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

Example 91 with MapType

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

the class MapColumnValidator method generateChecksumColumns.

@Override
public List<SingleColumn> generateChecksumColumns(Column column) {
    checkArgument(column.getType() instanceof MapType, "Expect MapType, found %s", column.getType().getDisplayName());
    Type keyType = ((MapType) column.getType()).getKeyType();
    Type valueType = ((MapType) column.getType()).getValueType();
    Expression checksum = functionCall("checksum", column.getExpression());
    Expression keysChecksum = generateArrayChecksum(functionCall("map_keys", column.getExpression()), new ArrayType(keyType));
    Expression valuesChecksum = generateArrayChecksum(functionCall("map_values", column.getExpression()), new ArrayType(valueType));
    Expression mapCardinalityChecksum = functionCall("checksum", functionCall("cardinality", column.getExpression()));
    Expression mapCardinalitySum = new CoalesceExpression(functionCall("sum", functionCall("cardinality", column.getExpression())), new LongLiteral("0"));
    return ImmutableList.of(new SingleColumn(checksum, Optional.of(delimitedIdentifier(getChecksumColumnAlias(column)))), new SingleColumn(keysChecksum, Optional.of(delimitedIdentifier(getKeysChecksumColumnAlias(column)))), new SingleColumn(valuesChecksum, Optional.of(delimitedIdentifier(getValuesChecksumColumnAlias(column)))), new SingleColumn(mapCardinalityChecksum, Optional.of(delimitedIdentifier(getCardinalityChecksumColumnAlias(column)))), new SingleColumn(mapCardinalitySum, Optional.of(delimitedIdentifier(getCardinalitySumColumnAlias(column)))));
}

Example 92 with MapType

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

the class TestingPrestoClient method convertToRowValue.

private static Object convertToRowValue(Type type, Object value) {
    if (value == null) {
        return null;
    }
    if (BOOLEAN.equals(type)) {
        return value;
    } else if (TINYINT.equals(type)) {
        return ((Number) value).byteValue();
    } else if (SMALLINT.equals(type)) {
        return ((Number) value).shortValue();
    } else if (INTEGER.equals(type)) {
        return ((Number) value).intValue();
    } else if (BIGINT.equals(type)) {
        return ((Number) value).longValue();
    } else if (DOUBLE.equals(type)) {
        return ((Number) value).doubleValue();
    } else if (REAL.equals(type)) {
        return ((Number) value).floatValue();
    } else if (type instanceof VarcharType) {
        return value;
    } else if (isCharType(type)) {
        return value;
    } else if (VARBINARY.equals(type)) {
        return value;
    } else if (DATE.equals(type)) {
        return DateTimeFormatter.ISO_LOCAL_DATE.parse(((String) value), LocalDate::from);
    } else if (TIME.equals(type)) {
        return DateTimeFormatter.ISO_LOCAL_TIME.parse(((String) value), LocalTime::from);
    } else if (TIME_WITH_TIME_ZONE.equals(type)) {
        // Only zone-offset timezones are supported (TODO remove political timezones support for TIME WITH TIME ZONE)
        try {
            return timeWithUtcZoneFormat.parse(((String) value), LocalTime::from).atOffset(ZoneOffset.UTC);
        } catch (DateTimeParseException e) {
            return timeWithZoneOffsetFormat.parse(((String) value), OffsetTime::from);
        }
    } else if (TIMESTAMP.equals(type)) {
        return SqlTimestamp.JSON_FORMATTER.parse((String) value, LocalDateTime::from);
    } else if (TIMESTAMP_WITH_TIME_ZONE.equals(type)) {
        return timestampWithTimeZoneFormat.parse((String) value, ZonedDateTime::from);
    } else if (INTERVAL_DAY_TIME.equals(type)) {
        return new SqlIntervalDayTime(IntervalDayTime.parseMillis(String.valueOf(value)));
    } else if (INTERVAL_YEAR_MONTH.equals(type)) {
        return new SqlIntervalYearMonth(IntervalYearMonth.parseMonths(String.valueOf(value)));
    } else if (IPADDRESS.equals(type)) {
        return value;
    } else if (type instanceof ArrayType) {
        return ((List<Object>) value).stream().map(element -> convertToRowValue(((ArrayType) type).getElementType(), element)).collect(toList());
    } else if (type instanceof MapType) {
        return ((Map<Object, Object>) value).entrySet().stream().collect(Collectors.toMap(e -> convertToRowValue(((MapType) type).getKeyType(), e.getKey()), e -> convertToRowValue(((MapType) type).getValueType(), e.getValue())));
    } else if (type instanceof RowType) {
        Map<String, Object> data = (Map<String, Object>) value;
        RowType rowType = (RowType) type;
        return rowType.getFields().stream().map(field -> convertToRowValue(field.getType(), data.get(field.getName().get()))).collect(toList());
    } else if (type instanceof DecimalType) {
        return new BigDecimal((String) value);
    } else if (type instanceof JsonType) {
        return value;
    } else if (type instanceof VarcharEnumType) {
        return value;
    } else if (type instanceof BigintEnumType) {
        return ((Number) value).longValue();
    } else if (type instanceof TypeWithName) {
        return convertToRowValue(((TypeWithName) type).getType(), value);
    } else if (type.getTypeSignature().getBase().equals("ObjectId")) {
        return value;
    } else {
        throw new AssertionError("unhandled type: " + type);
    }
}