checksum

package

v0.0.0-...-f9f8287 Latest Latest Go to latest Published: Apr 3, 2024 License: Apache-2.0 Imports: 15 Imported by: 0

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Documentation ¶

Overview ¶

Package checksum provides online checksum functionality. Two tables on the same MySQL server can be compared with only an initial lock. It is not in the row/ package because it requires a replClient to be passed in, which would cause a circular dependency.

Index ¶

type Checker
- func NewChecker(db *sql.DB, tbl, newTable *table.TableInfo, feed *repl.Client, ...) (*Checker, error)
type CheckerConfig
- func NewCheckerDefaultConfig() *CheckerConfig

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Checker ¶

type Checker struct {
	sync.Mutex

	ExecTime time.Duration
	// contains filtered or unexported fields
}

func NewChecker ¶

func NewChecker(db *sql.DB, tbl, newTable *table.TableInfo, feed *repl.Client, config *CheckerConfig) (*Checker, error)

NewChecker creates a new checksum object.

func (*Checker) ChecksumChunk ¶

func (c *Checker) ChecksumChunk(trxPool *dbconn.TrxPool, chunk *table.Chunk) error

func (*Checker) DifferencesFound ¶

func (c *Checker) DifferencesFound() uint64

func (*Checker) RecentValue ¶

func (c *Checker) RecentValue() string

func (*Checker) Run ¶

func (c *Checker) Run(ctx context.Context) error

func (*Checker) StartTime ¶

func (c *Checker) StartTime() time.Time

type CheckerConfig ¶

type CheckerConfig struct {
	Concurrency     int
	TargetChunkTime time.Duration
	DBConfig        *dbconn.DBConfig
	Logger          loggers.Advanced
	FixDifferences  bool
}

func NewCheckerDefaultConfig ¶

func NewCheckerDefaultConfig() *CheckerConfig

Source Files ¶

View all Source files

checker.go

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