github.com/dolthub/go-mysql-server@v0.18.0/sql/plan/versionable.go (about)

     1  // Copyright 2023 Dolthub, 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 plan
    16  
    17  import "github.com/dolthub/go-mysql-server/sql"
    18  
    19  // Versionable represents a plan that contains an AsOf expression.
    20  type Versionable interface {
    21  	sql.Node
    22  	// AsOf returns this table's asof expression.
    23  	AsOf() sql.Expression
    24  	// WithAsOf returns a copy of this versioned table with its AsOf
    25  	// field set to the given value. Analogous to WithChildren.
    26  	WithAsOf(asOf sql.Expression) (sql.Node, error)
    27  }