if (getVerColumn() == null) {
throw new NullPointerException("Missing 'verColumn' attribute");
}
Column.Name columnName = new ColumnImpl.NameImpl(getVerColumn());
SQLFactory factory = new SQLFactoryImpl();
Schema sch = factory.getSchema(getConnection(), getSchema());
VersionGenerator versionGenerator = new VersionGenerator();
versionGenerator.setGeneratingLogging(isGeneratingLogging());
boolean isFirstTable = true;