Examples with BinaryType org.apache.spark.sql.types.BinaryType used on opensource projects

Example 1 with BinaryType

use of org.apache.spark.sql.types.BinaryType in project spark-bigquery-connector by GoogleCloudDataproc.

the class AvroSchemaConverter method createConverterFor.

static Converter createConverterFor(DataType sparkType, Schema avroType) {
    if (sparkType instanceof NullType && avroType.getType() == Schema.Type.NULL) {
        return (getter, ordinal) -> null;
    }
    if (sparkType instanceof BooleanType && avroType.getType() == Schema.Type.BOOLEAN) {
        return (getter, ordinal) -> getter.getBoolean(ordinal);
    }
    if (sparkType instanceof ByteType && avroType.getType() == Schema.Type.LONG) {
        return (getter, ordinal) -> Long.valueOf(getter.getByte(ordinal));
    }
    if (sparkType instanceof ShortType && avroType.getType() == Schema.Type.LONG) {
        return (getter, ordinal) -> Long.valueOf(getter.getShort(ordinal));
    }
    if (sparkType instanceof IntegerType && avroType.getType() == Schema.Type.LONG) {
        return (getter, ordinal) -> Long.valueOf(getter.getInt(ordinal));
    }
    if (sparkType instanceof LongType && avroType.getType() == Schema.Type.LONG) {
        return (getter, ordinal) -> getter.getLong(ordinal);
    }
    if (sparkType instanceof FloatType && avroType.getType() == Schema.Type.DOUBLE) {
        return (getter, ordinal) -> Double.valueOf(getter.getFloat(ordinal));
    }
    if (sparkType instanceof DoubleType && avroType.getType() == Schema.Type.DOUBLE) {
        return (getter, ordinal) -> getter.getDouble(ordinal);
    }
    if (sparkType instanceof DecimalType && avroType.getType() == Schema.Type.BYTES) {
        DecimalType decimalType = (DecimalType) sparkType;
        return (getter, ordinal) -> {
            Decimal decimal = getter.getDecimal(ordinal, decimalType.precision(), decimalType.scale());
            return DECIMAL_CONVERSIONS.toBytes(decimal.toJavaBigDecimal(), avroType, LogicalTypes.decimal(decimalType.precision(), decimalType.scale()));
        };
    }
    if (sparkType instanceof StringType && avroType.getType() == Schema.Type.STRING) {
        return (getter, ordinal) -> new Utf8(getter.getUTF8String(ordinal).getBytes());
    }
    if (sparkType instanceof BinaryType && avroType.getType() == Schema.Type.FIXED) {
        int size = avroType.getFixedSize();
        return (getter, ordinal) -> {
            byte[] data = getter.getBinary(ordinal);
            if (data.length != size) {
                throw new IllegalArgumentException(String.format("Cannot write %s bytes of binary data into FIXED Type with size of %s bytes", data.length, size));
            }
            return new GenericData.Fixed(avroType, data);
        };
    }
    if (sparkType instanceof BinaryType && avroType.getType() == Schema.Type.BYTES) {
        return (getter, ordinal) -> ByteBuffer.wrap(getter.getBinary(ordinal));
    }
    if (sparkType instanceof DateType && avroType.getType() == Schema.Type.INT) {
        return (getter, ordinal) -> getter.getInt(ordinal);
    }
    if (sparkType instanceof TimestampType && avroType.getType() == Schema.Type.LONG) {
        return (getter, ordinal) -> getter.getLong(ordinal);
    }
    if (sparkType instanceof ArrayType && avroType.getType() == Schema.Type.ARRAY) {
        DataType et = ((ArrayType) sparkType).elementType();
        boolean containsNull = ((ArrayType) sparkType).containsNull();
        Converter elementConverter = createConverterFor(et, resolveNullableType(avroType.getElementType(), containsNull));
        return (getter, ordinal) -> {
            ArrayData arrayData = getter.getArray(ordinal);
            int len = arrayData.numElements();
            Object[] result = new Object[len];
            for (int i = 0; i < len; i++) {
                if (containsNull && arrayData.isNullAt(i)) {
                    result[i] = null;
                } else {
                    result[i] = elementConverter.convert(arrayData, i);
                }
            }
            // `ArrayList` backed by the specified array without data copying.
            return java.util.Arrays.asList(result);
        };
    }
    if (sparkType instanceof StructType && avroType.getType() == Schema.Type.RECORD) {
        StructType sparkStruct = (StructType) sparkType;
        StructConverter structConverter = new StructConverter(sparkStruct, avroType);
        int numFields = sparkStruct.length();
        return (getter, ordinal) -> structConverter.convert(getter.getStruct(ordinal, numFields));
    }
    if (sparkType instanceof UserDefinedType) {
        UserDefinedType userDefinedType = (UserDefinedType) sparkType;
        return createConverterFor(userDefinedType.sqlType(), avroType);
    }
    throw new IllegalArgumentException(String.format("Cannot convert Catalyst type %s to Avro type %s", sparkType, avroType));
}

