github.com/matrixorigin/matrixone@v0.7.0/pkg/vm/engine/tae/iface/handle/database.go (about)

     1  // Copyright 2021 Matrix Origin
     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 handle
    16  
    17  import "io"
    18  
    19  type Database interface {
    20  	io.Closer
    21  
    22  	GetID() uint64
    23  	GetName() string
    24  	CreateRelation(def any) (Relation, error)
    25  	CreateRelationWithID(def any, id uint64) (Relation, error)
    26  	DropRelationByName(name string) (Relation, error)
    27  	DropRelationByID(id uint64) (Relation, error)
    28  	TruncateByName(name string) (Relation, error)
    29  	TruncateWithID(name string, newTableId uint64) (Relation, error)
    30  	TruncateByID(id uint64, newTableId uint64) (Relation, error)
    31  
    32  	UnsafeGetRelation(id uint64) (Relation, error)
    33  	GetRelationByName(name string) (Relation, error)
    34  	GetRelationByID(id uint64) (Relation, error)
    35  	RelationCnt() int64
    36  	Relations() []Relation
    37  
    38  	MakeRelationIt() RelationIt
    39  	String() string
    40  	GetMeta() any
    41  }