diff --git a/src/bulkinserter.cpp b/src/bulkinserter.cpp
index f39f7e9..ddebc4b 100644
--- a/src/bulkinserter.cpp
+++ b/src/bulkinserter.cpp
@@ -23,7 +23,7 @@ void Nut::BulkInserter::setFields(const Nut::PhraseList &ph)
 void Nut::BulkInserter::insert(std::initializer_list<QVariant> vars)
 {
     if (vars.size() != _fieldCount) {
-        qInfo("Number of rows mstake");
+        qInfo("Number of rows mistake");
         return;
     }
 
diff --git a/src/database.cpp b/src/database.cpp
index 2b38e67..7f26b8d 100644
--- a/src/database.cpp
+++ b/src/database.cpp
@@ -45,7 +45,9 @@
 #include <iostream>
 #include <cstdarg>
 
-#define __CHANGE_LOG_TABLE_NAME "__change_logs"
+#ifndef __CHANGE_LOG_TABLE_NAME
+#   define __CHANGE_LOG_TABLE_NAME "__change_logs"
+#endif
 
 NUT_BEGIN_NAMESPACE
 
@@ -196,6 +198,7 @@ bool DatabasePrivate::getCurrectScheema()
         return false;
     }
 
+    QMap<QString, QString> tables;
     tables.clear();
 
     // TODO: change logs must not be in model
@@ -240,21 +243,6 @@ bool DatabasePrivate::getCurrectScheema()
             if (!ok)
                 qFatal("NUT_DB_VERSION macro accept version in format 'x'");
             currentModel.setVersion(version);
-
-            /* TODO: remove
-            QStringList version
-                = QString(ci.value()).replace("\"", "").split('.');
-            bool ok = false;
-            if (version.length() == 1) {
-                currentModel.setVersion(version.at(0).toInt(&ok));
-            } else if (version.length() == 2) {
-                currentModel.setVersionMajor(version.at(0).toInt(&ok));
-                currentModel.setVersionMinor(version.at(1).toInt(&ok));
-            }
-
-            if (!ok)
-                qFatal("NUT_DB_VERSION macro accept version in format 'x' or "
-                       "'x[.y]' only, and x,y must be integer values\n");*/
         }
     }
 
@@ -288,22 +276,6 @@ bool DatabasePrivate::getCurrectScheema()
     return true;
 }
 
-//bool DatabasePrivate::checkClassInfo(const QMetaClassInfo &classInfo, QString &type, QString &name, QString &value)
-//{
-//    if (!QString(classInfo.name()).startsWith(__nut_NAME_PERFIX)) {
-//        return false;
-//    } else {
-//        QStringList parts = QString(classInfo.value()).split("\n");
-//        if (parts.count() != 3)
-//            return false;
-
-//        type = parts[0];
-//        name = parts[1];
-//        value = parts[2];
-//        return true;
-//    }
-//}
-
 DatabaseModel DatabasePrivate::getLastScheema()
 {
     ChangeLogTable *u = changeLogs->query()
@@ -386,6 +358,7 @@ void DatabasePrivate::createChangeLogs()
 Database::Database(QObject *parent)
     : QObject(parent), d_ptr(new DatabasePrivate(this))
 {
+//    _d = new QSharedDataPointer<DatabasePrivate>(new DatabasePrivate(this));
     DatabasePrivate::lastId++;
 }
 
@@ -393,6 +366,7 @@ Database::Database(const Database &other)
     : QObject(other.parent()), d_ptr(new DatabasePrivate(this))
 {
     DatabasePrivate::lastId++;
+//    _d = other._d;
 
     setDriver(other.driver());
     setHostName(other.hostName());
@@ -592,7 +566,6 @@ bool Database::open(bool updateDatabase)
     if (!d->sqlGenertor) {
         qFatal("Sql generator for driver %s not found",
                  driver().toLatin1().constData());
-        return false;
     }
 
     return d->open(updateDatabase);
diff --git a/src/database.h b/src/database.h
index 65d088a..58f611c 100644
--- a/src/database.h
+++ b/src/database.h
@@ -24,6 +24,7 @@
 #include <QtCore/qglobal.h>
 #include <QtCore/QList>
 #include <QtSql/QSqlDatabase>
+#include <QSharedDataPointer>
 
