addSchema {
NAME: "tFilterColumns_1",
CONNECTOR: "FLOW"
addColumn {
NAME: "name",
TYPE: "id_String"
}
addColumn {
NAME: "gender",
TYPE: "id_String"
}
addColumn {
NAME: "age",
TYPE: "id_Integer",
LENGTH: 2
}
addColumn {
NAME: "city",
TYPE: "id_String"
}
}