     */
-    void updateLimits();
     // properties
     /**
      * @brief children processes
diff --git a/sources/queued/include/queued/QueuedProcessManager.h b/sources/queued/include/queued/QueuedProcessManager.h
index 67d9e23..4c98668 100644
--- a/sources/queued/include/queued/QueuedProcessManager.h
+++ b/sources/queued/include/queued/QueuedProcessManager.h
@@ -71,19 +71,24 @@ public:
      * @brief parse task definitions from table data
      * @param _properties
      * map of task properties
+     * @param _modifications
+     * list of task modifications
      * @return data mapped to internal format
      */
     static QueuedProcess::QueuedProcessDefinitions
-    parseDefinitions(const QVariantHash &_properties);
+    parseDefinitions(const QVariantHash &_properties, const QList<QVariantHash> &_modifications);
     /**
      * @brief add task
      * @param _properties
      * task properties from database
+     * @param _modifications
+     * list of task modifications
      * @param _index
      * task index
      * @return pointer to created task
      */
-    QueuedProcess *add(const QVariantHash &_properties, const long long _index);
+    QueuedProcess *add(const QVariantHash &_properties, const QList<QVariantHash> &_modifications,
+                       const long long _index);
     /**
      * @brief add task
      * @param _definitions
@@ -94,12 +99,6 @@ public:
      */
     QueuedProcess *add(const QueuedProcess::QueuedProcessDefinitions &_definitions,
                        const long long _index);
-    /**
-     * @brief add tasks from database
-     * @param _processes
-     * database stored tasks
-     */
-    void loadProcesses(const QList<QVariantHash> &_processes);
     /**
      * @brief task
      * @param _index
diff --git a/sources/queued/include/queued/QueuedStaticConfig.h b/sources/queued/include/queued/QueuedStaticConfig.h
index 487708a..0dba832 100644
--- a/sources/queued/include/queued/QueuedStaticConfig.h
+++ b/sources/queued/include/queued/QueuedStaticConfig.h
@@ -157,6 +157,6 @@ static const QueuedSettingsDefaultMap QueuedSettingsDefaults = {
     {"ServerTimeout", {QueuedSettings::ServerTimeout, -1, false}},
     {"TokenExpiration", {QueuedSettings::TokenExpiration, 30, false}},
 };
-};
+}; // namespace QueuedConfig
 
 #endif /* QUEUEDCONFIGURATION_H */
diff --git a/sources/queued/include/queued/QueuedSystemInfo.h b/sources/queued/include/queued/QueuedSystemInfo.h
index dd03a2a..a2b1107 100644
--- a/sources/queued/include/queued/QueuedSystemInfo.h
+++ b/sources/queued/include/queued/QueuedSystemInfo.h
@@ -55,7 +55,7 @@ long long memoryCount();
  * @return weight as proportion
  */
 double memoryWeight(const long long _memory);
-}
+} // namespace QueuedSystemInfo
 
 
 #endif /* QUEUEDSYSTEMINFO_H */
diff --git a/sources/queued/include/queued/private/QueuedCorePrivateHelper.h b/sources/queued/include/queued/private/QueuedCorePrivateHelper.h
index ac53dc2..62b04e5 100644
--- a/sources/queued/include/queued/private/QueuedCorePrivateHelper.h
+++ b/sources/queued/include/queued/private/QueuedCorePrivateHelper.h
@@ -180,11 +180,14 @@ private:
      * task object
      * @param _taskData
      * task data to edit
+     * @param _userId
+     * user id who send request to modify
      * @remark _taskData should contain only fields defined in schema, any other
      * fields will be ignored. No need to pass all properties here
      * @return true on successful task edition
      */
-    QueuedResult<bool> editTaskPrivate(QueuedProcess *_process, const QVariantHash &_taskData);
+    QueuedResult<bool> editTaskPrivate(QueuedProcess *_process, const QVariantHash &_taskData,
+                                       const int _userId);
     /**
      * @brief edit user
      * @param _id
diff --git a/sources/queued/src/QueuedControlGroupsAdaptor.cpp b/sources/queued/src/QueuedControlGroupsAdaptor.cpp
index 7fcb5b0..d03e58a 100644
--- a/sources/queued/src/QueuedControlGroupsAdaptor.cpp
+++ b/sources/queued/src/QueuedControlGroupsAdaptor.cpp
@@ -38,7 +38,6 @@ QueuedControlGroupsAdaptor::QueuedControlGroupsAdaptor(QObject *_parent, QString
     qCDebug(LOG_LIB) << __PRETTY_FUNCTION__;
 
     m_name = std::move(_name);
-    createGroup();
 }
 
 
diff --git a/sources/queued/src/QueuedCoreAdaptor.cpp b/sources/queued/src/QueuedCoreAdaptor.cpp
index 4c4372e..c4bd5d6 100644
--- a/sources/queued/src/QueuedCoreAdaptor.cpp
+++ b/sources/queued/src/QueuedCoreAdaptor.cpp
@@ -349,8 +349,11 @@ QueuedResult<QVariantHash> QueuedCoreAdaptor::getTask(const long long _id, const
     auto res = getTask(_id, "", _token);
 