 #include "defines.h"
 #include "tableset.h"
@@ -39,6 +40,7 @@ class NUT_EXPORT Database : public QObject
 {
     Q_OBJECT
 
+//    QSharedDataPointer<DatabasePrivate> *_d;
     DatabasePrivate *d_ptr;
     Q_DECLARE_PRIVATE(Database)
 
diff --git a/src/database_p.h b/src/database_p.h
index 46ae47c..d05d540 100644
--- a/src/database_p.h
+++ b/src/database_p.h
@@ -25,11 +25,12 @@
 #include "databasemodel.h"
 
 #include <QDebug>
+#include <QSharedData>
 
 NUT_BEGIN_NAMESPACE
 
 class ChangeLogTable;
-class DatabasePrivate
+class DatabasePrivate //: public QSharedData
 {
     Database *q_ptr;
     Q_DECLARE_PUBLIC(Database)
@@ -45,8 +46,6 @@ public:
     DatabaseModel getLastScheema();
     bool getCurrectScheema();
 
-//    bool checkClassInfo(const QMetaClassInfo &classInfo,
-//                                    QString &type, QString &name, QString &value);
     QSqlDatabase db;
 
     QString hostName;
@@ -62,8 +61,6 @@ public:
 
     TableSet<ChangeLogTable> *changeLogs;
 
-    QT_DEPRECATED
-    QMap<QString, QString> tables;
     static QMap<QString, DatabaseModel> allTableMaps;
     static qulonglong lastId;
 
diff --git a/src/generators/sqlservergenerator.cpp b/src/generators/sqlservergenerator.cpp
index fc8481b..0731b59 100644
--- a/src/generators/sqlservergenerator.cpp
+++ b/src/generators/sqlservergenerator.cpp
@@ -163,13 +163,15 @@ QString SqlServerGenerator::diff(FieldModel *oldField, FieldModel *newField)
 
 QString SqlServerGenerator::escapeValue(const QVariant &v) const
 {
-    if (v.type() == QMetaType::QString || v.type() == QMetaType::QChar)
+    auto mid = static_cast<QMetaType::Type>(v.userType());
+
+    if (mid == QMetaType::QString || mid == QMetaType::QChar)
         return "N'" + v.toString() + "'";
-    else if (v.type() == QMetaType::QPoint) {
+    else if (mid == QMetaType::QPoint) {
         QPoint pt = v.toPoint();
         return QString("geography::POINT(%1, %2, 4326)").arg(pt.x()).arg(
             pt.y());
-    } else if (v.type() == QMetaType::QPointF) {
+    } else if (mid == QMetaType::QPointF) {
         QPointF pt = v.toPointF();
         return QString("geography::POINT(%1, %2, 4326)").arg(pt.x()).arg(
             pt.y());
diff --git a/src/query.h b/src/query.h
index 4103590..974520e 100644
--- a/src/query.h
+++ b/src/query.h
@@ -29,7 +29,9 @@
 #include <QtSql/QSqlResult>
 #include <QtSql/QSqlError>
 #include <QtSql/QSqlQueryModel>
+#include <QSqlQuery>
 
+#include "table.h"
 #include "query_p.h"
 #include "database.h"
 #include "databasemodel.h"
@@ -97,11 +99,11 @@ public:
     QString sqlCommand() const;
 };
 
