29 lines
765 B
Go
29 lines
765 B
Go
// Copyright (C) 2017 ScyllaDB
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// Use of this source code is governed by a ALv2-style
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// license that can be found in the LICENSE file.
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package migrate
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import (
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"context"
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"github.com/gocql/gocql"
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)
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// CallbackEvent specifies type of the event when calling CallbackFunc.
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type CallbackEvent uint8
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// enumeration of CallbackEvents
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const (
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BeforeMigration CallbackEvent = iota
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AfterMigration
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)
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// CallbackFunc enables interrupting the migration process and executing code
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// while migrating. If error is returned the migration is aborted.
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type CallbackFunc func(ctx context.Context, session *gocql.Session, ev CallbackEvent, name string) error
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// Callback is called before and after each migration.
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// See CallbackFunc for details.
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var Callback CallbackFunc
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