Example 2 with BinaryType

use of org.apache.spark.sql.types.BinaryType in project spark-bigquery-connector by GoogleCloudDataproc.

the class AvroSchemaConverter method sparkTypeToRawAvroType.

static Schema sparkTypeToRawAvroType(DataType dataType, String recordName, SchemaBuilder.TypeBuilder<Schema> builder) {
    if (dataType instanceof BinaryType) {
        return builder.bytesType();
    }
    if (dataType instanceof ByteType || dataType instanceof ShortType || dataType instanceof IntegerType || dataType instanceof LongType) {
        return builder.longType();
    }
    if (dataType instanceof BooleanType) {
        return builder.booleanType();
    }
    if (dataType instanceof FloatType || dataType instanceof DoubleType) {
        return builder.doubleType();
    }
    if (dataType instanceof DecimalType) {
        DecimalType decimalType = (DecimalType) dataType;
        if (decimalType.precision() <= SchemaConverters.BQ_NUMERIC_PRECISION && decimalType.scale() <= SchemaConverters.BQ_NUMERIC_SCALE) {
            return LogicalTypes.decimal(decimalType.precision(), decimalType.scale()).addToSchema(builder.bytesType());
        } else {
            throw new IllegalArgumentException("Decimal type is too wide to fit in BigQuery Numeric format");
        }
    }
    if (dataType instanceof StringType) {
        return builder.stringType();
    }
    if (dataType instanceof TimestampType) {
        // team adds microsecond support to their backend
        return LogicalTypes.timestampMicros().addToSchema(builder.longType());
    }
    if (dataType instanceof DateType) {
        return LogicalTypes.date().addToSchema(builder.intType());
    }
    if (dataType instanceof ArrayType) {
        return builder.array().items(sparkTypeToRawAvroType(((ArrayType) dataType).elementType(), ((ArrayType) dataType).containsNull(), recordName));
    }
    if (dataType instanceof StructType) {
        SchemaBuilder.FieldAssembler<Schema> fieldsAssembler = builder.record(recordName).fields();
        for (StructField field : ((StructType) dataType).fields()) {
            Schema avroType = sparkTypeToRawAvroType(field.dataType(), field.nullable(), field.name());
            fieldsAssembler.name(field.name()).type(avroType).noDefault();
        }
        return fieldsAssembler.endRecord();
    }
    if (dataType instanceof UserDefinedType) {
        DataType userDefinedType = ((UserDefinedType) dataType).sqlType();
        return sparkTypeToRawAvroType(userDefinedType, recordName, builder);
    }
    if (dataType instanceof MapType) {
        throw new IllegalArgumentException(SchemaConverters.MAPTYPE_ERROR_MESSAGE);
    } else {
        throw new IllegalArgumentException("Data type not supported: " + dataType.simpleString());
    }
}