// 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.

syntax = "proto2";

package quickstep.serialization;

import "catalog/Catalog.proto";
import "storage/StorageBlockLayout.proto";

enum InsertDestinationType {
  ALWAYS_CREATE_BLOCK = 0;
  BLOCK_POOL = 1;
  PARTITION_AWARE = 2;
}

message InsertDestination {
  required InsertDestinationType insert_destination_type = 1;
  required int32 relation_id = 2;

  // Note(zuyu): the actual StorageBlockLayout for insertion, if set.
  optional StorageBlockLayoutDescription layout = 3;

  required uint64 relational_op_index = 4;

  // The convention for extension numbering is that extensions for a particular
  // tInsertDestinationType should begin from (insert_destination_type + 1) * 16.
  extensions 16 to max;
}

message BlockPoolInsertDestination {
  extend InsertDestination {
    // NOTE(zuyu): empty for UpdateOperator, and otherwise all existing blocks
    // from the relation.
    repeated fixed64 blocks = 32 [packed=true];
  }
}

message PartitionAwareInsertDestination {
  extend InsertDestination {
    optional PartitionScheme partition_scheme = 48;
  }
}