query_execution/QueryContext.proto

// 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 "expressions/Expressions.proto";
import "expressions/table_generator/GeneratorFunction.proto";
import "storage/AggregationOperationState.proto";
import "storage/HashTable.proto";
import "storage/InsertDestination.proto";
import "storage/WindowAggregationOperationState.proto";
import "types/containers/Tuple.proto";
import "utility/SortConfiguration.proto";
import "utility/lip_filter/LIPFilter.proto";

message QueryContext {
  message AggregationOperationStateContext {
    required AggregationOperationState aggregation_state = 1;
    optional uint64 num_partitions = 2 [default = 1];
  }

  message HashTableContext {
    required HashTable join_hash_table = 1;
    optional uint64 num_partitions = 2 [default = 1];
  }

  message ScalarGroup {
    repeated Scalar scalars = 1;
  }

  message UpdateGroup {
    message UpdateAssignment {
      required int32 attribute_id = 1;
      required Scalar scalar = 2;
    }

    // NOTE(zuyu): Only used for validating UpdateAssignment's attribute_id.
    required int32 relation_id = 1;
    repeated UpdateAssignment update_assignments = 2;
  }

  repeated AggregationOperationStateContext aggregation_states = 1;
  repeated GeneratorFunctionHandle generator_functions = 2;
  repeated HashTableContext join_hash_tables = 3;
  repeated InsertDestination insert_destinations = 4;
  repeated LIPFilter lip_filters = 5;
  repeated LIPFilterDeployment lip_filter_deployments = 6;
  repeated Predicate predicates = 7;
  repeated ScalarGroup scalar_groups = 8;
  repeated SortConfiguration sort_configs = 9;
  repeated Tuple tuples = 10;

  // NOTE(zuyu): For UpdateWorkOrder only.
  repeated UpdateGroup update_groups = 11;

  repeated WindowAggregationOperationState window_aggregation_states = 12;

  required uint64 query_id = 13;

  repeated uint64 num_partitions_for_nested_loops_joins = 14;

  optional uint64 num_partitions_for_lips = 15 [default = 1];
}