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309d564796
issue: #43897 - Part of collection/index related DDL is implemented by WAL-based DDL framework now. - Support following message type in wal, CreateCollection, DropCollection, CreatePartition, DropPartition, CreateIndex, AlterIndex, DropIndex. - Part of collection/index related DDL can be synced by new CDC now. - Refactor some UT for collection/index DDL. - Add Tombstone scheduler to manage the tombstone GC for collection or partition meta. - Move the vchannel allocation into streaming pchannel manager. --------- Signed-off-by: chyezh <chyezh@outlook.com>
37 lines
1.2 KiB
Go
37 lines
1.2 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 tombstone
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import "context"
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type TombstoneSweeper interface {
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AddTombstone(tombstone Tombstone)
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Close()
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}
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// Tombstone is the interface for the tombstone.
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type Tombstone interface {
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// ID returns the unique identifier of the tombstone.
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ID() string
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// ConfirmCanBeRemoved checks if the tombstone can be removed forever.
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ConfirmCanBeRemoved(ctx context.Context) (bool, error)
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// Remove removes the tombstone.
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Remove(ctx context.Context) error
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}
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