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Example 1 with IntervalYearMonthType

use of io.prestosql.type.IntervalYearMonthType in project hetu-core by openlookeng.

the class LiteralInterpreter method evaluate.

public static Object evaluate(ConstantExpression node) {
    Type type = node.getType();
    if (node.getValue() == null) {
        return null;
    }
    if (type instanceof BooleanType) {
        return node.getValue();
    }
    if (type instanceof BigintType || type instanceof TinyintType || type instanceof SmallintType || type instanceof IntegerType) {
        return node.getValue();
    }
    if (type instanceof DoubleType) {
        return node.getValue();
    }
    if (type instanceof RealType) {
        Long number = (Long) node.getValue();
        return intBitsToFloat(number.intValue());
    }
    if (type instanceof DecimalType) {
        DecimalType decimalType = (DecimalType) type;
        if (decimalType.isShort()) {
            checkState(node.getValue() instanceof Long);
            return decodeDecimal(BigInteger.valueOf((long) node.getValue()), decimalType);
        }
        checkState(node.getValue() instanceof Slice);
        Slice value = (Slice) node.getValue();
        return decodeDecimal(decodeUnscaledValue(value), decimalType);
    }
    if (type instanceof VarcharType || type instanceof CharType) {
        return (node.getValue() instanceof String) ? node.getValue() : ((Slice) node.getValue()).toStringUtf8();
    }
    if (type instanceof VarbinaryType) {
        return new SqlVarbinary(((Slice) node.getValue()).getBytes());
    }
    if (type instanceof DateType) {
        return new SqlDate(((Long) node.getValue()).intValue());
    }
    if (type instanceof TimeType) {
        return new SqlTime((long) node.getValue());
    }
    if (type instanceof TimestampType) {
        try {
            return new SqlTimestamp((long) node.getValue());
        } catch (RuntimeException e) {
            throw new PrestoException(GENERIC_USER_ERROR, format("'%s' is not a valid timestamp literal", (String) node.getValue()));
        }
    }
    if (type instanceof IntervalDayTimeType) {
        return new SqlIntervalDayTime((long) node.getValue());
    }
    if (type instanceof IntervalYearMonthType) {
        return new SqlIntervalYearMonth(((Long) node.getValue()).intValue());
    }
    if (type.getJavaType().equals(Slice.class)) {
        // DO NOT ever remove toBase64. Calling toString directly on Slice whose base is not byte[] will cause JVM to crash.
        return "'" + VarbinaryFunctions.toBase64((Slice) node.getValue()).toStringUtf8() + "'";
    }
    // We should not fail at the moment; just return the raw value (block, regex, etc) to the user
    return node.getValue();
}
Also used : IntervalYearMonthType(io.prestosql.type.IntervalYearMonthType) VarcharType(io.prestosql.spi.type.VarcharType) TinyintType(io.prestosql.spi.type.TinyintType) SqlVarbinary(io.prestosql.spi.type.SqlVarbinary) SqlTime(io.prestosql.spi.type.SqlTime) SqlIntervalYearMonth(io.prestosql.type.SqlIntervalYearMonth) SqlTimestamp(io.prestosql.spi.type.SqlTimestamp) PrestoException(io.prestosql.spi.PrestoException) RealType(io.prestosql.spi.type.RealType) IntervalDayTimeType(io.prestosql.type.IntervalDayTimeType) TimeType(io.prestosql.spi.type.TimeType) VarbinaryType(io.prestosql.spi.type.VarbinaryType) TimestampType(io.prestosql.spi.type.TimestampType) SmallintType(io.prestosql.spi.type.SmallintType) DateType(io.prestosql.spi.type.DateType) BooleanType(io.prestosql.spi.type.BooleanType) BigintType(io.prestosql.spi.type.BigintType) IntegerType(io.prestosql.spi.type.IntegerType) DecimalType(io.prestosql.spi.type.DecimalType) IntervalDayTimeType(io.prestosql.type.IntervalDayTimeType) Type(io.prestosql.spi.type.Type) RealType(io.prestosql.spi.type.RealType) VarbinaryType(io.prestosql.spi.type.VarbinaryType) TimestampType(io.prestosql.spi.type.TimestampType) IntervalYearMonthType(io.prestosql.type.IntervalYearMonthType) BigintType(io.prestosql.spi.type.BigintType) CharType(io.prestosql.spi.type.CharType) DoubleType(io.prestosql.spi.type.DoubleType) SmallintType(io.prestosql.spi.type.SmallintType) IntegerType(io.prestosql.spi.type.IntegerType) TimeType(io.prestosql.spi.type.TimeType) TinyintType(io.prestosql.spi.type.TinyintType) DateType(io.prestosql.spi.type.DateType) BooleanType(io.prestosql.spi.type.BooleanType) VarcharType(io.prestosql.spi.type.VarcharType) DoubleType(io.prestosql.spi.type.DoubleType) Slices.utf8Slice(io.airlift.slice.Slices.utf8Slice) Slice(io.airlift.slice.Slice) SqlDate(io.prestosql.spi.type.SqlDate) SqlIntervalDayTime(io.prestosql.type.SqlIntervalDayTime) IntervalDayTimeType(io.prestosql.type.IntervalDayTimeType) DecimalType(io.prestosql.spi.type.DecimalType) CharType(io.prestosql.spi.type.CharType)

Aggregations

Slice (io.airlift.slice.Slice)1 Slices.utf8Slice (io.airlift.slice.Slices.utf8Slice)1 PrestoException (io.prestosql.spi.PrestoException)1 BigintType (io.prestosql.spi.type.BigintType)1 BooleanType (io.prestosql.spi.type.BooleanType)1 CharType (io.prestosql.spi.type.CharType)1 DateType (io.prestosql.spi.type.DateType)1 DecimalType (io.prestosql.spi.type.DecimalType)1 DoubleType (io.prestosql.spi.type.DoubleType)1 IntegerType (io.prestosql.spi.type.IntegerType)1 RealType (io.prestosql.spi.type.RealType)1 SmallintType (io.prestosql.spi.type.SmallintType)1 SqlDate (io.prestosql.spi.type.SqlDate)1 SqlTime (io.prestosql.spi.type.SqlTime)1 SqlTimestamp (io.prestosql.spi.type.SqlTimestamp)1 SqlVarbinary (io.prestosql.spi.type.SqlVarbinary)1 TimeType (io.prestosql.spi.type.TimeType)1 TimestampType (io.prestosql.spi.type.TimestampType)1 TinyintType (io.prestosql.spi.type.TinyintType)1 Type (io.prestosql.spi.type.Type)1