Examples with MICROSECONDS_PER_MILLISECOND io.trino.spi.type.Timestamps.MICROSECONDS_PER_MILLISECOND used on opensource projects

Example 1 with MICROSECONDS_PER_MILLISECOND

use of io.trino.spi.type.Timestamps.MICROSECONDS_PER_MILLISECOND in project trino by trinodb.

the class TupleDomainOrcPredicate method getDomain.

@VisibleForTesting
public static Domain getDomain(Type type, long rowCount, ColumnStatistics columnStatistics) {
    if (rowCount == 0) {
        return Domain.none(type);
    }
    if (columnStatistics == null) {
        return Domain.all(type);
    }
    if (columnStatistics.hasNumberOfValues() && columnStatistics.getNumberOfValues() == 0) {
        return Domain.onlyNull(type);
    }
    boolean hasNullValue = columnStatistics.getNumberOfValues() != rowCount;
    if (type instanceof TimeType && columnStatistics.getIntegerStatistics() != null) {
        // This is the representation of TIME used by Iceberg
        return createDomain(type, hasNullValue, columnStatistics.getIntegerStatistics(), value -> ((long) value) * Timestamps.PICOSECONDS_PER_MICROSECOND);
    }
    if (type.getJavaType() == boolean.class && columnStatistics.getBooleanStatistics() != null) {
        BooleanStatistics booleanStatistics = columnStatistics.getBooleanStatistics();
        boolean hasTrueValues = (booleanStatistics.getTrueValueCount() != 0);
        boolean hasFalseValues = (columnStatistics.getNumberOfValues() != booleanStatistics.getTrueValueCount());
        if (hasTrueValues && hasFalseValues) {
            return Domain.all(BOOLEAN);
        }
        if (hasTrueValues) {
            return Domain.create(ValueSet.of(BOOLEAN, true), hasNullValue);
        }
        if (hasFalseValues) {
            return Domain.create(ValueSet.of(BOOLEAN, false), hasNullValue);
        }
    } else if (isShortDecimal(type) && columnStatistics.getDecimalStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getDecimalStatistics(), value -> rescale(value, (DecimalType) type).unscaledValue().longValue());
    } else if (isLongDecimal(type) && columnStatistics.getDecimalStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getDecimalStatistics(), value -> Int128.valueOf(rescale(value, (DecimalType) type).unscaledValue()));
    } else if (type instanceof CharType && columnStatistics.getStringStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getStringStatistics(), value -> truncateToLengthAndTrimSpaces(value, type));
    } else if (type instanceof VarcharType && columnStatistics.getStringStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getStringStatistics());
    } else if (type instanceof DateType && columnStatistics.getDateStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getDateStatistics(), value -> (long) value);
    } else if ((type.equals(TIMESTAMP_MILLIS) || type.equals(TIMESTAMP_MICROS)) && columnStatistics.getTimestampStatistics() != null) {
        // upper bound of the domain we create must be adjusted accordingly, to includes the rounded timestamp.
        return createDomain(type, hasNullValue, columnStatistics.getTimestampStatistics(), min -> min * MICROSECONDS_PER_MILLISECOND, max -> (max + 1) * MICROSECONDS_PER_MILLISECOND);
    } else if (type.equals(TIMESTAMP_NANOS) && columnStatistics.getTimestampStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getTimestampStatistics(), min -> new LongTimestamp(min * MICROSECONDS_PER_MILLISECOND, 0), max -> new LongTimestamp((max + 1) * MICROSECONDS_PER_MILLISECOND, 0));
    } else if (type.equals(TIMESTAMP_TZ_MILLIS) && columnStatistics.getTimestampStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getTimestampStatistics(), value -> packDateTimeWithZone(value, UTC_KEY));
    } else if (type.equals(TIMESTAMP_TZ_MICROS) && (columnStatistics.getTimestampStatistics() != null)) {
        return createDomain(type, hasNullValue, columnStatistics.getTimestampStatistics(), min -> LongTimestampWithTimeZone.fromEpochMillisAndFraction(min, 0, UTC_KEY), max -> LongTimestampWithTimeZone.fromEpochMillisAndFraction(max, 999_000_000, UTC_KEY));
    } else if (type.equals(TIMESTAMP_TZ_NANOS) && columnStatistics.getTimestampStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getTimestampStatistics(), min -> LongTimestampWithTimeZone.fromEpochMillisAndFraction(min, 0, UTC_KEY), max -> LongTimestampWithTimeZone.fromEpochMillisAndFraction(max, 999_999_000, UTC_KEY));
    } else if (type.getJavaType() == long.class && columnStatistics.getIntegerStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getIntegerStatistics());
    } else if (type.getJavaType() == double.class && columnStatistics.getDoubleStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getDoubleStatistics());
    } else if (REAL.equals(type) && columnStatistics.getDoubleStatistics() != null) {
        return createDomain(type, hasNullValue, columnStatistics.getDoubleStatistics(), value -> (long) floatToRawIntBits(value.floatValue()));
    }
    return Domain.create(ValueSet.all(type), hasNullValue);
}