v9.go
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v9.go
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	/*
	* Copyright © 2020 Musing Studio LLC.
	*
	* This file is part of WriteFreely.
	*
	* WriteFreely is free software: you can redistribute it and/or modify
	* it under the terms of the GNU Affero General Public License, included
	* in the LICENSE file in this source code package.
	*/

	package migrations

	func optimizeDrafts(db *datastore) error {
	t, err := db.Begin()
	if err != nil {
	t.Rollback()
	return err
	}

	if db.driverName == driverSQLite {
	_, err = t.Exec(`CREATE INDEX key_owner_post_id ON posts (owner_id, id)`)
	} else {
	_, err = t.Exec(`ALTER TABLE posts ADD INDEX(owner_id, id)`)
	}
	if err != nil {
	t.Rollback()
	return err
	}

	err = t.Commit()
	if err != nil {
	t.Rollback()
	return err
	}

	return nil
	}