     QueuedResult<QVariantHash> output;
-    res.match([&output](const QVariant &val) { output = toResult<QVariantHash>(val); },
-              [&output](const QueuedError &err) { output = err; });
+    res.match(
+        [&output](const QVariant &val) {
+            output = qdbus_cast<QVariantHash>(val.value<QDBusArgument>());
+        },
+        [&output](const QueuedError &err) { output = err; });
 
     return output;
 }
@@ -398,8 +401,11 @@ QueuedResult<QVariantHash> QueuedCoreAdaptor::getUser(const long long _id, const
     auto res = getUser(_id, "", _token);
 
     QueuedResult<QVariantHash> output;
-    res.match([&output](const QVariant &val) { output = toResult<QVariantHash>(val); },
-              [&output](const QueuedError &err) { output = err; });
+    res.match(
+        [&output](const QVariant &val) {
+            output = qdbus_cast<QVariantHash>(val.value<QDBusArgument>());
+        },
+        [&output](const QueuedError &err) { output = err; });
 
     return output;
 }
diff --git a/sources/queued/src/QueuedCorePrivate.cpp b/sources/queued/src/QueuedCorePrivate.cpp
index 1a7fde8..e02361a 100644
--- a/sources/queued/src/QueuedCorePrivate.cpp
+++ b/sources/queued/src/QueuedCorePrivate.cpp
@@ -224,7 +224,7 @@ QueuedResult<bool> QueuedCorePrivate::editTask(const long long _id, const QVaria
     if (payload.contains("nice"))
         payload["nice"] = std::min(payload["nice"].toUInt(), authUser->priority());
 
-    return m_helper->editTaskPrivate(task, payload);
+    return m_helper->editTaskPrivate(task, payload, userAuthId);
 }
 
 
@@ -369,8 +369,9 @@ QueuedResult<QVariantHash> QueuedCorePrivate::pluginSettings(const QString &_plu
     if (!isAdmin)
         return QueuedError("Not allowed", QueuedEnums::ReturnStatus::InsufficientPermissions);
 
-    auto dbSettings = m_database->get(QueuedDB::SETTINGS_TABLE,
-                                      {{"key", QString("Plugin.%1.%").arg(_plugin), "LIKE"}});
+    auto optionName = QString("Plugin.%1.%").arg(_plugin);
+    auto dbSettings
+        = m_database->get(QueuedDB::SETTINGS_TABLE, "WHERE key LIKE :key", {{"key", optionName}});
     QVariantHash settings;
     std::for_each(dbSettings.cbegin(), dbSettings.cend(),
                   [&settings, &_plugin](const QVariantHash &value) {
diff --git a/sources/queued/src/QueuedCorePrivateHelper.cpp b/sources/queued/src/QueuedCorePrivateHelper.cpp
index 0271f54..6f0e29d 100644
--- a/sources/queued/src/QueuedCorePrivateHelper.cpp
+++ b/sources/queued/src/QueuedCorePrivateHelper.cpp
@@ -155,7 +155,7 @@ QueuedCorePrivateHelper::addTaskPrivate(const QString &_command, const QStringLi
     }
 
     // add to child object
-    processes()->add(properties, id);
+    processes()->add(properties, QList<QVariantHash>(), id);
     // notify plugins
     if (plugins())
         emit(plugins()->interface()->onAddTask(id));
@@ -282,9 +282,10 @@ QueuedResult<bool> QueuedCorePrivateHelper::editPluginPrivate(const QString &_pl
  * @fn editTaskPrivate
  */
 QueuedResult<bool> QueuedCorePrivateHelper::editTaskPrivate(QueuedProcess *_process,
-                                                            const QVariantHash &_taskData)
+                                                            const QVariantHash &_taskData,
+                                                            const int _userId)
 {
-    qCDebug(LOG_LIB) << "Edit task with ID" << _process->index();
+    qCDebug(LOG_LIB) << "Edit task with ID" << _process->index() << "from" << _userId;
 
     // modify record in database first
     bool status = database()->modify(QueuedDB::TASKS_TABLE, _process->index(), _taskData);
@@ -293,6 +294,14 @@ QueuedResult<bool> QueuedCorePrivateHelper::editTaskPrivate(QueuedProcess *_proc
                            << "in database, do not edit it in memory";
         return QueuedError("", QueuedEnums::ReturnStatus::Error);
     }
+    // store modification
+    for (auto &field : _taskData.keys())
+        database()->add(QueuedDB::TASKS_MODS_TABLE,
+                        {{"task", _process->index()},
+                         {"time", QDateTime::currentDateTimeUtc().toString(Qt::ISODateWithMs)},
+                         {"user", _userId},
+                         {"field", field},
+                         {"value", _taskData[field]}});
 
