github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/rpc/adaptors.go (about)

     1  // Copyright 2022 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 rpc
    16  
    17  import (
    18  	"context"
    19  
    20  	"github.com/matrixorigin/matrixone/pkg/common/moerr"
    21  	"github.com/matrixorigin/matrixone/pkg/container/batch"
    22  	"github.com/matrixorigin/matrixone/pkg/logutil"
    23  	"github.com/matrixorigin/matrixone/pkg/vm/engine"
    24  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/catalog"
    25  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/common"
    26  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/containers"
    27  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/iface/handle"
    28  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/options"
    29  )
    30  
    31  func CreateRelation(
    32  	_ context.Context,
    33  	dbH handle.Database,
    34  	name string,
    35  	id uint64,
    36  	defs []engine.TableDef) (err error) {
    37  	schema, err := DefsToSchema(name, defs)
    38  	if err != nil {
    39  		return
    40  	}
    41  	schema.BlockMaxRows = options.DefaultBlockMaxRows
    42  	schema.ObjectMaxBlocks = options.DefaultBlocksPerObject
    43  	_, err = dbH.CreateRelationWithID(schema, id)
    44  	return err
    45  }
    46  
    47  func TableDefs(rel handle.Relation) ([]engine.TableDef, error) {
    48  	schema := rel.Schema().(*catalog.Schema)
    49  	return SchemaToDefs(schema)
    50  }
    51  
    52  func TableNamesOfDB(db handle.Database) ([]string, error) {
    53  	var names []string
    54  
    55  	it := db.MakeRelationIt()
    56  	for it.Valid() {
    57  		names = append(names, it.GetRelation().Schema().(*catalog.Schema).Name)
    58  		it.Next()
    59  	}
    60  	return names, nil
    61  }
    62  
    63  func AppendDataToTable(ctx context.Context, rel handle.Relation, bat *batch.Batch) (err error) {
    64  	tnBat := containers.ToTNBatch(bat, common.WorkspaceAllocator)
    65  	defer tnBat.Close()
    66  	err = rel.Append(ctx, tnBat)
    67  	return
    68  }
    69  
    70  func GetHideKeysOfTable(rel handle.Relation) ([]*engine.Attribute, error) {
    71  	schema := rel.Schema().(*catalog.Schema)
    72  	if schema.PhyAddrKey == nil {
    73  		return nil, moerr.NewNotSupportedNoCtx("system table has no rowid")
    74  	}
    75  	key := new(engine.Attribute)
    76  	key.Name = schema.PhyAddrKey.Name
    77  	key.Type = schema.PhyAddrKey.Type
    78  	key.IsRowId = true
    79  	// key.IsHidden = true
    80  	logutil.Debugf("GetHideKey: %v", key)
    81  	return []*engine.Attribute{key}, nil
    82  }