presto-accumulo/src/main/java/io/prestosql/plugin/accumulo/AccumuloSplitManager.java/AccumuloSplitManager/getColumnConstraints
class AccumuloSplitManager:    private static List<AccumuloColumnConstraint> getColumnConstraints(String rowIdName, TupleDomain<ColumnHandle> constraint)
    {
        ImmutableList.Builder<AccumuloColumnConstraint> constraintBuilder = ImmutableList.builder();
        for (ColumnDomain<ColumnHandle> columnDomain : constraint.getColumnDomains().get()) {
            AccumuloColumnHandle columnHandle = (AccumuloColumnHandle) columnDomain.getColumn();

            if (!columnHandle.getName().equals(rowIdName)) {
                // Family and qualifier will exist for non-row ID columns
                constraintBuilder.add(new AccumuloColumnConstraint(
                        columnHandle.getName(),
                        columnHandle.getFamily().get(),
                        columnHandle.getQualifier().get(),
                        Optional.of(columnDomain.getDomain()),
                        columnHandle.isIndexed()));
            }
        }

        return constraintBuilder.build();
    }