     // modify values stored in memory
     for (auto &property : _taskData.keys())
@@ -386,8 +395,11 @@ QueuedProcess *QueuedCorePrivateHelper::tryGetTask(const long long _id)
             qCWarning(LOG_LIB) << "Could not find task with ID" << _id;
             return nullptr;
         }
+        qCInfo(LOG_LIB) << "Try to get task" << _id << "modifications from database";
+        auto mods
+            = database()->get(QueuedDB::TASKS_MODS_TABLE, "WHERE task=:task", {{"task", _id}});
 
-        auto defs = QueuedProcessManager::parseDefinitions(data);
+        auto defs = QueuedProcessManager::parseDefinitions(data, mods);
         task = new QueuedProcess(this, defs, _id);
     }
 
diff --git a/sources/queued/src/QueuedCorePrivateInitializator.cpp b/sources/queued/src/QueuedCorePrivateInitializator.cpp
index 96bc205..7e670e5 100644
--- a/sources/queued/src/QueuedCorePrivateInitializator.cpp
+++ b/sources/queued/src/QueuedCorePrivateInitializator.cpp
@@ -131,8 +131,13 @@ void QueuedCorePrivate::initProcesses()
 
     m_processes = m_helper->initObject(m_processes);
     m_processes->setExitAction(onExitAction);
-    auto dbProcesses = m_database->get(QueuedDB::TASKS_TABLE, {{"endTime", "NULL", "IS"}});
-    m_processes->loadProcesses(dbProcesses);
+    auto dbProcesses = m_database->get(QueuedDB::TASKS_TABLE, "WHERE endTime IS NULL");
+    for (auto &proc : dbProcesses) {
+        auto _id = proc["_id"].toLongLong();
+        auto mods
+            = m_database->get(QueuedDB::TASKS_MODS_TABLE, "WHERE task=:task", {{"task", _id}});
+        m_processes->add(proc, mods, _id);
+    }
 
     m_connections += connect(m_processes, &QueuedProcessManager::taskStartTimeReceived,
                              [this](const long long _index, const QDateTime &_time) {
@@ -207,7 +212,8 @@ void QueuedCorePrivate::initUsers()
     m_users->setSalt(m_settings->admin().salt);
     m_users->setTokenExpiration(expiry);
     QString now = QDateTime::currentDateTimeUtc().toString(Qt::ISODateWithMs);
-    auto dbTokens = m_database->get(QueuedDB::TOKENS_TABLE, {{"validUntil", now, ">"}});
+    auto dbTokens = m_database->get(
+        QueuedDB::TOKENS_TABLE, "WHERE datetime(validUntil) > datetime(:time)", {{"time", now}});
     m_users->loadTokens(dbTokens);
     auto dbUsers = m_database->get(QueuedDB::USERS_TABLE);
     m_users->loadUsers(dbUsers);
diff --git a/sources/queued/src/QueuedDatabase.cpp b/sources/queued/src/QueuedDatabase.cpp
index a71d090..6273c9d 100644
--- a/sources/queued/src/QueuedDatabase.cpp
+++ b/sources/queued/src/QueuedDatabase.cpp
@@ -64,8 +64,10 @@ void QueuedDatabase::checkDatabase()
     QStringList schemaTables = QueuedDB::DBSchema.keys();
     for (auto &table : schemaTables) {
         // create table if does not exist
-        if (!tables.contains(table))
+        if (!tables.contains(table)) {
+            qDebug() << table;
             createTable(table);
+        }
         // update schema
         createSchema(table);
     }
@@ -89,8 +91,7 @@ void QueuedDatabase::createAdministrator(const QString &_user, const QString &_p
     qCDebug(LOG_LIB) << "Check for user" << _user;
 
     QSqlQuery query(m_database);
-    query.prepare("SELECT * FROM :table WHERE name=:username");
-    query.bindValue(":table", QueuedDB::USERS_TABLE);
+    query.prepare(QString("SELECT * FROM %1 WHERE name=:username").arg(QueuedDB::USERS_TABLE));
     query.bindValue(":username", _user);
     query.exec();
 
@@ -131,9 +132,10 @@ void QueuedDatabase::createSchema(const QString &_table)
             continue;
         QueuedDB::QueuedDBField field = QueuedDB::DBSchema[_table][column];
         QSqlQuery query(m_database);
-        query.prepare(
-            QString("ALTER TABLE :table ADD `%1` %2").arg(column).arg(field.sqlDescription));
-        query.bindValue(":table", _table);
+        query.prepare(QString("ALTER TABLE %1 ADD `%2` %3")
+                          .arg(_table)
+                          .arg(column)
+                          .arg(field.sqlDescription));
         query.exec();
 
         QSqlError error = query.lastError();
@@ -152,8 +154,7 @@ void QueuedDatabase::createTable(const QString &_table)
     qCDebug(LOG_LIB) << "Create table" << _table;
 