-template <typename T>
-inline Query<T> *createQuery(TableSet<T> *tableSet)
-{
-    return tableSet->query();
-}
+//template <typename T>
+//inline Query<T> *createQuery(TableSet<T> *tableSet)
+//{
+//    return tableSet->query();
+//}
 
 template <class T>
 Q_OUTOFLINE_TEMPLATE Query<T>::Query(Database *database, TableSetBase *tableSet,
diff --git a/src/sqlmodel.cpp b/src/sqlmodel.cpp
index ff40fa3..ea2b27e 100644
--- a/src/sqlmodel.cpp
+++ b/src/sqlmodel.cpp
@@ -21,7 +21,8 @@
 #include "database.h"
 #include "tablesetbase_p.h"
 #include "databasemodel.h"
-
+#include "tablemodel.h"
+#include "table.h"
 #include "sqlmodel_p.h"
 #include "sqlmodel.h"
 
diff --git a/src/table.cpp b/src/table.cpp
index 87d11bb..6bcc750 100644
--- a/src/table.cpp
+++ b/src/table.cpp
@@ -20,11 +20,14 @@
 
 #include <QMetaMethod>
 #include <QVariant>
+#include <QSqlQuery>
+
 #include "table.h"
 #include "table_p.h"
 #include "database.h"
 #include "databasemodel.h"
 #include "generators/sqlgeneratorbase_p.h"
+#include "tablesetbase_p.h"
 
 NUT_BEGIN_NAMESPACE
 
@@ -42,11 +45,7 @@ NUT_BEGIN_NAMESPACE
 
 Table::Table(QObject *parent) : QObject(parent),
     d_ptr(new TablePrivate(this))
-{
-    Q_D(Table);
-    d->status = NewCreated;
-//    d->model = TableModel::findByClassName(metaObject()->className());
-}
+{ }
 
 Table::~Table()
 {
@@ -62,26 +61,26 @@ void Table::add(TableSetBase *t)
     d->childTableSets.insert(t);
 }
 
-QString Table::primaryKey() const
-{
-    Q_D(const Table);
-    return d->model->primaryKey();
-}
+//QString Table::primaryKey() const
+//{
+//    Q_D(const Table);
+//    return d->model->primaryKey();
+//}
 
-bool Table::isPrimaryKeyAutoIncrement() const
-{
-    Q_D(const Table);
-    FieldModel *pk = d->model->field(d->model->primaryKey());
-    if (!pk)
-        return false;
-    return pk->isAutoIncrement;
-}
+//bool Table::isPrimaryKeyAutoIncrement() const
+//{
+//    Q_D(const Table);
+//    FieldModel *pk = d->model->field(d->model->primaryKey());
+//    if (!pk)
+//        return false;
+//    return pk->isAutoIncrement;
+//}
 
 
-QVariant Table::primaryValue() const
-{
-    return property(primaryKey().toLatin1().data());
-}
+//QVariant Table::primaryValue() const
+//{
+//    return property(primaryKey().toLatin1().data());
+//}
 
 void Table::propertyChanged(const QString &propName)
 {
@@ -104,6 +103,12 @@ void Table::propertyChanged(const QString &propName)
         d->status = Added;
 }
 
+void Table::setModel(TableModel *model)
+{
+    Q_D(Table);
+    d->model = model;
+}
+
 void Table::clear()
 {
     Q_D(Table);
@@ -116,21 +121,21 @@ QSet<QString> Table::changedProperties() const
     return d->changedProperties;
 }
 
-bool Table::setParentTable(Table *master)
+bool Table::setParentTable(Table *master, TableModel *masterModel, TableModel *model)
 {
     Q_D(Table);
 
     QString masterClassName = master->metaObject()->className();
     d->refreshModel();
 
-    if (!d->model)
-        d->model = TableModel::findByClassName(metaObject()->className());
+//    if (!d->model)
+//        d->model = TableModel::findByClassName(metaObject()->className());
 
