context

Documentation

Index

• type ValueStoreContext
• type WarnHandler
  • func NewFuncWarnHandlerForTest(fn func(err error)) WarnHandler

Types

type ValueStoreContext

type ValueStoreContext interface {
	// SetValue saves a value associated with this context for key.
	SetValue(key fmt.Stringer, value any)

	// Value returns the value associated with this context for key.
	Value(key fmt.Stringer) any

	// ClearValue clears the value associated with this context for key.
	ClearValue(key fmt.Stringer)
}

ValueStoreContext is a context that can store values.

type WarnHandler

type WarnHandler interface {
	// AppendWarning appends a warning
	AppendWarning(err error)
}

WarnHandler provides a function to add a warning. Using interface rather than a simple function/closure can avoid memory allocation in some cases. See https://github.com/pingcap/tidb/issues/49277

var IgnoreWarn WarnHandler = &ignoreWarn{}

IgnoreWarn is WarnHandler which does nothing

func NewFuncWarnHandlerForTest

func NewFuncWarnHandlerForTest(fn func(err error)) WarnHandler

NewFuncWarnHandlerForTest creates a `WarnHandler` which will use the function to handle warn To have a better performance, it's not suggested to use this function in production.