ColumnFamily cf = rm.addOrGet(SystemKeyspace.SCHEMA_TRIGGERS_CF);
ColumnNameBuilder builder = CFMetaData.SchemaTriggersCf.getCfDef().getColumnNameBuilder();
builder.add(bytes(cfName)).add(bytes(name));
cf.addColumn(builder.copy().add(bytes("")).build(), bytes(""), timestamp); // the row marker
cf.addColumn(builder.copy().add(bytes(TRIGGER_OPTIONS)).add(bytes(CLASS)).build(), bytes(classOption), timestamp);
}
/**
* Drop specified trigger from the schema using given row.