     QSqlQuery query(m_database);
-    query.prepare("CREATE TABLE :table (`_id` INTEGER PRIMARY KEY AUTOINCREMENT)");
-    query.bindValue(":table", _table);
+    query.prepare(QString("CREATE TABLE %1 (`_id` INTEGER PRIMARY KEY AUTOINCREMENT)").arg(_table));
     query.exec();
 
     QSqlError error = query.lastError();
@@ -165,17 +166,16 @@ void QueuedDatabase::createTable(const QString &_table)
 /**
  * @fn get
  */
-QList<QVariantHash> QueuedDatabase::get(const QString &_table,
-                                        const QList<QueuedDatabaseCondition> &_condition)
+QList<QVariantHash> QueuedDatabase::get(const QString &_table, const QString &_condition,
+                                        const QVariantHash &_params)
 {
     qCDebug(LOG_LIB) << "Get records in table" << _table;
 
     QList<QVariantHash> output;
     QSqlQuery query(m_database);
-    query.prepare("SELECT * FROM :table " + getCondition(_condition) + " ORDER BY _id ASC");
-    query.bindValue(":table", _table);
-    for (auto &cond : _condition)
-        query.bindValue(QString(":%1").arg(cond.key), cond.value);
+    query.prepare(QString("SELECT * FROM %1 %2 ORDER BY _id ASC").arg(_table).arg(_condition));
+    for (auto &key : _params.keys())
+        query.bindValue(QString(":%1").arg(key), _params[key]);
     query.exec();
 
     QSqlError error = query.lastError();
@@ -204,7 +204,7 @@ QVariantHash QueuedDatabase::get(const QString &_table, const long long _id)
 {
     qCDebug(LOG_LIB) << "Get record" << _id << "in table" << _table;
 
-    auto output = get(_table, {{"_id", _id, "="}});
+    auto output = get(_table, "WHERE _id=:_id", {{"_id", _id}});
     if (output.count() == 0) {
         qCWarning(LOG_LIB) << "Could not find records for" << _id;
         return QVariantHash();
@@ -257,10 +257,10 @@ long long QueuedDatabase::add(const QString &_table, const QVariantHash &_value)
     auto payload = getQueryPayload(_table, _value);
     // build query
     QSqlQuery query(m_database);
-    query.prepare(QString("INSERT INTO :table (%1) VALUES (%2)")
+    query.prepare(QString("INSERT INTO %1 (%2) VALUES (%3)")
+                      .arg(_table)
                       .arg(payload.keys().join(','))
                       .arg(payload.values().join(',')));
-    query.bindValue(":table", _table);
     for (auto &key : _value.keys())
         query.bindValue(QString(":%1").arg(key), _value[key]);
     query.exec();
@@ -289,8 +289,8 @@ bool QueuedDatabase::modify(const QString &_table, const long long _id, const QV
         stringPayload.append(QString("%1=:%1").arg(key));
     // build query
     QSqlQuery query(m_database);
-    query.prepare(QString("UPDATE :table SET %1 WHERE _id=:_id").arg(stringPayload.join(',')));
-    query.bindValue(":table", _table);
+    query.prepare(
+        QString("UPDATE %1 SET %2 WHERE _id=:_id").arg(_table).arg(stringPayload.join(',')));
     query.bindValue(":_id", _id);
     for (auto &key : _value.keys())
         query.bindValue(QString(":%1").arg(key), _value[key]);
@@ -315,8 +315,7 @@ bool QueuedDatabase::remove(const QString &_table, const long long _id)
     qCDebug(LOG_LIB) << "Remove row" << _id << "from" << _table;
 
     QSqlQuery query(m_database);
-    query.prepare("DELETE FROM :table WHERE _id=:_id");
-    query.bindValue(":table", _table);
+    query.prepare(QString("DELETE FROM %1 WHERE _id=:_id").arg(_table));
     query.bindValue(":_id", _id);
     query.exec();
 
@@ -339,8 +338,8 @@ void QueuedDatabase::removeTasks(const QDateTime &_endTime)
     qCDebug(LOG_LIB) << "Remove all tasks which are older than" << _endTime;
 
     QSqlQuery query(m_database);
-    query.prepare("DELETE FROM :table WHERE datetime(endTime) < datetime(:time)");
-    query.bindValue(":table", QueuedDB::TASKS_TABLE);
+    query.prepare(QString("DELETE FROM %1 WHERE datetime(endTime) < datetime(:time)")
+                      .arg(QueuedDB::TASKS_TABLE));
     query.bindValue(":time", _endTime.toString(Qt::ISODateWithMs));
     query.exec();
 
