github.com/siglens/siglens@v0.0.0-20240328180423-f7ce9ae441ed/pkg/segment/query/distributedquery.go (about)

     1  /*
     2  Copyright 2023.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package query
    18  
    19  import (
    20  	"github.com/siglens/siglens/pkg/segment/query/summary"
    21  	"github.com/siglens/siglens/pkg/segment/results/segresults"
    22  )
    23  
    24  type DistributedQueryService struct {
    25  	isDistributed bool // whether or not this is a distributed query
    26  }
    27  
    28  func InitDistQueryService(querySummary *summary.QuerySummary, allSegFileResults *segresults.SearchResults) *DistributedQueryService {
    29  
    30  	return &DistributedQueryService{
    31  		isDistributed: false,
    32  	}
    33  }
    34  
    35  func (d *DistributedQueryService) Wait(qid uint64, querySummary *summary.QuerySummary) error {
    36  	if d == nil {
    37  		return nil
    38  	}
    39  	if !d.isDistributed {
    40  		return nil
    41  	}
    42  	return nil
    43  }
    44  
    45  func (d *DistributedQueryService) DistributeRotatedRequests(qI *queryInformation, qsrs []*querySegmentRequest) ([]*querySegmentRequest, uint64, error) {
    46  	if d == nil {
    47  		return qsrs, 0, nil
    48  	}
    49  
    50  	return qsrs, 0, nil
    51  }
    52  
    53  func (d *DistributedQueryService) DistributeUnrotatedQuery(qI *queryInformation) (uint64, error) {
    54  	if d == nil {
    55  		return 0, nil
    56  	}
    57  	return 0, nil
    58  }