diff --git a/README.md b/README.md
index 2bea3a6..adabd9a 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 ## Features:
 
  - Easy to use
- - Support PosgtreSQL, MySQL, SQLite, Microsoft Sql Server
+ - Support PosgtreSQL, MySQL, SQLite and Microsoft Sql Server
  - Automatically create and update database
  - IDE auto complete support, No hard-code nedded
  - Table join detect 
@@ -15,9 +15,8 @@
 ### Read data from database:
 
 ```cpp
-autoq = FROM(db.posts())
-        WHERE(Post::idField() == postId);
-
+auto q = db.posts()->createQuery();
+q->setWhere(Post::idField() == postId);
 auto posts = q->toList();
 // now posts is a QList<Post*> contain all posts in
 //  database that has id equal to postId variable
@@ -43,9 +42,8 @@ db.saveChanges();
 
 ### Modify database data:
 ```cpp
-auto q = FROM(db.posts())
-        WHERE(Post::idField() == postId);
-
+auto q = db.posts()->createQuery();
+q->setWhere(Post::idField() == postId);
 Post *post = q->first();
 
 if(post) {
diff --git a/include/header_copier b/include/header_copier
index b799f01..b0394f7 100644
--- a/include/header_copier
+++ b/include/header_copier
@@ -7,6 +7,8 @@ pattern="\.\.\/src\/([a-z]+)\.h\:class\sNUT_EXPORT\s(\w+)"
 echo "" > "Nut"
 echo "" > "nut.h"
 
+mkdir -p Nut
+
 while read line; do
 	if [[ $line =~ $pattern ]]; then
 		header=${BASH_REMATCH[1]}
@@ -15,6 +17,9 @@ while read line; do
 		echo "#include \"../src/$header.h\"" > $class
 		echo "#include \"../src/$header.h\"" > "$header.h"
 		
+		#echo "#include \"../src/$header.h\"" > "Nut/$class"
+		#echo "#include \"../src/$header.h\"" > "Nut/$header.h"
+		
 		echo "#include \"../src/$header.h\"" >> "Nut"
 		echo "#include \"../src/$header.h\"" >> "nut.h"
 	fi
diff --git a/nut.pri b/nut.pri
index bd2f947..a3355e3 100644
--- a/nut.pri
+++ b/nut.pri
@@ -3,10 +3,7 @@ QT += core widgets sql
 INCLUDEPATH += $$PWD/include
 
 HEADERS += \
-    $$PWD/src/database.h \
-    $$PWD/src/table.h \
     $$PWD/src/tableset.h \
-    $$PWD/src/database_p.h \
     $$PWD/src/defines_p.h \
     $$PWD/src/defines.h \
     $$PWD/src/query.h \
@@ -21,11 +18,12 @@ HEADERS += \
     $$PWD/src/tablemodel.h \
     $$PWD/src/sqlservergenerator.h \
     $$PWD/src/wherephrase.h \
-    $$PWD/src/query_p.h
+    $$PWD/src/query_p.h \
+    $$PWD/src/table.h \
+    $$PWD/src/database.h \
+    $$PWD/src/database_p.h
 
 SOURCES += \
-    $$PWD/src/database.cpp \
-    $$PWD/src/table.cpp \
     $$PWD/src/tableset.cpp \
     $$PWD/src/query.cpp \
     $$PWD/src/databasemodel.cpp \
@@ -38,4 +36,6 @@ SOURCES += \
     $$PWD/src/sqlitegenerator.cpp \
     $$PWD/src/tablemodel.cpp \
     $$PWD/src/sqlservergenerator.cpp \
-    $$PWD/src/wherephrase.cpp
+    $$PWD/src/wherephrase.cpp \
+    $$PWD/src/table.cpp \
+    $$PWD/src/database.cpp
diff --git a/src/changelogtable.cpp b/src/changelogtable.cpp
index 1e8f9d2..b66c4df 100644
--- a/src/changelogtable.cpp
+++ b/src/changelogtable.cpp
@@ -20,7 +20,7 @@
 
 #include "changelogtable.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 ChangeLogTable::ChangeLogTable()
 {
@@ -28,4 +28,4 @@ ChangeLogTable::ChangeLogTable()
 
 }
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
diff --git a/src/changelogtable.h b/src/changelogtable.h
index 403418d..4b9f618 100644
--- a/src/changelogtable.h
+++ b/src/changelogtable.h
@@ -24,7 +24,7 @@
 #include <QtCore/qglobal.h>
 #include "table.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class ChangeLogTable : public Table
 {
@@ -43,6 +43,6 @@ public:
     ChangeLogTable();
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // CHANGELOGTABLE_H
diff --git a/src/database.cpp b/src/database.cpp
index 7612e38..b3672dd 100644
--- a/src/database.cpp
+++ b/src/database.cpp
@@ -32,7 +32,7 @@
 #include "table.h"
 #include "tableset.h"
 #include "database_p.h"
-#include "defines_p.h"
+#include "defines.h"
 #include "tablemodel.h"
 #include "postgresqlgenerator.h"
 #include "mysqlgenerator.h"
@@ -43,7 +43,11 @@
 #include <iostream>
 #include <cstdarg>
 
-QT_BEGIN_NAMESPACE
+#define __CHANGE_LOG_TABLE_NAME "__change_logs"
+
+NUT_BEGIN_NAMESPACE
+
+int DatabasePrivate::lastId = 0;
 
 DatabasePrivate::DatabasePrivate(Database *parent) : q_ptr(parent)
 {
@@ -51,8 +55,11 @@ DatabasePrivate::DatabasePrivate(Database *parent) : q_ptr(parent)
 
 bool DatabasePrivate::open()
 {
+    Q_Q(Database);
     getCurrectScheema();
 
+    connectionName = q->metaObject()->className() + QString::number(DatabasePrivate::lastId);
+
     db = QSqlDatabase::addDatabase(driver, connectionName);
     db.setHostName(hostName);
     db.setDatabaseName(databaseName);
@@ -61,8 +68,7 @@ bool DatabasePrivate::open()
     bool ok = db.open();
 
     if(!ok){
-        qWarning("Could not connect to database");
-        qWarning(db.lastError().text().toLocal8Bit().data());
+        qWarning("Could not connect to database, error = %s", db.lastError().text().toLocal8Bit().data());
 
         if(db.lastError().text().contains("database \"" + databaseName + "\" does not exist")
                 || db.lastError().text().contains("Cannot open database")
@@ -75,11 +81,11 @@ bool DatabasePrivate::open()
                 db.close();
 
                 if(db.lastError().type() != QSqlError::NoError)
-                    qWarning(db.lastError().text().prepend("Creating database error: ").toLatin1().data());
+                    qWarning("Creating database error: %s", db.lastError().text().toLatin1().data());
 
                 return open();
             }else{
-                qWarning(db.lastError().text().toLatin1().data());
+                qWarning("Unknown error detecting change logs, %s", db.lastError().text().toLatin1().data());
             }
         }
         return false;
@@ -108,11 +114,10 @@ bool DatabasePrivate::updateDatabase()
     QStringList sql = sqlGenertor->diff(last, current);
     db.transaction();
     foreach (QString s, sql){
-        qDebug() << "going to exec " << s;
         db.exec(s);
 
         if(db.lastError().type() != QSqlError::NoError)
-            qWarning(db.lastError().text().toLatin1().data());
+            qWarning("Error executing sql command, %s", db.lastError().text().toLatin1().data());
     }
     bool ok = db.commit();
 
