56 lines
1.9 KiB
Go
56 lines
1.9 KiB
Go
// Copyright 2021 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 placement
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import (
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"fmt"
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)
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const (
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// BundleIDPrefix is the bundle prefix of all rule bundles from TiDB_DDL statements.
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BundleIDPrefix = "TiDB_DDL_"
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// PDBundleID is the bundle name of pd, the default bundle for all regions.
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PDBundleID = "pd"
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)
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// GroupID accepts a tableID or whatever integer, and encode the integer into a valid GroupID for PD.
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func GroupID(id int64) string {
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return fmt.Sprintf("%s%d", BundleIDPrefix, id)
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}
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const (
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// RuleIndexTable is the index for a rule of table.
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RuleIndexTable = 40
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// RuleIndexPartition is the index for a rule of partition.
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RuleIndexPartition = 80
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// RuleIndexTiFlash is the index for a rule of TiFlash.
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RuleIndexTiFlash = 120
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)
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const (
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// DCLabelKey indicates the key of label which represents the dc for Store.
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// FIXME: currently we assumes "zone" is the dcLabel key in Store
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DCLabelKey = "zone"
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// EngineLabelKey is the label that indicates the backend of store instance:
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// tikv or tiflash. TiFlash instance will contain a label of 'engine: tiflash'.
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EngineLabelKey = "engine"
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// EngineLabelTiFlash is the label value, which a TiFlash instance will have with
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// a label key of EngineLabelKey.
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EngineLabelTiFlash = "tiflash"
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// EngineLabelTiKV is the label value used in some tests. And possibly TiKV will
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// set the engine label with a value of EngineLabelTiKV.
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EngineLabelTiKV = "tikv"
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)
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