mirror of https://github.com/pressly/goose.git
24 lines
811 B
Go
24 lines
811 B
Go
// Package lock defines the Locker interface and implements the locking logic.
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package lock
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import (
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"context"
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"database/sql"
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"errors"
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)
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var (
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// ErrLockNotImplemented is returned when the database does not support locking.
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ErrLockNotImplemented = errors.New("lock not implemented")
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// ErrUnlockNotImplemented is returned when the database does not support unlocking.
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ErrUnlockNotImplemented = errors.New("unlock not implemented")
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)
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// SessionLocker is the interface to lock and unlock the database for the duration of a session. The
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// session is defined as the duration of a single connection and both methods must be called on the
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// same connection.
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type SessionLocker interface {
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SessionLock(ctx context.Context, conn *sql.Conn) error
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SessionUnlock(ctx context.Context, conn *sql.Conn) error
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}
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