@@ -132,26 +137,28 @@ bool DatabasePrivate::updateDatabase()
             }
         }
     }else{
-        qWarning("Unable update database");
-        qWarning(db.lastError().text().toLatin1().data());
+        qWarning("Unable update database, error = %s", db.lastError().text().toLatin1().data());
     }
 
     return ok;
 }
 
-QVariantMap DatabasePrivate::getCurrectScheema()
+void DatabasePrivate::getCurrectScheema()
 {
     Q_Q(Database);
     tables.clear();
 
     //TODO: change logs must not be in model
     int changeLogTypeId = qRegisterMetaType<ChangeLogTable*>();
-    currentModel.append(new TableModel(changeLogTypeId, "__change_logs"));
-    tables.insert("ChangeLogTable", "__change_logs");
+    currentModel.append(new TableModel(changeLogTypeId, __CHANGE_LOG_TABLE_NAME));
+    tables.insert(ChangeLogTable::staticMetaObject.className(), __CHANGE_LOG_TABLE_NAME);
+
+    changeLogs = new TableSet<ChangeLogTable>(q);
 
     for(int i = 0; i < q->metaObject()->classInfoCount(); i++){
         QMetaClassInfo ci = q->metaObject()->classInfo(i);
         QString ciName = QString(ci.name()).replace(__nut_NAME_PERFIX, "").replace("\"", "");
+
         if(ciName.startsWith(__nut_TABLE))
             tables.insert(ciName.split(" ").at(1), ci.value());
 
@@ -170,11 +177,11 @@ QVariantMap DatabasePrivate::getCurrectScheema()
         }
     }
 
-    QVariantMap databaseVariant;
     for(int i = 1; i < q->metaObject()->propertyCount(); i++){
         QMetaProperty tableProperty = q->metaObject()->property(i);
         int typeId = QMetaType::type(tableProperty.typeName());
 
+        qDebug() << tables.values().contains(tableProperty.name()) << typeId;
         if(tables.values().contains(tableProperty.name()) && typeId >= QVariant::UserType){
             TableModel *sch = new TableModel(typeId, tableProperty.name());
             currentModel.append(sch);
@@ -184,13 +191,12 @@ QVariantMap DatabasePrivate::getCurrectScheema()
     foreach (TableModel *sch, currentModel)
         foreach (RelationModel *fk, sch->foregionKeys())
             fk->table = currentModel.modelByClass(fk->className);
-
-
-    return databaseVariant;
 }
 
 DatabaseModel DatabasePrivate::getLastScheema()
 {
+    Q_Q(Database);
+//    ChangeLogTable *u = q->_change_logs()->createQuery()->orderBy("id", "desc")->first();
     ChangeLogTable *u = changeLogs->createQuery()->orderBy("id", "desc")->first();
 
     DatabaseModel ret;
@@ -206,32 +212,51 @@ DatabaseModel DatabasePrivate::getLastScheema()
         u->deleteLater();
     }
     return ret;
+
+//    QSqlQuery query = q->exec("select * from __change_logs order by id desc limit 1");
+//    DatabaseModel ret;
+//    if(query.next()){
+//        QJsonObject json = QJsonDocument::fromJson(query.value("data").toByteArray()).object();
+
+//        foreach (QString key, json.keys()) {
+//            TableModel *sch = new TableModel(json.value(key).toObject(), key);
+//            ret.append(sch);
+//        }
+//    }
+//qDebug() << "ret=" <<ret;
+//    return ret;
 }
 
 bool DatabasePrivate::storeScheemaInDB()
 {
     Q_Q(Database);
+    DatabaseModel current = currentModel;
+    /*current.remove(__CHANGE_LOG_TABLE_NAME)*/;
+
     ChangeLogTable *changeLog = new ChangeLogTable();
-    changeLog->setData(QJsonDocument(currentModel.toJson()).toJson());
-    changeLog->setVersionMajor(currentModel.versionMajor());
-    changeLog->setVersionMinor(currentModel.versionMinor());
+    changeLog->setData(QJsonDocument(current.toJson()).toJson());
+    changeLog->setVersionMajor(current.versionMajor());
+    changeLog->setVersionMinor(current.versionMinor());
     changeLogs->append(changeLog);
     q->saveChanges();
     changeLog->deleteLater();
 
     return true;
-//    QSqlQuery q(db);
-//    q.prepare("insert into __change_logs (data) values (:data)");
-//    q.bindValue(":data", QString(QJsonDocument(currentModel.toJson()).toJson()));
-//    bool ret = q.exec();
-//    if(q.lastError().type() != QSqlError::NoError)
-//        qWarning(QString("storeScheemaInDB" + q.lastError().text()).toLatin1().data());
+
+
+//    QSqlQuery query(db);
+//    query.prepare("insert into __change_logs (data) values (:data)");
+//    query.bindValue(":data", QString(QJsonDocument(currentModel.toJson()).toJson()));
+//    bool ret = query.exec();
+//    if(query.lastError().type() != QSqlError::NoError)
+//        qWarning(QString("storeScheemaInDB" + query.lastError().text()).toLatin1().data());
 //    return ret;
 }
 
 void DatabasePrivate::createChangeLogs()
 {
-    QString diff = sqlGenertor->diff(0, currentModel.model("__change_logs"));
+//    currentModel.model("change_log")
+    QString diff = sqlGenertor->diff(0, currentModel.model("__change_log"));
 
     db.exec(diff);
 }
@@ -245,7 +270,24 @@ void DatabasePrivate::createChangeLogs()
 Database::Database(QObject *parent) : QObject(parent), d_ptr(new DatabasePrivate(this))
 {
     Q_D(Database);
-    d->changeLogs = new TableSet<ChangeLogTable>(this);
+    //d->changeLogs->sett
+    DatabasePrivate::lastId++;
+//    m__change_logs = new TableSet<ChangeLogTable>(this);
+}
+
+Database::Database(const Database &other, QObject *parent) : QObject(parent), d_ptr(new DatabasePrivate(this))
+{
+    Q_D(Database);
+
+    DatabasePrivate::lastId++;
+
+    setDriver(other.driver());
+    setHostName(other.hostName());
+    setDatabaseName(other.databaseName());
+    setUserName(other.userName());
+    setPassword(other.password());
+
+//    m__change_logs = new TableSet<ChangeLogTable>(this);
 }
 
