Examples with LiteralParameters io.trino.spi.function.LiteralParameters used on opensource projects

Example 16 with LiteralParameters

use of io.trino.spi.function.LiteralParameters in project trino by trinodb.

the class FunctionsParserHelper method parseLiteralParameters.

public static Set<String> parseLiteralParameters(Method method) {
    LiteralParameters literalParametersAnnotation = method.getAnnotation(LiteralParameters.class);
    if (literalParametersAnnotation == null) {
        return ImmutableSet.of();
    }
    Set<String> result = new TreeSet<>(CASE_INSENSITIVE_ORDER);
    result.addAll(Arrays.asList(literalParametersAnnotation.value()));
    return result;
}

Example 17 with LiteralParameters

use of io.trino.spi.function.LiteralParameters in project trino by trinodb.

the class ToIso8601 method toIso8601.

@LiteralParameters({ "p", "n" })
@SqlType("varchar(n)")
@Constraint(variable = "n", expression = RESULT_LENGTH)
public static Slice toIso8601(@LiteralParameter("p") long precision, @SqlType("timestamp(p) with time zone") long packedEpochMillis) {
    long epochMillis = unpackMillisUtc(packedEpochMillis);
    ZoneId zoneId = unpackZoneKey(packedEpochMillis).getZoneId();
    return utf8Slice(format((int) precision, epochMillis, 0, zoneId));
}

Example 18 with LiteralParameters

use of io.trino.spi.function.LiteralParameters in project trino by trinodb.

the class TimestampWithTimeZoneToDateCast method cast.

@LiteralParameters("p")
@SqlType(StandardTypes.DATE)
public static long cast(@SqlType("timestamp(p) with time zone") long timestamp) {
    long epochMillis = unpackMillisUtc(timestamp);
    TimeZoneKey zoneKey = unpackZoneKey(timestamp);
    return toDate(epochMillis, zoneKey);
}

Example 19 with LiteralParameters

use of io.trino.spi.function.LiteralParameters in project trino by trinodb.

the class TimestampWithTimeZoneToTimeCast method cast.

@LiteralParameters({ "sourcePrecision", "targetPrecision" })
@SqlType("time(targetPrecision)")
public static long cast(@LiteralParameter("targetPrecision") long targetPrecision, @SqlType("timestamp(sourcePrecision) with time zone") long packedEpochMillis) {
    long epochMillis = unpackMillisUtc(packedEpochMillis);
    ZoneId zoneId = unpackZoneKey(packedEpochMillis).getZoneId();
    return convert(targetPrecision, epochMillis, 0, zoneId);
}

Example 20 with LiteralParameters

use of io.trino.spi.function.LiteralParameters in project trino by trinodb.

the class TimestampWithTimeZoneToTimeWithTimeZoneCast method longToShort.

@LiteralParameters({ "sourcePrecision", "targetPrecision" })
@SqlType("time(targetPrecision) with time zone")
public static long longToShort(@LiteralParameter("targetPrecision") long targetPrecision, @SqlType("timestamp(sourcePrecision) with time zone") LongTimestampWithTimeZone timestamp) {
    // source precision is > 3
    // target precision is <= 9
    TimeZoneKey zoneKey = getTimeZoneKey(timestamp.getTimeZoneKey());
    long epochMillis = getChronology(zoneKey).getZone().convertUTCToLocal(timestamp.getEpochMillis());
    // combine epochMillis with picosOfMilli from the timestamp. We compute modulo 24 to avoid overflow when rescaling epocMilli to picoseconds
    long picos = rescale(floorMod(epochMillis, MILLISECONDS_PER_DAY), 3, 12) + timestamp.getPicosOfMilli();
    picos = round(picos, (int) (12 - targetPrecision));
    picos = floorMod(picos, PICOSECONDS_PER_DAY);
    long nanos = rescale(picos, 12, 9);
    return packTimeWithTimeZone(nanos, DateTimes.getOffsetMinutes(Instant.ofEpochMilli(epochMillis), zoneKey));
}