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https://gitee.com/milvus-io/milvus.git
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94 lines
2.6 KiB
Go
94 lines
2.6 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rootcoord
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import (
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"context"
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"fmt"
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"github.com/cockroachdb/errors"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
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"github.com/milvus-io/milvus/pkg/log"
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)
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type alterDatabaseTask struct {
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baseTask
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Req *rootcoordpb.AlterDatabaseRequest
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}
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func (a *alterDatabaseTask) Prepare(ctx context.Context) error {
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if a.Req.GetDbName() == "" {
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return fmt.Errorf("alter database failed, database name does not exists")
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}
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return nil
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}
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func (a *alterDatabaseTask) Execute(ctx context.Context) error {
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// Now we only support alter properties of database
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if a.Req.GetProperties() == nil {
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return errors.New("only support alter database properties, but database properties is empty")
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}
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oldDB, err := a.core.meta.GetDatabaseByName(ctx, a.Req.GetDbName(), a.ts)
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if err != nil {
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log.Ctx(ctx).Warn("get database failed during changing database props",
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zap.String("databaseName", a.Req.GetDbName()), zap.Uint64("ts", a.ts))
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return err
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}
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newDB := oldDB.Clone()
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ret := updateProperties(oldDB.Properties, a.Req.GetProperties())
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newDB.Properties = ret
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ts := a.GetTs()
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redoTask := newBaseRedoTask(a.core.stepExecutor)
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redoTask.AddSyncStep(&AlterDatabaseStep{
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baseStep: baseStep{core: a.core},
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oldDB: oldDB,
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newDB: newDB,
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ts: ts,
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})
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return redoTask.Execute(ctx)
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}
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func updateProperties(oldProps []*commonpb.KeyValuePair, updatedProps []*commonpb.KeyValuePair) []*commonpb.KeyValuePair {
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props := make(map[string]string)
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for _, prop := range oldProps {
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props[prop.Key] = prop.Value
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}
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for _, prop := range updatedProps {
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props[prop.Key] = prop.Value
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}
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propKV := make([]*commonpb.KeyValuePair, 0)
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for key, value := range props {
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propKV = append(propKV, &commonpb.KeyValuePair{
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Key: key,
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Value: value,
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})
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}
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return propKV
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}
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