 QString Database::databaseName() const
@@ -381,14 +423,15 @@ bool Database::open()
         QStringList parts = d->databaseName.toLower().split(';');
         foreach (QString p, parts)
             if(p.trimmed().startsWith("driver="))
-                driverName = p.split('=').at(1);
+                driverName = p.split('=').at(1).toLower().trimmed();
 
         if(driverName == "{sql server}")
             d->sqlGenertor = new SqlServerGenerator(this);
+        //TODO: add ODBC driver for mysql, postgres, ...
     }
 
     if(!d->sqlGenertor){
-        qWarning(QString("Sql generator for driver " + driver() + " not found").toLatin1().data());
+        qWarning("Sql generator for driver %s not found", driver().toLatin1().constData());
         return false;
     }else{
         return d->open();
@@ -404,10 +447,10 @@ void Database::close()
 QSqlQuery Database::exec(QString sql)
 {
     Q_D(Database);
-    qDebug() <<sql;
+
     QSqlQuery q = d->db.exec(sql);
     if(d->db.lastError().type() != QSqlError::NoError)
-        qWarning(d->db.lastError().text().toLatin1().data());
+        qWarning("Error executing sql command: %s", d->db.lastError().text().toLatin1().data());
     return q;
 }
 
@@ -428,4 +471,4 @@ void Database::cleanUp()
         ts->clearChilds();
 }
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
diff --git a/src/database.h b/src/database.h
index 18de998..5d520b6 100644
--- a/src/database.h
+++ b/src/database.h
@@ -18,8 +18,8 @@
 **
 **************************************************************************/
 
-#ifndef DATABASE_H
-#define DATABASE_H
+#ifndef NUTDATABASE_H
+#define NUTDATABASE_H
 
 #include <QtCore/qglobal.h>
 #include <QtCore/QList>
@@ -28,21 +28,25 @@
 #include "defines.h"
 #include "tableset.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class DatabaseModel;
 class DatabasePrivate;
 class TableSetBase;
 class SqlGeneratorBase;
+class ChangeLogTable;
 class NUT_EXPORT Database : public QObject
 {
     Q_OBJECT
 
+//    NUT_DECLARE_TABLE(ChangeLogTable, _change_log)
+
     DatabasePrivate *d_ptr;
     Q_DECLARE_PRIVATE(Database)
 
 public:
     Database(QObject *parent = 0);
+    Database(const Database &other, QObject *parent = 0);
 
     bool open();
     void close();
@@ -82,6 +86,6 @@ private:
     QSet<TableSetBase*> tableSets;
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
-#endif // DATABASE_H
+#endif // NUTDATABASE_H
diff --git a/src/database_p.h b/src/database_p.h
index 6ce02b0..6699197 100644
--- a/src/database_p.h
+++ b/src/database_p.h
@@ -27,7 +27,7 @@
 
 #include <QDebug>
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class DatabasePrivate
 {
@@ -44,7 +44,7 @@ public:
     void createChangeLogs();
     bool storeScheemaInDB();
     DatabaseModel getLastScheema();
-    QVariantMap getCurrectScheema();
+    void getCurrectScheema();
 
     QSqlDatabase db;
 
@@ -62,8 +62,10 @@ public:
     DatabaseModel currentModel;
 
     TableSet<ChangeLogTable> *changeLogs;
+
+    static int lastId;
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // DATABASE_P_H
diff --git a/src/databasemodel.cpp b/src/databasemodel.cpp
index 738d6b1..44e74e1 100644
--- a/src/databasemodel.cpp
+++ b/src/databasemodel.cpp
@@ -23,17 +23,23 @@
 
 #include <QJsonObject>
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 DatabaseModel::DatabaseModel() : QList<TableModel*>(), _versionMajor(0), _versionMinor(0)
 {
 
 }
 
+DatabaseModel::DatabaseModel(const DatabaseModel &other) : QList<TableModel*>(other), _versionMajor(0), _versionMinor(0)
+{
+
+}
+
 TableModel *DatabaseModel::model(QString tableName) const
 {
     for(int i = 0; i < size(); i++){
         TableModel *s = at(i);
+
         if(s->name() == tableName)
             return s;
     }
@@ -149,4 +155,16 @@ void DatabaseModel::setVersionMinor(int versionMinor)
     _versionMinor = versionMinor;
 }
 
-QT_END_NAMESPACE
+bool DatabaseModel::remove(QString tableName)
+{
+    for(int i = 0; i < size(); i++){
+        TableModel *s = at(i);
+        if(s->name() == tableName){
+            removeAt(i);
+            return true;
+        }
+    }
+    return false;
+}
+
+NUT_END_NAMESPACE
diff --git a/src/databasemodel.h b/src/databasemodel.h
index dd49512..27a36d7 100644
--- a/src/databasemodel.h
+++ b/src/databasemodel.h
@@ -22,17 +22,20 @@
 #define DATABASEMODEL_H
 
 #include <QtCore/QList>
+#include"defines.h"
 
-QT_BEGIN_NAMESPACE
+class QJsonObject;
+
+NUT_BEGIN_NAMESPACE
 
 class TableModel;
 struct RelationModel;
-class QJsonObject;
 class DatabaseModel : public QList<TableModel*>
 {
     int _versionMajor, _versionMinor;
 public:
     DatabaseModel();
+    DatabaseModel(const DatabaseModel &other);
 
     TableModel *model(QString tableName) const;
     TableModel *modelByClass(QString className) const;
@@ -50,8 +53,10 @@ public:
 
     int versionMinor() const;
     void setVersionMinor(int versionMinor);
+
+    bool remove(QString tableName);
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // DATABASEMODEL_H
diff --git a/src/defines.h b/src/defines.h
index d7bd16b..e7910e0 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -21,10 +21,11 @@
 #ifndef SYNTAX_DEFINES_H
 #define SYNTAX_DEFINES_H
 
-#include "qglobal.h"
-#include "defines_p.h"
+#define NUT_NAMESPACE Nut
+
+#include "defines_p.h"
+#include "qglobal.h"
 
-#define QT_NAMESPACE Nut
 
 #ifdef NUT_COMPILE_STATIC
 #   define NUT_EXPORT
@@ -32,19 +33,26 @@
 #   define NUT_EXPORT Q_DECL_EXPORT
 #endif
 
+
+#ifdef NUT_NAMESPACE
+#   define __NUT_NAMESPACE_PERFIX NUT_NAMESPACE::
+#else
+#   define __NUT_NAMESPACE_PERFIX
+#endif
+
 // Database
 #define NUT_DB_VERSION(major, minor) Q_CLASSINFO(QT_STRINGIFY(__nut_NAME_PERFIX __nut_DB_VERSION), QT_STRINGIFY(#major "." #minor))
 
 #define NUT_DECLARE_TABLE(type, name)                                       \
     Q_CLASSINFO(QT_STRINGIFY(__nut_NAME_PERFIX __nut_TABLE " "  #type), #name)                              \
     Q_PROPERTY(type* name READ name)                                        \
-    Q_PROPERTY(TableSet<type> name##s READ name##s)                         \
+    Q_PROPERTY(__NUT_NAMESPACE_PERFIX TableSet<type> name##s READ name##s)                         \
     type* m_##name;                                                         \
-    TableSet<type> *m_##name##s;                                            \
+    __NUT_NAMESPACE_PERFIX TableSet<type> *m_##name##s;                                            \
 public:                                                                     \
     static const type _##name;                                              \
     type* name() const{ return m_##name; }                                  \
-    TableSet<type> *name##s() const { return m_##name##s; }
+    __NUT_NAMESPACE_PERFIX TableSet<type> *name##s() const { return m_##name##s; }
 
