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 }