public RowMutation mutationForKey(CFDefinition cfDef, ByteBuffer key, ColumnNameBuilder builder, boolean isRange, UpdateParameters params, ColumnGroupMap group)
throws InvalidRequestException
{
QueryProcessor.validateKey(key);
RowMutation rm = new RowMutation(cfDef.cfm.ksName, key);
ColumnFamily cf = rm.addOrGet(columnFamily());
if (columns.isEmpty() && builder.componentCount() == 0)
{
// No columns, delete the row
cf.delete(new DeletionInfo(params.timestamp, params.localDeletionTime));