 //Table
 #define NUT_DECLARE_FIELD(type, name, read, write)                          \
@@ -52,8 +60,8 @@ public:                                                                     \
     Q_CLASSINFO(QT_STRINGIFY(__nut_NAME_PERFIX #name " " __nut_FIELD), #name)             \
     type m_##name;                                                          \
 public:                                                                     \
-    static FieldPhrase name##Field(){                                       \
-        static FieldPhrase f = FieldPhrase(staticMetaObject.className(), #name);                          \
+    static __NUT_NAMESPACE_PERFIX FieldPhrase name##Field(){                                       \
+        static __NUT_NAMESPACE_PERFIX FieldPhrase f = __NUT_NAMESPACE_PERFIX FieldPhrase(staticMetaObject.className(), #name);                          \
         return f;                                                           \
     }                                                                       \
     type read() const{                                                      \
@@ -77,13 +85,13 @@ public:                                                                     \
 
 #define NUT_DECLARE_CHILD_TABLE(type, n)                                    \
     private:                                                                \
-        TableSet<type> *m_##n;                                              \
+        __NUT_NAMESPACE_PERFIX TableSet<type> *m_##n;                                              \
     public:                                                                 \
-        static type *n##Table(){                                             \
+        static type *n##Table(){                                            \
             static type *f = new type();                                    \
-            return f;                                                      \
+            return f;                                                       \
         }                                                                   \
-        TableSet<type> *n(){                                                \
+        __NUT_NAMESPACE_PERFIX TableSet<type> *n(){                                                \
             return m_##n;                                                   \
         }
 
diff --git a/src/defines_p.h b/src/defines_p.h
index 9a74f26..425d02c 100644
--- a/src/defines_p.h
+++ b/src/defines_p.h
@@ -43,4 +43,12 @@
 #define __nut_REMOVE            "remove"
 #define __nut_CHANGE            "change"
 
+#ifdef NUT_NAMESPACE
+#   define NUT_BEGIN_NAMESPACE     namespace NUT_NAMESPACE{
+#   define NUT_END_NAMESPACE       }
+#else
+#   define NUT_BEGIN_NAMESPACE
+#   define NUT_END_NAMESPACE
+#endif
+
 #endif // DEFINES_P_H
diff --git a/src/mysqlgenerator.cpp b/src/mysqlgenerator.cpp
index 374612d..1c6838a 100644
--- a/src/mysqlgenerator.cpp
+++ b/src/mysqlgenerator.cpp
@@ -21,7 +21,7 @@
 #include "mysqlgenerator.h"
 #include "tablemodel.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 MySqlGenerator::MySqlGenerator(Database *parent) : SqlGeneratorBase(parent)
 {
@@ -72,4 +72,4 @@ QString MySqlGenerator::fieldType(FieldModel *field)
     return dbType;
 }
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
diff --git a/src/mysqlgenerator.h b/src/mysqlgenerator.h
index 36e6c50..db53459 100644
--- a/src/mysqlgenerator.h
+++ b/src/mysqlgenerator.h
@@ -24,7 +24,7 @@
 #include <QtCore/qglobal.h>
 #include "sqlgeneratorbase_p.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class MySqlGenerator : public SqlGeneratorBase
 {
@@ -35,6 +35,6 @@ public:
 
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // MYSQLGENERATOR_H
diff --git a/src/postgresqlgenerator.cpp b/src/postgresqlgenerator.cpp
index 904d7a4..598a406 100644
--- a/src/postgresqlgenerator.cpp
+++ b/src/postgresqlgenerator.cpp
@@ -22,7 +22,7 @@
 #include "table.h"
 #include "tablemodel.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 PostgreSqlGenerator::PostgreSqlGenerator(Database *parent) : SqlGeneratorBase (parent)
 {
@@ -93,4 +93,4 @@ QString PostgreSqlGenerator::diff(FieldModel *oldField, FieldModel *newField)
 }
 
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
diff --git a/src/postgresqlgenerator.h b/src/postgresqlgenerator.h
index 26c2720..903cca8 100644
--- a/src/postgresqlgenerator.h
+++ b/src/postgresqlgenerator.h
@@ -24,7 +24,7 @@
 #include <QtCore/qglobal.h>
 #include "sqlgeneratorbase_p.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class PostgreSqlGenerator : public SqlGeneratorBase
 {
@@ -36,6 +36,6 @@ public:
     QString diff(FieldModel *oldField, FieldModel *newField);
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // POSTGRESQLGENERATOR_H
diff --git a/src/query.cpp b/src/query.cpp
index 512f164..0871935 100644
--- a/src/query.cpp
+++ b/src/query.cpp
@@ -20,7 +20,7 @@
 
 #include "query.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 QueryPrivate::QueryPrivate(QueryBase *parent) : q_ptr(parent),
      joinClassName(QString::null)
@@ -85,4 +85,4 @@ QueryPrivate::QueryPrivate(QueryBase *parent) : q_ptr(parent),
  * \endcode
  */
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
diff --git a/src/query.h b/src/query.h
index 029f675..1c06431 100644
--- a/src/query.h
+++ b/src/query.h
@@ -33,8 +33,9 @@
 #include "sqlgeneratorbase_p.h"
 #include "querybase_p.h"
 #include "wherephrase.h"
+#include "tablemodel.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 template<class T>
 class NUT_EXPORT Query : public QueryBase
@@ -44,6 +45,7 @@ class NUT_EXPORT Query : public QueryBase
 
 public:
     Query(Database *database, TableSetBase *tableSet);
+
     ~Query();
 
     QList<T *> toList(int count = -1);
@@ -72,6 +74,11 @@ public:
     Query<T> *orderBy(WherePhrase phrase);
 };
 
+template <typename T>
+inline Query<T> *createQuery(TableSet<T> *tableSet){
+
+}
+
 template<class T>
 Q_OUTOFLINE_TEMPLATE Query<T>::Query(Database *database, TableSetBase *tableSet) : QueryBase(database),
     d_ptr(new QueryPrivate(this))
@@ -80,13 +87,13 @@ Q_OUTOFLINE_TEMPLATE Query<T>::Query(Database *database, TableSetBase *tableSet)
 
     d->database = database;
     d->tableSet = tableSet;
-    d->tableName = d->database->tableName(T::staticMetaObject.className());
+    d->tableName = TableModel::findByClassName(T::staticMetaObject.className())->name();
+                //d->database->tableName(T::staticMetaObject.className());
 }
 
 template<class T>
 Q_OUTOFLINE_TEMPLATE Query<T>::~Query()
 {
-    qDebug() << "Query::~Query()";
     Q_D(Query);
     delete d;
 }
@@ -107,7 +114,7 @@ Q_OUTOFLINE_TEMPLATE QList<T *> Query<T>::toList(int count)
                                         d->tableName,
                                         d->joinClassName));
 
