github.com/rohankumardubey/aresdb@v0.0.2-0.20190517170215-e54e3ca06b9c/query/sql/tree/WithQuery.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  import (
    18  	"fmt"
    19  
    20  	"github.com/uber/aresdb/query/sql/util"
    21  )
    22  
    23  // WithQuery is WithQuery
    24  type WithQuery struct {
    25  	// Node is INode
    26  	INode
    27  	// Name is name
    28  	Name *Identifier
    29  	// Query is query
    30  	Query *Query
    31  	// ColumnAliases is ColumnAliases
    32  	ColumnAliases []*Identifier
    33  }
    34  
    35  // NewWithQuery creates WithQuery
    36  func NewWithQuery(location *NodeLocation, name *Identifier, query *Query, columnAliases []*Identifier) *WithQuery {
    37  	errMsg := fmt.Sprintf("query is null at (line:%d, col:%d)", location.Line, location.CharPosition)
    38  	util.RequireNonNull(query, errMsg)
    39  
    40  	return &WithQuery{
    41  		NewNode(location),
    42  		name,
    43  		query,
    44  		columnAliases,
    45  	}
    46  }
    47  
    48  // Accept accepts visitor
    49  func (q *WithQuery) Accept(visitor AstVisitor, ctx interface{}) interface{} {
    50  	return visitor.VisitWithQuery(q, ctx)
    51  }