@@ -358,8 +357,8 @@ void QueuedDatabase::removeTokens()
 {
     QString now = QDateTime::currentDateTimeUtc().toString(Qt::ISODateWithMs);
     QSqlQuery query(m_database);
-    query.prepare("DELETE FROM :table WHERE datetime(validUntil) < datetime(:time)");
-    query.bindValue(":table", QueuedDB::TOKENS_TABLE);
+    query.prepare(QString("DELETE FROM %1 WHERE datetime(validUntil) < datetime(:time)")
+                      .arg(QueuedDB::TOKENS_TABLE));
     query.bindValue(":time", now);
     query.exec();
 
@@ -378,8 +377,8 @@ void QueuedDatabase::removeUsers(const QDateTime &_lastLogin)
     qCDebug(LOG_LIB) << "Remove all users which logged older than" << _lastLogin;
 
     QSqlQuery query(m_database);
-    query.prepare("DELETE FROM :table WHERE datetime(lastLogin) < datetime(:time)");
-    query.bindValue(":table", QueuedDB::USERS_TABLE);
+    query.prepare(QString("DELETE FROM %1 WHERE datetime(lastLogin) < datetime(:time)")
+                      .arg(QueuedDB::USERS_TABLE));
     query.bindValue(":time", _lastLogin.toString(Qt::ISODateWithMs));
     query.exec();
 
@@ -405,22 +404,6 @@ QStringList QueuedDatabase::getColumnsInRecord(const QSqlRecord &_record) const
 }
 
 
-/**
- * @fn getCondition
- */
-QString QueuedDatabase::getCondition(const QList<QueuedDatabaseCondition> &_condition) const
-{
-    if (_condition.isEmpty())
-        return "";
-
-    QStringList query;
-    for (auto &cond : _condition)
-        query += QString("%1 %2 :%1").arg(cond.key).arg(cond.operation);
-
-    return "WHERE " + query.join(',');
-}
-
-
 /**
  * @fn lastInsertionId
  */
@@ -429,8 +412,7 @@ long long QueuedDatabase::lastInsertionId(const QString &_table) const
     qCDebug(LOG_LIB) << "Get last row ID from" << _table;
 
     QSqlQuery query(m_database);
-    query.prepare("SELECT max(_id) FROM :table");
-    query.bindValue(":table", _table);
+    query.prepare(QString("SELECT max(_id) FROM %1").arg(_table));
     query.exec();
 
     QSqlError error = query.lastError();
diff --git a/sources/queued/src/QueuedProcess.cpp b/sources/queued/src/QueuedProcess.cpp
index 6a5239a..89aa81a 100644
--- a/sources/queued/src/QueuedProcess.cpp
+++ b/sources/queued/src/QueuedProcess.cpp
@@ -58,8 +58,6 @@ QueuedProcess::QueuedProcess(QObject *_parent, const QueuedProcessDefinitions &d
     setArguments(m_definitions.arguments);
     setWorkDirectory(m_definitions.workingDirectory);
 
-    updateLimits();
-
     connect(this, SIGNAL(started()), this, SLOT(applyCGroup()));
 }
 
@@ -90,19 +88,6 @@ void QueuedProcess::killChildren()
 }
 
 
-/**
- * @fn updateLimits
- */
-void QueuedProcess::updateLimits()
-{
-    auto nl = nativeLimits();
-
-    m_cgroup->setCpuLimit(std::llround(QueuedSystemInfo::cpuWeight(nl.cpu) * 100.0));
-    m_cgroup->setMemoryLimit(
-        std::llround(QueuedSystemInfo::memoryWeight(nl.memory) * QueuedSystemInfo::memoryCount()));
-}
-
-
 /**
  * @fn childrenPids
  */
@@ -281,7 +266,6 @@ void QueuedProcess::setLimits(const QString &_limits)
     qCDebug(LOG_LIB) << "Set process limits" << _limits;
 
     m_definitions.limits = _limits;
-    updateLimits();
 }
 
 
@@ -372,6 +356,7 @@ bool QueuedProcess::operator==(const QueuedProcess &_other)
     return name() == _other.name();
 }
 
+
 /**
  * applyCGroup
  */
@@ -386,6 +371,14 @@ void QueuedProcess::applyCGroup()
  */
 void QueuedProcess::setupChildProcess()
 {
+    // configure cgroup here and apply limits
+    m_cgroup->createGroup();
+    auto nl = nativeLimits();
+    m_cgroup->setCpuLimit(std::llround(QueuedSystemInfo::cpuWeight(nl.cpu) * 100.0));
+    m_cgroup->setMemoryLimit(
+        std::llround(QueuedSystemInfo::memoryWeight(nl.memory) * QueuedSystemInfo::memoryCount()));
+
+    // setup child properties
     ::setuid(m_definitions.uid);
     ::setgid(m_definitions.gid);
 
diff --git a/sources/queued/src/QueuedProcessManager.cpp b/sources/queued/src/QueuedProcessManager.cpp
index ef58eb3..1a4d365 100644
--- a/sources/queued/src/QueuedProcessManager.cpp
+++ b/sources/queued/src/QueuedProcessManager.cpp
@@ -62,9 +62,11 @@ QueuedProcessManager::~QueuedProcessManager()
  * @fn parseDefinitions
  */
 QueuedProcess::QueuedProcessDefinitions
-QueuedProcessManager::parseDefinitions(const QVariantHash &_properties)
+QueuedProcessManager::parseDefinitions(const QVariantHash &_properties,
+                                       const QList<QVariantHash> &_modifications)
 {
-    qCDebug(LOG_LIB) << "Parse definitions from" << _properties;
+    qCDebug(LOG_LIB) << "Parse definitions from" << _properties << "with modifications"
+                     << _modifications;
 