-    QString pk =d->database->model().model(d->tableName)->primaryKey();
+    QString pk = d->database->model().model(d->tableName)->primaryKey();
     QVariant lastPkValue = QVariant();
     int childTypeId = 0;
     T *lastRow = 0;
@@ -149,7 +156,7 @@ Q_OUTOFLINE_TEMPLATE QList<T *> Query<T>::toList(int count)
 
             foreach (QString field, childFields)
                 childTable->setProperty(field.toLatin1().data(), q.value(field));
-
+//TODO: set database for table
             childTable->setParent(this);
             childTable->setParentTable(lastRow);
             childTable->setStatus(Table::FeatchedFromDB);
@@ -256,6 +263,6 @@ Q_OUTOFLINE_TEMPLATE Query<T> *Query<T>::orderBy(WherePhrase phrase)
     return this;
 }
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // QUERY_H
diff --git a/src/query_p.h b/src/query_p.h
index 3c01804..c4e63aa 100644
--- a/src/query_p.h
+++ b/src/query_p.h
@@ -26,6 +26,8 @@
 #include <QList>
 #include <QString>
 
+NUT_BEGIN_NAMESPACE
+
 class Database;
 class TableSetBase;
 //template<class T>
@@ -46,4 +48,6 @@ public:
     QList<WherePhrase> orderPhrases;
 };
 
+NUT_END_NAMESPACE
+
 #endif // QUERY_P_H
diff --git a/src/querybase.cpp b/src/querybase.cpp
index 66f0a8e..56f93d0 100644
--- a/src/querybase.cpp
+++ b/src/querybase.cpp
@@ -1,6 +1,10 @@
 #include "querybase_p.h"
 
+NUT_BEGIN_NAMESPACE
+
 QueryBase::QueryBase(QObject *parent) : QObject(parent)
 {
 
 }
+
+NUT_END_NAMESPACE
diff --git a/src/querybase_p.h b/src/querybase_p.h
index dc78ffb..762a928 100644
--- a/src/querybase_p.h
+++ b/src/querybase_p.h
@@ -3,6 +3,9 @@
 
 #include <QtCore/QObject>
 #include <QtCore/qglobal.h>
+#include "defines.h"
+
+NUT_BEGIN_NAMESPACE
 
 class QueryBase : public QObject
 {
@@ -15,4 +18,6 @@ signals:
 public slots:
 };
 
+NUT_END_NAMESPACE
+
 #endif // QUERYBASE_H
diff --git a/src/sqlgeneratorbase.cpp b/src/sqlgeneratorbase.cpp
index e790775..05473fe 100644
--- a/src/sqlgeneratorbase.cpp
+++ b/src/sqlgeneratorbase.cpp
@@ -30,7 +30,7 @@
 #include "tablemodel.h"
 #include "wherephrase.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 SqlGeneratorBase::SqlGeneratorBase(Database *parent) : QObject((QObject*)parent)
 {
@@ -305,7 +305,6 @@ QString SqlGeneratorBase::selectCommand(SqlGeneratorBase::AgregateType t, QStrin
     for(int i = 0; i < _database->model().count(); i++)
         sql = sql.replace(_database->model().at(i)->className() + "." , _database->model().at(i)->name() + ".");
 
-    qDebug() << "new sql" << sql;
     return sql;
 }
 
@@ -328,7 +327,6 @@ QString SqlGeneratorBase::createWhere(QList<WherePhrase> &wheres)
 
         whereText.append(phrase(w.data()));
     }
-qDebug() << "WHWRE="<< whereText;
 //    if(whereText != "")
 //        whereText.prepend(" WHERE ");
 
@@ -358,11 +356,10 @@ QString SqlGeneratorBase::selectCommand(QString selectPhrase, QList<WherePhrase>
                     .arg(rel->localColumn);
             orderby.append(tableName + "." + pk);
         }else{
-            qWarning(QString("Relation between table %1 and class %2 (%3) not exists!")
-                     .arg(tableName)
-                     .arg(joinClassName)
-                     .arg(joinTableName.isNull() ? "NULL" : joinTableName)
-                     .toLatin1().data());
+            qWarning("Relation between table %s and class %s (%s) not exists!",
+                     qPrintable(tableName),
+                     qPrintable(joinClassName),
+                     qPrintable(joinTableName.isNull() ? "NULL" : joinTableName));
             joinClassName = QString::null;
         }
     }
@@ -385,9 +382,7 @@ QString SqlGeneratorBase::selectCommand(QString selectPhrase, QList<WherePhrase>
     for(int i = 0; i < _database->model().count(); i++)
         command = command.replace(_database->model().at(i)->className() + "." , _database->model().at(i)->name() + ".");
 
-    qDebug() << command;
     return command;
-
 }
 
 QString SqlGeneratorBase::deleteCommand(QList<WherePhrase> &wheres, QString tableName)
@@ -406,6 +401,10 @@ QString SqlGeneratorBase::deleteCommand(QList<WherePhrase> &wheres, QString tabl
 QString SqlGeneratorBase::escapeValue(const QVariant &v)const
 {
     switch (v.type()) {
+    case QVariant::Bool:
+        return v.toBool() ? "1" : "0";
+        break;
+
     case QVariant::Int:
     case QVariant::UInt:
     case QVariant::ULongLong:
@@ -470,7 +469,6 @@ QString SqlGeneratorBase::phrase(const PhraseData *d) const
 {
     QString ret = "";
 
-    qDebug() << "type"<<d->type;
     switch(d->type){
     case PhraseData::Field:
         ret = d->text;
@@ -555,4 +553,4 @@ QString SqlGeneratorBase::operatorString(const PhraseData::Condition &cond) cons
 }
 
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
diff --git a/src/sqlgeneratorbase_p.h b/src/sqlgeneratorbase_p.h
index 06102b2..c309c9d 100644
--- a/src/sqlgeneratorbase_p.h
+++ b/src/sqlgeneratorbase_p.h
@@ -26,7 +26,7 @@
 #include <QtCore/QStringList>
 #include "wherephrase.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class Table;
 struct FieldModel;
@@ -98,6 +98,6 @@ private:
     QString phraseOrder(const PhraseData *d) const;
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // SQLGENERATORBASE_H
diff --git a/src/sqlitegenerator.cpp b/src/sqlitegenerator.cpp
index 835ca07..744bb27 100644
--- a/src/sqlitegenerator.cpp
+++ b/src/sqlitegenerator.cpp
@@ -22,6 +22,8 @@
 #include "table.h"
 #include "tablemodel.h"
 
+NUT_BEGIN_NAMESPACE
+
 SqliteGenerator::SqliteGenerator(Database *parent) : SqlGeneratorBase(parent)
 {
 
@@ -69,3 +71,5 @@ QString SqliteGenerator::fieldType(FieldModel *field)
 
     return dbType;
 }
+
+NUT_END_NAMESPACE
diff --git a/src/sqlitegenerator.h b/src/sqlitegenerator.h
index 589c3ba..d607e0e 100644
--- a/src/sqlitegenerator.h
+++ b/src/sqlitegenerator.h
@@ -24,6 +24,8 @@
 #include <QtCore/qglobal.h>
 #include "sqlgeneratorbase_p.h"
 
