diff --git a/src/sqlitetypes.cpp b/src/sqlitetypes.cpp
index 5a0cc15a..994be911 100644
--- a/src/sqlitetypes.cpp
+++ b/src/sqlitetypes.cpp
@@ -2,6 +2,8 @@
 
 namespace sqlb {
 
+QStringList Field::Datatypes = QStringList() << "INTEGER" << "TEXT" << "BLOB" << "REAL" << "NUMERIC";
+
 QString Field::toString(const QString& indent, const QString& sep) const
 {
     QString str = indent + m_name + sep + m_type;
@@ -43,12 +45,18 @@ bool Field::isInteger() const
             || norm == "int8";
 }
 
-Table::~Table()
+void Table::clear()
 {
     foreach(Field* f, m_fields) {
         delete f;
     }
     m_fields.clear();
+    m_primarykey.clear();
+}
+
+Table::~Table()
+{
+    clear();
 }
 
 void Table::addField(Field *f)
@@ -56,6 +64,13 @@ void Table::addField(Field *f)
     m_fields.append(f);
 }
 
+void Table::setFields(const FieldList &fields)
+{
+    m_primarykey.clear();
+    clear();
+    m_fields = fields;
+}
+
 bool Table::setPrimaryKey(const FieldList& pk)
 {
     foreach(Field* f, pk) {
diff --git a/src/sqlitetypes.h b/src/sqlitetypes.h
index 21a3e466..04a95d90 100644
--- a/src/sqlitetypes.h
+++ b/src/sqlitetypes.h
@@ -16,6 +16,10 @@ public:
 
     QString toString(const QString& indent = "\t", const QString& sep = "\t") const;
 
+    void setName(const QString& name) { m_name = name; }
+    void setType(const QString& type) { m_type = type; }
+    void setNotNull(bool notnull = true) { m_notnull = notnull; }
+    void setCheck(const QString& check) { m_check = check; }
     void setAutoIncrement(bool autoinc) { m_autoincrement = autoinc; }
 
     bool isText() const;
@@ -26,6 +30,8 @@ public:
     bool notnull() const { return m_notnull; }
     const QString& check() const { return m_check; }
     bool autoIncrement() const { return m_autoincrement; }
+
+    static QStringList Datatypes;
 private:
     QString m_name;
     QString m_type;
@@ -41,10 +47,14 @@ public:
     Table(const QString& name): m_name(name) {}
     virtual ~Table();
 
+    void setName(const QString& name) { m_name = name; }
+
     const QString& name() const { return m_name; }
     QString sql() const;
 
     void addField(Field* f);
+    void setFields(const FieldList& fields);
+    void clear();
 
     bool setPrimaryKey(const FieldList& pk);
     bool setPrimaryKey(Field* pk, bool autoincrement = false);