-    foreach (RelationModel *r, d->model->foregionKeys())
+    foreach (RelationModel *r, model->foregionKeys())
         if(r->masterClassName == masterClassName)
         {
             setProperty(QString(r->localColumn).toLatin1().data(),
-                        master->primaryValue());
+                        master->property(masterModel->primaryKey().toUtf8().data()));
             d->changedProperties.insert(r->localColumn);
             return true;
         }
@@ -202,8 +207,8 @@ TablePrivate::TablePrivate(Table *parent) : q_ptr(parent),
 void TablePrivate::refreshModel()
 {
     Q_Q(Table);
-    if (!model)
-        model = TableModel::findByClassName(q->metaObject()->className());
+//    if (!model)
+//        model = TableModel::findByClassName(q->metaObject()->className());
 }
 
 NUT_END_NAMESPACE
diff --git a/src/table.h b/src/table.h
index 5526166..d661784 100644
--- a/src/table.h
+++ b/src/table.h
@@ -55,14 +55,14 @@ public:
 
     int save(Database *db);
 
-    Q_DECL_DEPRECATED
-    QString primaryKey() const;
+//    Q_DECL_DEPRECATED
+//    QString primaryKey() const;
 
-    Q_DECL_DEPRECATED
-    bool isPrimaryKeyAutoIncrement() const;
+//    Q_DECL_DEPRECATED
+//    bool isPrimaryKeyAutoIncrement() const;
 
-    Q_DECL_DEPRECATED
-    QVariant primaryValue() const;
+//    Q_DECL_DEPRECATED
+//    QVariant primaryValue() const;
 
     Status status() const;
     void setStatus(const Status &status);
@@ -74,7 +74,7 @@ public:
 
     QSet<QString> changedProperties() const;
 
-    bool setParentTable(Table *master);
+    bool setParentTable(Table *master, TableModel *masterModel, TableModel *model);
 signals:
 
 public slots:
@@ -83,6 +83,7 @@ protected:
     void propertyChanged(const QString &propName);
 
 private:
+    void setModel(TableModel *model);
 //    TableModel *myModel;
 //    Status _status;
 //    QSet<QString> _changedProperties;
@@ -96,6 +97,8 @@ private:
     template<class T>
     friend class Query;
 
+    template<class T>
+    friend class TableSet;
     friend class TableSetBase;
 };
 
diff --git a/src/tablemodel.cpp b/src/tablemodel.cpp
index e434e84..22ddfeb 100644
--- a/src/tablemodel.cpp
+++ b/src/tablemodel.cpp
@@ -101,38 +101,6 @@ QStringList TableModel::fieldsNames() const
     return ret;
 }
 
-QSet<TableModel *> TableModel::allModels()
-{
-    return _allModels;
-}
-
-/*
- * This is not used anywhere
- */
-TableModel *TableModel::findByTypeId(int typeId)
-{
-    foreach (TableModel *model, _allModels)
-        if(model->typeId() == typeId)
-            return model;
-    return nullptr;
-}
-
-/**
- * @brief TableModel::findByClassName
- *  Find a table model by class name
- * @param className
- * @return
- */
-TableModel *TableModel::findByClassName(const QString &className)
-{
-    foreach (TableModel *model, _allModels){
-        if(model->className() == className)
-            return model;
-    }
-
-    return nullptr;
-}
-
 bool TableModel::operator ==(const TableModel &t) const{
     if(_name != t.name())
         return false;
@@ -157,23 +125,6 @@ bool TableModel::operator !=(const TableModel &t) const
     return !(*this == t);
 }
 
-//bool TableModel::checkClassInfo(const QMetaClassInfo &classInfo,
-//                                QString &type, QString &name, QString &value)
-//{
-//    if (!QString(classInfo.name()).startsWith(__nut_NAME_PERFIX)) {
-//        return false;
-//    } else {
-//        QStringList parts = QString(classInfo.value()).split("\n");
-//        if (parts.count() != 3)
-//            return false;
-
-//        type = parts[0];
-//        name = parts[1];
-//        value = parts[2];
-//        return true;
-//    }
-//}
-
 TableModel::TableModel(int typeId, const QString &tableName)
 {
     //TODO: check that
@@ -271,9 +222,6 @@ TableModel::TableModel(int typeId, const QString &tableName)
             f->isAutoIncrement = true;
         }
     }
-
-    if(!findByTypeId(typeId) && !tableName.isNull())
-        _allModels.insert(this);
 }
 