+NUT_BEGIN_NAMESPACE
+
 class SqliteGenerator : public SqlGeneratorBase
 {
 public:
@@ -32,4 +34,6 @@ public:
     QString fieldType(FieldModel *field);
 };
 
+NUT_END_NAMESPACE
+
 #endif // SQLITEGENERATOR_H
diff --git a/src/sqlservergenerator.cpp b/src/sqlservergenerator.cpp
index 77bc8d1..8d05180 100644
--- a/src/sqlservergenerator.cpp
+++ b/src/sqlservergenerator.cpp
@@ -24,7 +24,7 @@
 
 #include <QRegularExpression>
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 SqlServerGenerator::SqlServerGenerator(Database *parent) : SqlGeneratorBase(parent)
 {
@@ -110,4 +110,4 @@ QString SqlServerGenerator::escapeValue(const QVariant &v) const
         return SqlGeneratorBase::escapeValue(v);
 }
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
diff --git a/src/sqlservergenerator.h b/src/sqlservergenerator.h
index 71a6825..8dedd27 100644
--- a/src/sqlservergenerator.h
+++ b/src/sqlservergenerator.h
@@ -24,7 +24,7 @@
 #include <QtCore/qglobal.h>
 #include "sqlgeneratorbase_p.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class SqlServerGenerator : public SqlGeneratorBase
 {
@@ -39,6 +39,6 @@ public:
     QString escapeValue(const QVariant &v) const;
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // SQLSERVERGENERATOR_H
diff --git a/src/table.cpp b/src/table.cpp
index 67e1bcc..2825e62 100644
--- a/src/table.cpp
+++ b/src/table.cpp
@@ -24,7 +24,7 @@
 #include "database.h"
 #include "sqlgeneratorbase_p.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 Table::Table(QObject *parent) : QObject(parent)
 {
@@ -62,12 +62,12 @@ QString Table::primaryKey() const
 //    }
 
 //    return ret;
-    return TableModel::model(metaObject()->className())->primaryKey();
+    return TableModel::findByClassName(metaObject()->className())->primaryKey();
 }
 
 bool Table::isPrimaryKeyAutoIncrement() const
 {
-    return TableModel::model(metaObject()->className())->field(primaryKey())->isAutoIncrement;
+    return TableModel::findByClassName(metaObject()->className())->field(primaryKey())->isAutoIncrement;
 }
 
 
@@ -143,4 +143,4 @@ void Table::setStatus(const Status &status)
     _status = status;
 }
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
diff --git a/src/table.h b/src/table.h
index 7c49bd2..3df4ee5 100644
--- a/src/table.h
+++ b/src/table.h
@@ -29,7 +29,7 @@
 #include "defines.h"
 #include "wherephrase.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class Database;
 class TableSetBase;
@@ -81,6 +81,6 @@ private:
     friend class Query;
 };
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // TABLE_H
diff --git a/src/tablemodel.cpp b/src/tablemodel.cpp
index d92093d..25e291c 100644
--- a/src/tablemodel.cpp
+++ b/src/tablemodel.cpp
@@ -26,8 +26,9 @@
 #include <QJsonObject>
 
 #include "tablemodel.h"
-#include "defines_p.h"
+#include "defines.h"
 
+NUT_BEGIN_NAMESPACE
 
 QSet<TableModel*> TableModel::_allModels;
 //QMap<int, TableScheema*> TableScheema::scheemas;
@@ -107,9 +108,10 @@ TableModel *TableModel::findByName(QString name)
 
 TableModel *TableModel::findByClassName(QString className)
 {
-    foreach (TableModel *model, _allModels)
+    foreach (TableModel *model, _allModels){
         if(model->className() == className)
             return model;
+    }
     return 0;
 }
 
@@ -145,6 +147,12 @@ TableModel::TableModel(int typeId, QString tableName)
     _name = tableName;
     _className = tableMetaObject->className();
 
+    qDebug() << "New model"<< _className << tableName;
+//#ifdef NUT_NAMESPACE
+//    if(_className.startsWith(QT_STRINGIFY(NUT_NAMESPACE) "::"))
+//        _className = _className.replace(QT_STRINGIFY(NUT_NAMESPACE) "::", "");
+//#endif
+
     // get fields names
     for(int j = 0; j < tableMetaObject->classInfoCount(); j++){
         QString name = tableMetaObject->classInfo(j).name();
@@ -223,6 +231,7 @@ TableModel::TableModel(int typeId, QString tableName)
     }
 
     _allModels.insert(this);
+    qDebug() << "all models"<<_allModels;
 }
 
 /*
@@ -269,6 +278,8 @@ TableModel::TableModel(QJsonObject json, QString tableName)
     if(json.keys().contains(__nut_PRIMARY_KEY))
         field(json.value(__nut_PRIMARY_KEY).toString())->isAutoIncrement = true;
 
+    _allModels.insert(this);
+
 }
 
 QJsonObject TableModel::toJson() const
@@ -279,7 +290,7 @@ QJsonObject TableModel::toJson() const
     foreach (FieldModel *f, _fields) {
         QJsonObject fieldObj;
         fieldObj.insert(__NAME, f->name);
-        fieldObj.insert(__TYPE, QVariant::typeToName(f->type));
+        fieldObj.insert(__TYPE, QString(QVariant::typeToName(f->type)));
 
         if(f->length)
             fieldObj.insert(__nut_LEN, f->length);
@@ -319,13 +330,20 @@ QJsonObject TableModel::toJson() const
 //    }
 //}
 
-TableModel *TableModel::model(QString className)
-{
-    foreach (TableModel *s, _allModels)
-        if(s->_className == className)
-            return s;
-    return 0;
-}
+//TableModel *TableModel::model(QString className)
+//{
+//    qFatal("");
+//#ifdef NUT_NAMESPACE
+//    if(className.startsWith(QT_STRINGIFY(NUT_NAMESPACE) "::"))
+//        className = className.replace(QT_STRINGIFY(NUT_NAMESPACE) "::", "");
+//#endif
+
+//    foreach (TableModel *s, _allModels)
+//        if(s->_className == className){
+//            return s;
+//        }
+//    return 0;
+//}
 
 RelationModel *TableModel::foregionKey(QString otherTable) const
 {
@@ -355,3 +373,5 @@ QString TableModel::primaryKey() const
             return f->name;
     return QString::null;
 }
+
+NUT_END_NAMESPACE
diff --git a/src/tablemodel.h b/src/tablemodel.h
index 828ee2f..3ae341c 100644
--- a/src/tablemodel.h
+++ b/src/tablemodel.h
@@ -23,9 +23,13 @@
 
 #include <QtCore/QVariant>
 #include <QDebug>
-class QJsonObject;
-class TableModel;
+#include "defines.h"
 
