github.com/rohankumardubey/aresdb@v0.0.2-0.20190517170215-e54e3ca06b9c/query/sql/tree/NaturalJoin.go (about)

     1  //  Copyright (c) 2017-2018 Uber Technologies, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package tree
    16  
    17  // NaturalJoin is natural join
    18  type NaturalJoin struct {
    19  	// IJoinCriteria is interface
    20  	IJoinCriteria
    21  }
    22  
    23  // NewNaturalJoin creates NaturalJoin
    24  func NewNaturalJoin() *NaturalJoin {
    25  	return &NaturalJoin{}
    26  }
    27  
    28  // GetNodes returns empty
    29  func (n *NaturalJoin) GetNodes() []INode {
    30  	return nil
    31  }