sql/core/src/test/avro/parquet-compat.avdl

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// This is a test protocol for testing parquet-avro compatibility.
@namespace("org.apache.spark.sql.execution.datasources.parquet.test.avro")
protocol CompatibilityTest {
    enum Suit {
        SPADES,
        HEARTS,
        DIAMONDS,
        CLUBS
    }

    record ParquetEnum {
        Suit suit;
    }

    record Nested {
        array<int> nested_ints_column;
        string nested_string_column;
    }

    record AvroPrimitives {
        boolean bool_column;
        int int_column;
        long long_column;
        float float_column;
        double double_column;
        bytes binary_column;
        string string_column;
    }

    record AvroOptionalPrimitives {
        union { null, boolean } maybe_bool_column;
        union { null, int } maybe_int_column;
        union { null, long } maybe_long_column;
        union { null, float } maybe_float_column;
        union { null, double } maybe_double_column;
        union { null, bytes } maybe_binary_column;
        union { null, string } maybe_string_column;
    }

    record AvroNonNullableArrays {
        array<string> strings_column;
        union { null, array<int> } maybe_ints_column;
    }

    record AvroArrayOfArray {
        array<array<int>> int_arrays_column;
    }

    record AvroMapOfArray {
        map<array<int>> string_to_ints_column;
    }

    record ParquetAvroCompat {
        array<string> strings_column;
        map<int> string_to_int_column;
        map<array<Nested>> complex_column;
    }
}