+class QJsonObject;
+
+NUT_BEGIN_NAMESPACE
+
+class TableModel;
 struct FieldModel{
     FieldModel() : name(QString::null), length(0), defaultValue(QString::null),
         notNull(false), isPrimaryKey(false), isAutoIncrement(false), isUnique(false)
@@ -44,7 +48,7 @@ struct FieldModel{
 
     bool operator ==(const FieldModel &f) const{
 
-        bool b = name == f.name
+        bool b = name.toLower() == f.name.toLower()
                 && type == f.type
                 && length == f.length
                 && defaultValue == f.defaultValue
@@ -75,7 +79,7 @@ public:
 
 //    static TableScheema *registerTable(int typeId, QString tableName);
 //    static void createForegionKeys();
-    static TableModel* model(QString className);
+//    static TableModel* model(QString className);
 
     FieldModel *field(QString name) const;
     RelationModel *foregionKey(QString otherTable) const;
@@ -112,4 +116,6 @@ private:
     static QSet<TableModel*>_allModels;
 };
 
+NUT_END_NAMESPACE
+
 #endif // TABLESCHEEMA_H
diff --git a/src/tableset.h b/src/tableset.h
index d128ef1..7b9c919 100644
--- a/src/tableset.h
+++ b/src/tableset.h
@@ -27,10 +27,10 @@
 #include <QtSql/QSqlQuery>
 
 #include "tablesetbase_p.h"
-#include "database.h"
+//#include "database.h"
 #include "table.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 template<class T>
 class Query;
@@ -125,6 +125,6 @@ Q_OUTOFLINE_TEMPLATE void TableSet<T>::remove(QList<T *> t)
         remove(i);
 }
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // TABLESET_H
diff --git a/src/tablesetbase.cpp b/src/tablesetbase.cpp
index a9d0c9f..b29a40b 100644
--- a/src/tablesetbase.cpp
+++ b/src/tablesetbase.cpp
@@ -23,6 +23,8 @@
 #include "tablesetbase_p.h"
 #include "databasemodel.h"
 
+NUT_BEGIN_NAMESPACE
+
 TableSetBase::TableSetBase(Database *parent) : QObject(parent), _database(parent), _table(0)
 {
     parent->add(this);
@@ -75,3 +77,5 @@ void TableSetBase::setDatabase(Database *database)
 {
     _database = database;
 }
+
+NUT_END_NAMESPACE
diff --git a/src/tablesetbase_p.h b/src/tablesetbase_p.h
index 088777e..307e0e0 100644
--- a/src/tablesetbase_p.h
+++ b/src/tablesetbase_p.h
@@ -27,6 +27,8 @@
 
 #include "defines.h"
 
+NUT_BEGIN_NAMESPACE
+
 class Table;
 class Database;
 class TableSetBase : public QObject
@@ -53,4 +55,6 @@ protected:
     QString _childClassName;
 };
 
+NUT_END_NAMESPACE
+
 #endif // TABLESETBASE_H
diff --git a/src/wherephrase.cpp b/src/wherephrase.cpp
index ef08143..38ee2a7 100644
--- a/src/wherephrase.cpp
+++ b/src/wherephrase.cpp
@@ -23,41 +23,42 @@
 
 #include "wherephrase.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 PhraseData::PhraseData(const char *className, const char *s){
     text = QString(className) + "." + s;
     type = Field;
-    qDebug() << "(" << this << ")" << "Data type 0";
+    operatorCond = NotAssign;
+//    qDebug() << "(" << this << ")" << "Data type 0";
 }
 
 PhraseData::PhraseData(PhraseData *l, PhraseData::Condition o) : left(l){
     operatorCond = o;
     type = WithoutOperand;
-    qDebug() << "(" << this << ")" << "Data type 1";
+//    qDebug() << "(" << this << ")" << "Data type 1";
 }
 
 PhraseData::PhraseData(PhraseData *l, PhraseData::Condition o, const PhraseData *r) : left(l), right(r){
     operatorCond = o;
     type = WithOther;
-    qDebug() << "(" << this << ")" << "Data type 2";
+//    qDebug() << "(" << this << ")" << "Data type 2";
 }
 
 PhraseData::PhraseData(PhraseData *l, PhraseData::Condition o, QVariant r) : left(l), operand(r){
     operatorCond = o;
     type = WithVariant;
-    qDebug() << "(" << this << ")" << "Data type 1";
+//    qDebug() << "(" << this << ")" << "Data type 1";
 }
 
 PhraseData::~PhraseData(){
-    qDebug() << "(" << this << ")" << "Data Deleting..." << type;
+//    qDebug() << "(" << this << ")" << "Data Deleting..." << type;
     if(type == WithOther){
-        qDebug() << "   - Other" << left << right;
+//        qDebug() << "   - Other" << left << right;
         delete left;
         delete right;
     }
     if(type == WithVariant){
-        qDebug() << "   - Variant" << left;
+//        qDebug() << "   - Variant" << left;
         if(left)
             delete left;
     }
@@ -70,7 +71,7 @@ PhraseData *WherePhrase::data() const
 
 WherePhrase::WherePhrase(const char *className, const char *s)
 {
-    qDebug() << "(" << this << ")" << "class ctor" << className << s;
+//    qDebug() << "(" << this << ")" << "class ctor" << className << s;
     _data = new PhraseData(className, s);
 }
 
@@ -78,7 +79,7 @@ WherePhrase::WherePhrase(const WherePhrase &l)
 {
     _data = l._data;
     //    l._data = 0;
-    qDebug() << "(" << this << ")" << "Copy ctor, from" <<  _data << (&l);
+//    qDebug() << "(" << this << ")" << "Copy ctor, from" <<  _data << (&l);
     _dataPointer = QSharedPointer<PhraseData>(l._dataPointer);
 }
 
@@ -86,7 +87,7 @@ WherePhrase::WherePhrase(WherePhrase *l)
 {
     _data = l->_data;
 
-    qDebug() << "(" << this << ")" << "From pointer" << _data;
+//    qDebug() << "(" << this << ")" << "From pointer" << _data;
 //    _dataPointer = QSharedPointer<PhraseData>(_data);
     l->_data = 0;
     l->_dataPointer.reset(0);
@@ -97,7 +98,7 @@ WherePhrase::WherePhrase(WherePhrase *l, PhraseData::Condition o)
     _data = new PhraseData(l->_data, o);
 //    _dataPointer = QSharedPointer<PhraseData>(_data);
     l->_data = 0;
-    qDebug() << "(" << this << ")" << "From cond, " << _data << o;
+//    qDebug() << "(" << this << ")" << "From cond, " << _data << o;
     l->_dataPointer.reset(0);
 }
 
@@ -109,7 +110,7 @@ WherePhrase::WherePhrase(WherePhrase *l, PhraseData::Condition o, WherePhrase *r
     l->_data = 0;
     r->_data = 0;
 
-    qDebug() << "(" << this << ")" <<  "From two pointer" << _data;
+//    qDebug() << "(" << this << ")" <<  "From two pointer" << _data;
     l->_dataPointer.reset(0);
     r->_dataPointer.reset(0);
 }
@@ -120,13 +121,13 @@ WherePhrase::WherePhrase(WherePhrase *l, PhraseData::Condition o, QVariant r)
 //    _dataPointer = QSharedPointer<PhraseData>(_data);
     l->_data = 0;
 
