Table table = schema.addTable(tableName);
_pkColumn = addPrimaryKeyColumn(table);
PrimaryKey pk = table.addPrimaryKey();
pk.addColumn(_pkColumn);
DBDictionary dict = _conf.getDBDictionaryInstance();
_seqColumn = table.addColumn(dict.getValidColumnName
(_seqColumnName, table));
_seqColumn.setType(dict.getPreferredType(Types.BIGINT));
_seqColumn.setJavaType(JavaTypes.LONG);
}