 /*
diff --git a/src/tablemodel.h b/src/tablemodel.h
index 7914ee5..6b43071 100644
--- a/src/tablemodel.h
+++ b/src/tablemodel.h
@@ -87,8 +87,10 @@ struct RelationModel{
 
     QJsonObject toJson() const;
 };
+
 bool operator ==(const RelationModel &l, const RelationModel &r);
 bool operator !=(const RelationModel &l, const RelationModel &r);
+
 class NUT_EXPORT TableModel
 {
 public:
@@ -98,10 +100,6 @@ public:
 
     QJsonObject toJson() const;
 
-//    static TableScheema *registerTable(int typeId, QString tableName);
-//    static void createForegionKeys();
-//    static TableModel* model(QString className);
-
     FieldModel *field(int n) const;
     FieldModel *field(const QString &name) const;
     RelationModel *foregionKey(const QString &otherTable) const;
@@ -124,16 +122,6 @@ public:
     QList<RelationModel *> foregionKeys() const;
     QStringList fieldsNames() const;
 
-    Q_DECL_DEPRECATED
-    static QSet<TableModel *> allModels();
-
-    Q_DECL_DEPRECATED
-    static TableModel *findByTypeId(int typeId);
-//    static TableModel *findByName(QString name);
-
-    Q_DECL_DEPRECATED
-    static TableModel *findByClassName(const QString &className);
-
     bool operator ==(const TableModel &t) const;
     bool operator !=(const TableModel &t) const;
 
@@ -143,9 +131,9 @@ private:
     int _typeId;
     QList<FieldModel*> _fields;
     QList<RelationModel*> _foreignKeys;
+
+    Q_DECL_DEPRECATED
     static QSet<TableModel*>_allModels;
-//    bool checkClassInfo(const QMetaClassInfo &classInfo,
-//                        QString &type, QString &name, QString &value);
 };
 
 NUT_END_NAMESPACE
diff --git a/src/tableset.h b/src/tableset.h
index 6442403..7748614 100644
--- a/src/tableset.h
+++ b/src/tableset.h
@@ -30,6 +30,8 @@
 #include "tablesetbase_p.h"
 #include "table.h"
 #include "bulkinserter.h"
+//#include "database.h"
+#include "databasemodel.h"
 
 NUT_BEGIN_NAMESPACE
 
@@ -37,6 +39,7 @@ template<class T>
 class Query;
 
 class BulkInserter;
+class Database;
 template<class T>
 class NUT_EXPORT TableSet : public TableSetBase
 {
@@ -96,21 +99,24 @@ Q_OUTOFLINE_TEMPLATE int TableSet<T>::length() const
 template<class T>
 Q_OUTOFLINE_TEMPLATE T *TableSet<T >::at(int i) const
 {
-    return reinterpret_cast<T*>(_tablesList.at(i));
+    return reinterpret_cast<T*>(_childRows.at(i));
 }
 
 template<class T>
 Q_OUTOFLINE_TEMPLATE const T &TableSet<T>::operator[](int i) const
 {
-    return _tablesList[i];
+    return _childRows[i];
 }
 
 template<class T>
 Q_OUTOFLINE_TEMPLATE void TableSet<T>::append(T *t)
 {
     _tables.insert(t);
-    _tablesList.append(t);
-//    rows.append(t);
+    _childRows.append(t);
+
+//    if (_database)
+//        t->setModel(_database->model().tableByClassName(t->metaObject()->className()));
+
     t->setParentTableSet(this);
     if(t->status() != Table::FeatchedFromDB)
         t->setStatus(Table::Added);
diff --git a/src/tablesetbase.cpp b/src/tablesetbase.cpp
index 210819b..9b04a7a 100644
--- a/src/tablesetbase.cpp
+++ b/src/tablesetbase.cpp
@@ -26,13 +26,13 @@
 NUT_BEGIN_NAMESPACE
 