-    qDebug() << "(" << this << ")" << "From variant," << _data << l << r;
+//    qDebug() << "(" << this << ")" << "From variant," << _data << l << r;
     l->_dataPointer.reset(0);
 }
 
 WherePhrase::~WherePhrase()
 {
-    qDebug() << "(" << this << ")" << "Dtor" << _data << _dataPointer.data();
+//    qDebug() << "(" << this << ")" << "Dtor" << _data << _dataPointer.data();
     //    if(_data){
     //        delete _data;
     //        qDebug() << "deleted";
@@ -200,7 +201,6 @@ WherePhrase WherePhrase::operator ||(const WherePhrase &other)
 
 WherePhrase WherePhrase::operator &(const WherePhrase &other)
 {
-    qDebug() << "append" << this << (&other);
     return WherePhrase(this, PhraseData::Append, (WherePhrase*)&other);
 }
 
@@ -246,7 +246,7 @@ WherePhrase WherePhrase::operator >=(const QVariant &other)
 
 FieldPhrase::FieldPhrase(const char *className, const char *s) : WherePhrase(className, s)
 {
-    qDebug() << "(" << this << ")" << "FieldPhrase ctor" << className << s;
+//    qDebug() << "(" << this << ")" << "FieldPhrase ctor" << className << s;
 }
 
 WherePhrase FieldPhrase::operator =(const QVariant &other)
@@ -273,6 +273,6 @@ WherePhrase FieldPhrase::like(QString pattern)
     return WherePhrase(this, PhraseData::Like, pattern);
 }
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 
diff --git a/src/wherephrase.h b/src/wherephrase.h
index d767c9f..48a14ca 100644
--- a/src/wherephrase.h
+++ b/src/wherephrase.h
@@ -28,8 +28,9 @@
 #include <QDateTime>
 #include <QTime>
 #include <QSharedPointer>
+#include "defines.h"
 
-QT_BEGIN_NAMESPACE
+NUT_BEGIN_NAMESPACE
 
 class SqlGeneratorBase;
 class PhraseData{
@@ -155,6 +156,6 @@ public:
 
 //};
 
-QT_END_NAMESPACE
+NUT_END_NAMESPACE
 
 #endif // PHRASE_H
diff --git a/test/basic/maintest.cpp b/test/basic/maintest.cpp
index 281147c..8c3e173 100644
--- a/test/basic/maintest.cpp
+++ b/test/basic/maintest.cpp
@@ -34,10 +34,10 @@ void MainTest::initTestCase()
 
     QTEST_ASSERT(ok);
 
-    FROM(db.comments())
-            DELETE();
-    FROM(db.posts())
-            DELETE();
+//    FROM(db.comments())
+//            DELETE();
+//    FROM(db.posts())
+//            DELETE();
 }
 
 void MainTest::dataScheema()
@@ -128,6 +128,15 @@ void MainTest::selectPostsWithoutTitle()
     QTEST_ASSERT(count == 0);
 }
 
+void MainTest::selectComments()
+{
+    auto comments = FROM(post->comments())
+            SELECT();
+
+    qDebug() << "comments count"<<comments.count();
+//    QTEST_ASSERT(comments.count());
+}
+
 void MainTest::testDate()
 {
     QDateTime d = QDateTime::currentDateTime();
@@ -146,7 +155,6 @@ void MainTest::testDate()
             WHERE(Post::idField() == newPost->id())
             FIRST();
 
-    qDebug() << d << q->saveDate();
     QTEST_ASSERT(q->saveDate() == d);
 }
 
diff --git a/test/basic/maintest.h b/test/basic/maintest.h
index edcee0e..9dcd20d 100644
--- a/test/basic/maintest.h
+++ b/test/basic/maintest.h
@@ -25,6 +25,7 @@ private slots:
     void createPost2();
     void selectPosts();
     void selectPostsWithoutTitle();
+    void selectComments();
     void testDate();
     void selectWithInvalidRelation();
     void select10NewstPosts();
diff --git a/test/common/comment.h b/test/common/comment.h
index 5899fb6..4869c35 100644
--- a/test/common/comment.h
+++ b/test/common/comment.h
@@ -5,6 +5,10 @@
 #include <QtCore/QDateTime>
 #include "table.h"
 
+#ifdef NUT_NAMESPACE
+using namespace NUT_NAMESPACE;
+#endif
+
 class Post;
 class Comment : public Table
 {
diff --git a/test/common/consts.h b/test/common/consts.h
index 41c8154..96cb683 100644
--- a/test/common/consts.h
+++ b/test/common/consts.h
@@ -1,22 +1,22 @@
 #ifndef CONSTS_H
 #define CONSTS_H
 
-//#define DRIVER "QPSQL"
-//#define HOST "127.0.0.1"
-//#define DATABASE "nutdb3"
-//#define USERNAME "postgres"
-//#define PASSWORD "856856"
-
-#define DRIVER "QMYSQL"
+#define DRIVER "QPSQL"
 #define HOST "127.0.0.1"
-#define DATABASE "nutdb"
-#define USERNAME "root"
-#define PASSWORD "onlyonlyi"
+#define DATABASE "nutdb2"
+#define USERNAME "postgres"
+#define PASSWORD "856856"
 
-//    db.setDriver("QODBC");
-//    db.setHostName("127.0.0.1");
-//    db.setDatabaseName("DRIVER={SQL Server};Server=.;Database=Nut;Uid=sa;Port=1433;Pwd=qwe123!@#;WSID=.");
-//    db.setUserName("sa");
-//    db.setPassword("qwe123!@#");
+//#define DRIVER "QMYSQL"
+//#define HOST "127.0.0.1"
+//#define DATABASE "nutdb"
+//#define USERNAME "root"
+//#define PASSWORD "onlyonlyi"
+
+//#define DRIVER "QODBC"
+//#define HOST "127.0.0.1"
+//#define DATABASE "DRIVER={SQL Server};Server=.;Database=Nut2;Uid=sa;Port=1433;Pwd=qwe123!@#;WSID=."
+//#define USERNAME "sa"
+//#define PASSWORD "qwe123!@#"
 
 #endif // CONSTS_H
diff --git a/test/common/post.h b/test/common/post.h
index 7ece87e..de81702 100644
--- a/test/common/post.h
+++ b/test/common/post.h
@@ -7,6 +7,10 @@
 #include "comment.h"
 #include "databasemodel.h"
 
+#ifdef NUT_NAMESPACE
+using namespace NUT_NAMESPACE;
+#endif
+
 class Post : public Table
 {
     Q_OBJECT
diff --git a/test/common/weblogdatabase.h b/test/common/weblogdatabase.h
index 58eb7c8..911c0cf 100644
--- a/test/common/weblogdatabase.h
+++ b/test/common/weblogdatabase.h
@@ -3,6 +3,10 @@
 
 #include "database.h"
 
+#ifdef NUT_NAMESPACE
+using namespace NUT_NAMESPACE;
+#endif
+
 class Post;
 class Comment;
 class WeblogDatabase : public Database