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

Example 1 with PICOSECONDS_PER_NANOSECOND

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

the class OrcTester method preprocessWriteValueHive.

private static Object preprocessWriteValueHive(Type type, Object value) {
    if (value == null) {
        return null;
    }
    if (type.equals(BOOLEAN)) {
        return value;
    }
    if (type.equals(TINYINT)) {
        return ((Number) value).byteValue();
    }
    if (type.equals(SMALLINT)) {
        return ((Number) value).shortValue();
    }
    if (type.equals(INTEGER)) {
        return ((Number) value).intValue();
    }
    if (type.equals(BIGINT)) {
        return ((Number) value).longValue();
    }
    if (type.equals(REAL)) {
        return ((Number) value).floatValue();
    }
    if (type.equals(DOUBLE)) {
        return ((Number) value).doubleValue();
    }
    if (type instanceof VarcharType) {
        return value;
    }
    if (type instanceof CharType) {
        return new HiveChar((String) value, ((CharType) type).getLength());
    }
    if (type.equals(VARBINARY)) {
        return ((SqlVarbinary) value).getBytes();
    }
    if (type.equals(DATE)) {
        return Date.ofEpochDay(((SqlDate) value).getDays());
    }
    if (type.equals(TIMESTAMP_MILLIS) || type.equals(TIMESTAMP_MICROS) || type.equals(TIMESTAMP_NANOS)) {
        LocalDateTime dateTime = ((SqlTimestamp) value).toLocalDateTime();
        return Timestamp.ofEpochSecond(dateTime.toEpochSecond(ZoneOffset.UTC), dateTime.getNano());
    }
    if (type.equals(TIMESTAMP_TZ_MILLIS) || type.equals(TIMESTAMP_TZ_MICROS) || type.equals(TIMESTAMP_TZ_NANOS)) {
        SqlTimestampWithTimeZone timestamp = (SqlTimestampWithTimeZone) value;
        int nanosOfMilli = roundDiv(timestamp.getPicosOfMilli(), PICOSECONDS_PER_NANOSECOND);
        return Timestamp.ofEpochMilli(timestamp.getEpochMillis(), nanosOfMilli);
    }
    if (type instanceof DecimalType) {
        return HiveDecimal.create(((SqlDecimal) value).toBigDecimal());
    }
    if (type instanceof ArrayType) {
        Type elementType = type.getTypeParameters().get(0);
        return ((List<?>) value).stream().map(element -> preprocessWriteValueHive(elementType, element)).collect(toList());
    }
    if (type instanceof MapType) {
        Type keyType = type.getTypeParameters().get(0);
        Type valueType = type.getTypeParameters().get(1);
        Map<Object, Object> newMap = new HashMap<>();
        for (Entry<?, ?> entry : ((Map<?, ?>) value).entrySet()) {
            newMap.put(preprocessWriteValueHive(keyType, entry.getKey()), preprocessWriteValueHive(valueType, entry.getValue()));
        }
        return newMap;
    }
    if (type instanceof RowType) {
        List<?> fieldValues = (List<?>) value;
        List<Type> fieldTypes = type.getTypeParameters();
        List<Object> newStruct = new ArrayList<>();
        for (int fieldId = 0; fieldId < fieldValues.size(); fieldId++) {
            newStruct.add(preprocessWriteValueHive(fieldTypes.get(fieldId), fieldValues.get(fieldId)));
        }
        return newStruct;
    }
    throw new IllegalArgumentException("unsupported type: " + type);
}