Examples with BigintValuesUsingHashTable com.facebook.presto.common.predicate.TupleDomainFilter.BigintValuesUsingHashTable used on opensource projects

Example 1 with BigintValuesUsingHashTable

use of com.facebook.presto.common.predicate.TupleDomainFilter.BigintValuesUsingHashTable in project presto by prestodb.

the class OrcSelectiveRecordReader method scoreFilter.

private static int scoreFilter(Map<Subfield, TupleDomainFilter> filters) {
    checkArgument(!filters.isEmpty());
    if (filters.size() > 1) {
        // Complex type column. Complex types are expensive!
        return 1000;
    }
    Map.Entry<Subfield, TupleDomainFilter> filterEntry = Iterables.getOnlyElement(filters.entrySet());
    if (!filterEntry.getKey().getPath().isEmpty()) {
        // Complex type column. Complex types are expensive!
        return 1000;
    }
    TupleDomainFilter filter = filterEntry.getValue();
    if (filter instanceof BigintRange) {
        if (((BigintRange) filter).isSingleValue()) {
            // Integer equality. Generally cheap.
            return 10;
        }
        return 50;
    }
    if (filter instanceof BigintValuesUsingHashTable || filter instanceof BigintValuesUsingBitmask || filter instanceof BigintMultiRange) {
        return 50;
    }
    return 100;
}