     QueuedProcess::QueuedProcessDefinitions defs;
     // parameters
@@ -81,6 +83,17 @@ QueuedProcessManager::parseDefinitions(const QVariantHash &_properties)
     defs.startTime = QDateTime::fromString(_properties["startTime"].toString(), Qt::ISODateWithMs);
     defs.endTime = QDateTime::fromString(_properties["endTime"].toString(), Qt::ISODateWithMs);
 
+    // modifications
+    for (auto &mod : _modifications) {
+        QueuedProcess::QueuedProcessModDefinitions mods;
+        mods.field = mod["field"].toString();
+        mods.value = mod["value"];
+        mods.task = mod["task"].toLongLong();
+        mods.time = QDateTime::fromString(mod["time"].toString(), Qt::ISODateWithMs);
+        mods.user = mod["user"].toLongLong();
+        defs.modifications.append(mods);
+    }
+
     return defs;
 }
 
@@ -88,11 +101,14 @@ QueuedProcessManager::parseDefinitions(const QVariantHash &_properties)
 /**
  * @fn add
  */
-QueuedProcess *QueuedProcessManager::add(const QVariantHash &_properties, const long long _index)
+QueuedProcess *QueuedProcessManager::add(const QVariantHash &_properties,
+                                         const QList<QVariantHash> &_modifications,
+                                         const long long _index)
 {
-    qCDebug(LOG_LIB) << "Add new process" << _properties << "with index" << _index;
+    qCDebug(LOG_LIB) << "Add new process" << _properties << "with modifications" << _modifications
+                     << "with index" << _index;
 
-    return add(parseDefinitions(_properties), _index);
+    return add(parseDefinitions(_properties, _modifications), _index);
 }
 
 
@@ -123,18 +139,6 @@ QueuedProcessManager::add(const QueuedProcess::QueuedProcessDefinitions &_defini
 }
 
 
-/**
- * @fn loadProcesses
- */
-void QueuedProcessManager::loadProcesses(const QList<QVariantHash> &_processes)
-{
-    qCDebug(LOG_LIB) << "Add tasks from" << _processes;
-
-    for (auto &processData : _processes)
-        add(processData, processData["_id"].toLongLong());
-}
-
-
 /**
  * @fn process
  */
diff --git a/sources/queued/src/QueuedReportManager.cpp b/sources/queued/src/QueuedReportManager.cpp
index 2a9ff3d..61a570c 100644
--- a/sources/queued/src/QueuedReportManager.cpp
+++ b/sources/queued/src/QueuedReportManager.cpp
@@ -60,20 +60,21 @@ QList<QVariantHash> QueuedReportManager::performance(const QueuedCore *_core,
 {
     qCDebug(LOG_LIB) << "Build performance report from" << _from << "to" << _to;
 
-    QList<QueuedDatabaseCondition> conditions;
-    if (_from.isValid())
-        conditions += QString("((datetime(startTime) > datetime('%1')) OR "
-                              "(startTime IS NULL))")
-                          .arg(_from.toString(Qt::ISODateWithMs));
-    if (_to.isValid())
-        conditions += QString("((datetime(endTime) < datetime('%1')) AND "
-                              "(endTime NOT NULL))")
-                          .arg(_to.toString(Qt::ISODateWithMs));
+    QVariantHash params;
+    QStringList conditions;
+    if (_from.isValid()) {
+        conditions += "((datetime(startTime) > datetime(:startTime)) OR (startTime IS NULL))";
+        params["startTime"] = _from.toString(Qt::ISODateWithMs);
+    }
+    if (_to.isValid()) {
+        conditions += "((datetime(endTime) < datetime(:endTime)) AND (endTime NOT NULL))";
+        params["endTime"] = _to.toString(Qt::ISODateWithMs);
+    }
 
     QString condition
         = conditions.isEmpty() ? "" : QString("WHERE (%1)").arg(conditions.join(" AND "));
     qCInfo(LOG_LIB) << "Task condition select" << condition;
-    auto tasks = m_database->get(QueuedDB::TASKS_TABLE, condition);
+    auto tasks = m_database->get(QueuedDB::TASKS_TABLE, condition, params);
 
     // build hash first
     QHash<long long, QVariantHash> hashOutput;
@@ -131,23 +132,26 @@ QList<QVariantHash> QueuedReportManager::tasks(const long long _user, const QDat
 {
     qCDebug(LOG_LIB) << "Search for tasks in" << _user << _from << _to;
 