 TableSetBase::TableSetBase(Database *parent) : QObject(parent),
-    _database(parent), _table(nullptr), _tableName(QString())
+    _database(parent), _table(nullptr)//, _tableName(QString())
 {
     parent->add(this);
 }
 
 TableSetBase::TableSetBase(Table *parent) : QObject(parent),
-    _database(nullptr), _table(parent), _tableName(QString())
+    _database(nullptr), _table(parent)//, _tableName(QString())
 {
     parent->add(this);
 }
@@ -46,9 +46,14 @@ TableSetBase::~TableSetBase()
 int TableSetBase::save(Database *db, bool cleanUp)
 {
     int rowsAffected = 0;
-    foreach (Table *t, _tablesList) {
+    TableModel *masterModel = nullptr;
+    if (_table)
+        masterModel = db->model().tableByClassName(_table->metaObject()->className());
+
+    foreach (Table *t, _childRows) {
         if(_table)
-            t->setParentTable(_table);
+            t->setParentTable(_table, masterModel,
+                              db->model().tableByClassName(t->metaObject()->className()));
 
         if(t->status() == Table::Added
                 || t->status() == Table::Modified
@@ -61,30 +66,30 @@ int TableSetBase::save(Database *db, bool cleanUp)
     }
 
     if (cleanUp)
-        _tablesList.clear();
+        _childRows.clear();
 
     return rowsAffected;
 }
 
 void TableSetBase::clearChilds()
 {
-    foreach (Table *t, _tablesList)
+    foreach (Table *t, _childRows)
         t->deleteLater();
-    _tablesList.clear();
+    _childRows.clear();
 }
 
 void TableSetBase::add(Table *t)
 {
     if(!_tables.contains(t)){
         _tables.insert(t);
-        _tablesList.append(t);
+        _childRows.append(t);
     }
 }
 
 void TableSetBase::remove(Table *t)
 {
     _tables.remove(t);
-    _tablesList.removeOne(t);
+    _childRows.removeOne(t);
 }
 
 QString TableSetBase::childClassName() const
diff --git a/src/tablesetbase_p.h b/src/tablesetbase_p.h
index 2a92abf..114f458 100644
--- a/src/tablesetbase_p.h
+++ b/src/tablesetbase_p.h
@@ -48,10 +48,10 @@ public:
 
 protected:
     QSet<Table*> _tables;
-    QList<Table*> _tablesList;
+    QList<Table*> _childRows;
     Database *_database;
     Table *_table;
-    QString _tableName;
+//    QString _tableName;
     QString _childClassName;
 
 private:
diff --git a/test/common/consts.h b/test/common/consts.h
index 9fbd0f8..5b34315 100644
--- a/test/common/consts.h
+++ b/test/common/consts.h
@@ -4,7 +4,8 @@
 #include <qsystemdetection.h>
 
 #define REGISTER(x) qDebug() << (#x) << "type id:" << qMetaTypeId<x*>()
-#define PRINT(x) qDebug() << (#x "=") << (x);
+#define PRINT(x)
+//qDebug() << (#x "=") << (x);
 #define TIC()  QElapsedTimer timer; timer.start()
 #define TOC()  qDebug() << QString("Elapsed time: %1ms for %2") \
     .arg(timer.elapsed() / 1000.) \
diff --git a/test/common/nut-lib.pri b/test/common/nut-lib.pri
index 190f49e..47b0640 100644
--- a/test/common/nut-lib.pri
+++ b/test/common/nut-lib.pri
@@ -5,6 +5,6 @@ win32 {
         LIBDIR = $$absolute_path($$OUT_PWD/../../src)
 }
 
-#LIBS += -L$$LIBDIR -lnut
+LIBS += -L$$LIBDIR -lnut
 INCLUDEPATH += $$PWD/../../src $$PWD/../common
-include(../../src/src.pri)
+#include(../../src/src.pri)