github.com/rohankumardubey/aresdb@v0.0.2-0.20190517170215-e54e3ca06b9c/query/sql/tree/AllColumns.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  // AllColumns are AllColumns
    18  type AllColumns struct {
    19  	// SelectItem is ISelectItem
    20  	ISelectItem
    21  	// Prefix is QualifiedName
    22  	Prefix *QualifiedName
    23  }
    24  
    25  // NewAllColumns creates AllColumns
    26  func NewAllColumns(location *NodeLocation, prefix *QualifiedName) *AllColumns {
    27  	return &AllColumns{
    28  		NewSelectItem(location),
    29  		prefix,
    30  	}
    31  }
    32  
    33  // Accept accepts visitor
    34  func (n *AllColumns) Accept(visitor AstVisitor, ctx interface{}) interface{} {
    35  	return visitor.VisitAllColumns(n, ctx)
    36  }