+    QVariantHash params;
     QStringList conditions;
-    if (_user > 0)
-        conditions += QString("(user = %1)").arg(_user);
-    if (_from.isValid())
-        conditions += QString("((datetime(startTime) > datetime('%1')) OR "
-                              "(startTime IS NULL))")
-                          .arg(_from.toString(Qt::ISODateWithMs));
-    if (_to.isValid())
-        conditions += QString("((datetime(endTime) < datetime('%1')) AND "
-                              "(endTime NOT NULL))")
-                          .arg(_to.toString(Qt::ISODateWithMs));
+    if (_user > 0) {
+        conditions += "(user = :user)";
+        params["user"] = _user;
+    }
+    if (_from.isValid()) {
+        conditions += "((datetime(startTime) > datetime(:startTime)) OR (startTime IS NULL))";
+        params["startTime"] = _from.toString(Qt::ISODateWithMs);
+    }
+    if (_to.isValid()) {
+        conditions += "((datetime(endTime) < datetime(:endTime)) AND (endTime NOT NULL))";
+        params["endTime"] = _to.toString(Qt::ISODateWithMs);
+    }
 
     QString condition
         = conditions.isEmpty() ? "" : QString("WHERE (%1)").arg(conditions.join(" AND "));
     qCInfo(LOG_LIB) << "Task condition select" << condition;
 
-    return m_database->get(QueuedDB::TASKS_TABLE, condition);
+    return m_database->get(QueuedDB::TASKS_TABLE, condition, params);
 }
 
 
@@ -159,18 +163,20 @@ QList<QVariantHash> QueuedReportManager::users(const QDateTime &_lastLogged,
 {
     qCDebug(LOG_LIB) << "Search for users in" << _lastLogged << static_cast<uint>(_permission);
 
+    QVariantHash params;
     QStringList conditions;
-    if (_lastLogged.isValid())
-        conditions += QString("((datetime(lastLogin) > datetime('%1')) AND "
-                              "(lastLogin NOT NULL))")
-                          .arg(_lastLogged.toString(Qt::ISODateWithMs));
-    if (_permission != QueuedEnums::Permission::Invalid)
-        conditions
-            += QString("((permissions & ~%1) != permissions)").arg(static_cast<uint>(_permission));
+    if (_lastLogged.isValid()) {
+        conditions += "((datetime(lastLogin) > datetime(:lastLogin)) AND (lastLogin NOT NULL))";
+        params["lastLogin"] = _lastLogged.toString(Qt::ISODateWithMs);
+    }
+    if (_permission != QueuedEnums::Permission::Invalid) {
+        conditions += "((permissions & ~:permission) != permissions)";
+        params["permission"] = static_cast<uint>(_permission);
+    }
 
     QString condition
         = conditions.isEmpty() ? "" : QString("WHERE (%1)").arg(conditions.join(" AND "));
     qCInfo(LOG_LIB) << "User condition select" << condition;
 
-    return m_database->get(QueuedDB::USERS_TABLE, condition);
+    return m_database->get(QueuedDB::USERS_TABLE, condition, params);
 }
diff --git a/sources/queuedctl/src/QueuedctlAuth.h b/sources/queuedctl/src/QueuedctlAuth.h
index 90ede1c..c3626ad 100644
--- a/sources/queuedctl/src/QueuedctlAuth.h
+++ b/sources/queuedctl/src/QueuedctlAuth.h
@@ -30,7 +30,7 @@ void parser(QCommandLineParser &_parser);
 void setToken(const QString &_token, const QString &_user, const QString &_cache);
 QString token(const QString &_user, const QString &_cache);
 bool tryAuth(const QString &_token);
-};
+}; // namespace QueuedctlAuth
 
 
 #endif /* QUEUEDCTLAUTH_H */
diff --git a/sources/queuedctl/src/QueuedctlCommon.h b/sources/queuedctl/src/QueuedctlCommon.h
index 410f834..b4a5ac6 100644
--- a/sources/queuedctl/src/QueuedctlCommon.h
+++ b/sources/queuedctl/src/QueuedctlCommon.h
@@ -89,7 +89,7 @@ QString hashListToString(const QList<QVariantHash> &_list);
 void preprocess(const QStringList &_args, QCommandLineParser &_parser);
 void print(const QueuedctlResult &_result);
 QueuedctlResult process(QCommandLineParser &_parser, const QString &_cache, const QString &_user);
-};
+}; // namespace QueuedctlCommon
 
 
 #endif /* QUEUEDCTLCOMMON_H */
diff --git a/sources/queuedctl/src/QueuedctlOption.h b/sources/queuedctl/src/QueuedctlOption.h
index 956f834..404e3e3 100644
--- a/sources/queuedctl/src/QueuedctlOption.h
+++ b/sources/queuedctl/src/QueuedctlOption.h
@@ -29,7 +29,7 @@ QueuedctlCommon::QueuedctlResult editOption(const QString &_option, const QVaria
 QueuedctlCommon::QueuedctlResult getOption(const QString &_option, const QString &_token);
 void parserGet(QCommandLineParser &_parser);
 void parserSet(QCommandLineParser &_parser);
-};
+}; // namespace QueuedctlOption
 
