tidb errors 源码
tidb errors 代码
文件路径：/ddl/placement/errors.go
// Copyright 2021 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package placement
import (
"errors"
)
var (
// ErrInvalidConstraintFormat is from constraint.go.
ErrInvalidConstraintFormat = errors.New("label constraint should be in format '{+|-}key=value'")
// ErrUnsupportedConstraint is from constraint.go.
ErrUnsupportedConstraint = errors.New("unsupported label constraint")
// ErrConflictingConstraints is from constraints.go.
ErrConflictingConstraints = errors.New("conflicting label constraints")
// ErrInvalidConstraintsMapcnt is from rule.go.
ErrInvalidConstraintsMapcnt = errors.New("label constraints in map syntax have invalid replicas")
// ErrInvalidConstraintsFormat is from rule.go.
ErrInvalidConstraintsFormat = errors.New("invalid label constraints format")
// ErrInvalidConstraintsRelicas is from rule.go.
ErrInvalidConstraintsRelicas = errors.New("label constraints with invalid REPLICAS")
// ErrInvalidBundleID is from bundle.go.
ErrInvalidBundleID = errors.New("invalid bundle ID")
// ErrInvalidBundleIDFormat is from bundle.go.
ErrInvalidBundleIDFormat = errors.New("invalid bundle ID format")
// ErrLeaderReplicasMustOne is from bundle.go.
ErrLeaderReplicasMustOne = errors.New("REPLICAS must be 1 if ROLE=leader")
// ErrMissingRoleField is from bundle.go.
ErrMissingRoleField = errors.New("the ROLE field is not specified")
// ErrNoRulesToDrop is from bundle.go.
ErrNoRulesToDrop = errors.New("no rule of such role to drop")
// ErrInvalidPlacementOptions is from bundle.go.
ErrInvalidPlacementOptions = errors.New("invalid placement option")
// ErrInvalidConstraintsMappingWrongSeparator is wrong separator in mapping.
ErrInvalidConstraintsMappingWrongSeparator = errors.New("mappings use a colon and space (“: ”) to mark each key/value pair")
// ErrInvalidConstraintsMappingNoColonFound is no colon found in mapping.
ErrInvalidConstraintsMappingNoColonFound = errors.New("no colon found")
)
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