funcCheckLatestVersion¶

func CheckLatestVersion(sourceDriversource.Driver, currentVersionuint)error

Returns nil if currentVersion corresponds to the latest available migration,otherwise an error explaining why not.

funcDown¶

func Down(db *sql.DB)error

Down runs all down SQL migrations.

funcEnsureClean¶

func EnsureClean(db *sql.DB)error

EnsureClean checks whether all migrations for the current version have beenapplied, without making any changes to the database. If not, returns anon-nil error.

funcStepper¶added inv0.12.6

func Stepper(db *sql.DB) (next func() (versionuint, morebool, errerror), errerror)

Stepper returns a function that runs SQL migrations one step at a time.

Stepper cannot be closed pre-emptively, it must be run to completion(or until an error is encountered).

funcUp¶

func Up(db *sql.DB) (retErrerror)

Up runs SQL migrations to ensure the database schema is up-to-date.