Examples with SqlTimestampWithTimeZone com.facebook.presto.common.type.SqlTimestampWithTimeZone used on opensource projects

Example 11 with SqlTimestampWithTimeZone

use of com.facebook.presto.common.type.SqlTimestampWithTimeZone in project presto by prestodb.

the class DruidPushdownUtils method getLiteralAsString.

// Copied from com.facebook.presto.sql.planner.LiteralInterpreter.evaluate
public static String getLiteralAsString(ConnectorSession session, ConstantExpression node) {
    Type type = node.getType();
    if (node.getValue() == null) {
        throw new PrestoException(DRUID_PUSHDOWN_UNSUPPORTED_EXPRESSION, "Null constant expression: " + node + " with value of type: " + type);
    }
    if (type instanceof BooleanType) {
        return String.valueOf(((Boolean) node.getValue()).booleanValue());
    }
    if (type instanceof BigintType || type instanceof TinyintType || type instanceof SmallintType || type instanceof IntegerType) {
        Number number = (Number) node.getValue();
        return format("%d", number.longValue());
    }
    if (type instanceof DoubleType) {
        return node.getValue().toString();
    }
    if (type instanceof RealType) {
        Long number = (Long) node.getValue();
        return format("%f", 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).toString();
        }
        checkState(node.getValue() instanceof Slice);
        Slice value = (Slice) node.getValue();
        return decodeDecimal(decodeUnscaledValue(value), decimalType).toString();
    }
    if (type instanceof VarcharType || type instanceof CharType) {
        return "'" + ((Slice) node.getValue()).toStringUtf8() + "'";
    }
    if (type instanceof TimestampType) {
        return getTimestampLiteralAsString(session, (long) node.getValue());
    }
    if (type instanceof TimestampWithTimeZoneType) {
        return getTimestampLiteralAsString(session, new SqlTimestampWithTimeZone((long) node.getValue()).getMillisUtc());
    }
    throw new PrestoException(DRUID_PUSHDOWN_UNSUPPORTED_EXPRESSION, "Cannot handle the constant expression: " + node + " with value of type: " + type);
}