github.com/rohankumardubey/aresdb@v0.0.2-0.20190517170215-e54e3ca06b9c/query/sql/tree/GroupBy.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  // GroupBy is GroupBy
    18  type GroupBy struct {
    19  	// Node is INode
    20  	INode
    21  	IsDistinct       bool
    22  	GroupingElements []IGroupingElement
    23  }
    24  
    25  // NewGroupBy creates GroupBy
    26  func NewGroupBy(location *NodeLocation, distinct bool, elements []IGroupingElement) *GroupBy {
    27  	return &GroupBy{
    28  		NewNode(location),
    29  		distinct,
    30  		elements,
    31  	}
    32  }
    33  
    34  // Accept accepts visitor
    35  func (e *GroupBy) Accept(visitor AstVisitor, ctx interface{}) interface{} {
    36  	return visitor.VisitGroupBy(e, ctx)
    37  }