44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
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// Copyright 2015 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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sessionctx
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import (
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"github.com/pingcap/tidb/context"
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"github.com/pingcap/tidb/domain"
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)
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// A dummy type to avoid naming collision in context.
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type domainKeyType int
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// String defines a Stringer function for debugging and pretty printing.
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func (k domainKeyType) String() string {
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return "domain"
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}
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const domainKey domainKeyType = 0
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// BindDomain binds domain to context.
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func BindDomain(ctx context.Context, domain *domain.Domain) {
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ctx.SetValue(domainKey, domain)
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}
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// GetDomain gets domain from context.
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func GetDomain(ctx context.Context) *domain.Domain {
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v, ok := ctx.Value(domainKey).(*domain.Domain)
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if !ok {
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return nil
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}
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return v
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}
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