mirror of
https://gitee.com/milvus-io/milvus.git
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99 lines
3.2 KiB
Go
99 lines
3.2 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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"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-proto/go-api/v2/milvuspb"
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"github.com/milvus-io/milvus/internal/metastore/model"
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"github.com/milvus-io/milvus/internal/util/proxyutil"
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"github.com/milvus-io/milvus/pkg/v2/log"
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)
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type createAliasTask struct {
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baseTask
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Req *milvuspb.CreateAliasRequest
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}
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func (t *createAliasTask) Prepare(ctx context.Context) error {
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if err := CheckMsgType(t.Req.GetBase().GetMsgType(), commonpb.MsgType_CreateAlias); err != nil {
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return err
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}
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return nil
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}
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func (t *createAliasTask) Execute(ctx context.Context) error {
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oldColl, err := t.core.meta.GetCollectionByName(ctx, t.Req.GetDbName(), t.Req.GetCollectionName(), t.ts)
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if err != nil {
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log.Ctx(ctx).Warn("get collection failed during create alias",
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zap.String("collectionName", t.Req.GetCollectionName()), zap.Uint64("ts", t.ts))
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return err
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}
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return executeCreateAliasTaskSteps(ctx, t.core, t.Req, oldColl, t.GetTs())
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}
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func (t *createAliasTask) GetLockerKey() LockerKey {
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return NewLockerKeyChain(
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NewClusterLockerKey(false),
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NewDatabaseLockerKey(t.Req.GetDbName(), false),
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NewCollectionLockerKey(t.Req.GetCollectionName(), true),
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)
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}
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func executeCreateAliasTaskSteps(ctx context.Context, core *Core, req *milvuspb.CreateAliasRequest, oldColl *model.Collection, ts Timestamp) error {
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redoTask := newBaseRedoTask(core.stepExecutor)
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// properties needs to be refreshed in the cache
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aliases := core.meta.ListAliasesByID(ctx, oldColl.CollectionID)
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redoTask.AddSyncStep(&expireCacheStep{
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baseStep: baseStep{core: core},
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dbName: req.GetDbName(),
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collectionNames: append(aliases, req.GetCollectionName()),
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collectionID: oldColl.CollectionID,
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opts: []proxyutil.ExpireCacheOpt{proxyutil.SetMsgType(commonpb.MsgType_CreateAlias)},
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})
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redoTask.AddSyncStep(&CreateAliasStep{
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baseStep: baseStep{core: core},
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Req: req,
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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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type CreateAliasStep struct {
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baseStep
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Req *milvuspb.CreateAliasRequest
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ts Timestamp
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}
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func (c *CreateAliasStep) Execute(ctx context.Context) ([]nestedStep, error) {
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err := c.core.meta.CreateAlias(ctx, c.Req.GetDbName(), c.Req.GetAlias(), c.Req.GetCollectionName(), c.ts)
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return nil, err
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}
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func (c *CreateAliasStep) Desc() string {
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return fmt.Sprintf("create alias %s, for collection %s", c.Req.GetAlias(), c.Req.GetCollectionName())
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}
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