 
 #endif /* QUEUEDCTLOPTION_H */
diff --git a/sources/queuedctl/src/QueuedctlPermissions.h b/sources/queuedctl/src/QueuedctlPermissions.h
index ae2532a..4863c86 100644
--- a/sources/queuedctl/src/QueuedctlPermissions.h
+++ b/sources/queuedctl/src/QueuedctlPermissions.h
@@ -29,7 +29,7 @@ QueuedctlCommon::QueuedctlResult addPermission(const long long _id, const QStrin
 QueuedctlCommon::QueuedctlResult removePermission(const long long _id, const QString &_permission,
                                                   const QString &_token);
 void parser(QCommandLineParser &_parser);
-};
+}; // namespace QueuedctlPermissions
 
 
 #endif /* QUEUEDCTLPERMISSIONS_H */
diff --git a/sources/queuedctl/src/QueuedctlPlugins.h b/sources/queuedctl/src/QueuedctlPlugins.h
index c01950f..88cc128 100644
--- a/sources/queuedctl/src/QueuedctlPlugins.h
+++ b/sources/queuedctl/src/QueuedctlPlugins.h
@@ -30,7 +30,7 @@ QueuedctlCommon::QueuedctlResult getPluginOptions(const QString &_plugin, const
 QueuedctlCommon::QueuedctlResult listPlugins();
 QueuedctlCommon::QueuedctlResult removePlugin(const QString &_plugin, const QString &_token);
 void parser(QCommandLineParser &_parser);
-};
+}; // namespace QueuedctlPlugins
 
 
 #endif /* QUEUEDCTLPLUGINS_H */
diff --git a/sources/queuedctl/src/QueuedctlTask.cpp b/sources/queuedctl/src/QueuedctlTask.cpp
index 487db7c..ea48939 100644
--- a/sources/queuedctl/src/QueuedctlTask.cpp
+++ b/sources/queuedctl/src/QueuedctlTask.cpp
@@ -109,7 +109,7 @@ QueuedctlTask::getTask(const long long _id, const QString &_property, const QStr
             },
             [&output](const QueuedError &err) { output.output = err.message().c_str(); });
     } else {
-        auto res = QueuedCoreAdaptor::getTask(_id, _property);
+        auto res = QueuedCoreAdaptor::getTask(_id, _property, _token);
         res.match(
             [&output](const QVariant &val) {
                 output.status = val.isValid();
diff --git a/sources/queuedctl/src/QueuedctlTask.h b/sources/queuedctl/src/QueuedctlTask.h
index 8388eca..57c3c71 100644
--- a/sources/queuedctl/src/QueuedctlTask.h
+++ b/sources/queuedctl/src/QueuedctlTask.h
@@ -43,7 +43,7 @@ setTask(const long long _id, const QueuedProcess::QueuedProcessDefinitions &_def
         const QString &_token);
 QueuedctlCommon::QueuedctlResult startTask(const long long _id, const QString &_token);
 QueuedctlCommon::QueuedctlResult stopTask(const long long _id, const QString &_token);
-};
+}; // namespace QueuedctlTask
 
 
 #endif /* QUEUEDCTLTASK_H */
diff --git a/sources/queuedctl/src/QueuedctlUser.cpp b/sources/queuedctl/src/QueuedctlUser.cpp
index 0622b0d..5552b23 100644
--- a/sources/queuedctl/src/QueuedctlUser.cpp
+++ b/sources/queuedctl/src/QueuedctlUser.cpp
@@ -139,7 +139,7 @@ QueuedctlUser::getUser(const long long _id, const QString &_property, const QStr
             },
             [&output](const QueuedError &err) { output.output = err.message().c_str(); });
     } else {
-        auto res = QueuedCoreAdaptor::getUser(_id, _property);
+        auto res = QueuedCoreAdaptor::getUser(_id, _property, _token);
         res.match(
             [&output](const QVariant &val) {
                 output.status = val.isValid();
diff --git a/sources/queuedctl/src/QueuedctlUser.h b/sources/queuedctl/src/QueuedctlUser.h
index dc6f8d1..745f044 100644
--- a/sources/queuedctl/src/QueuedctlUser.h
+++ b/sources/queuedctl/src/QueuedctlUser.h
@@ -44,7 +44,7 @@ void parserSet(QCommandLineParser &_parser);
 QueuedctlCommon::QueuedctlResult setUser(const long long _id,
                                          const QueuedUser::QueuedUserDefinitions &_definitions,
                                          const QString &_token);
-};
+}; // namespace QueuedctlUser
 
 
 #endif /* QUEUEDCTLUSER_H */