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63 lines
2.0 KiB
Go
63 lines
2.0 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/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/util/proxyutil"
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"github.com/milvus-io/milvus/pkg/util"
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)
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type dropDatabaseTask struct {
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baseTask
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Req *milvuspb.DropDatabaseRequest
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}
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func (t *dropDatabaseTask) Prepare(ctx context.Context) error {
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if t.Req.GetDbName() == util.DefaultDBName {
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return fmt.Errorf("can not drop default database")
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}
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return nil
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}
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func (t *dropDatabaseTask) Execute(ctx context.Context) error {
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redoTask := newBaseRedoTask(t.core.stepExecutor)
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dbName := t.Req.GetDbName()
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ts := t.GetTs()
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redoTask.AddSyncStep(&deleteDatabaseMetaStep{
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baseStep: baseStep{core: t.core},
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databaseName: dbName,
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ts: ts,
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})
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redoTask.AddAsyncStep(&expireCacheStep{
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baseStep: baseStep{core: t.core},
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dbName: dbName,
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ts: ts,
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// make sure to send the "expire cache" request
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// because it won't send this request when the length of collection names array is zero
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collectionNames: []string{""},
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opts: []proxyutil.ExpireCacheOpt{
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proxyutil.SetMsgType(commonpb.MsgType_DropDatabase),
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},
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})
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return redoTask.Execute(ctx)
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}
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