clair/database/pgsql/migrations/util.go
2019-03-05 11:42:59 -05:00

45 lines
1.4 KiB
Go

// Copyright 2019 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package migrations
import "github.com/remind101/migrate"
// MigrationQuery contains the Up migration and Down migration in Plain strings.
type MigrationQuery struct {
Up []string
Down []string
}
// ConcatMigrationQueries concats migration queries in the give order.
func ConcatMigrationQueries(qs []MigrationQuery) MigrationQuery {
r := MigrationQuery{}
for _, q := range qs {
r.Up = append(r.Up, q.Up...)
r.Down = append(r.Down, q.Down...)
}
return r
}
// NewSimpleMigration returns a simple migration plan with all provided
// migration queries concatted in order.
func NewSimpleMigration(id int, qs []MigrationQuery) migrate.Migration {
q := ConcatMigrationQueries(qs)
return migrate.Migration{
ID: id,
Up: migrate.Queries(q.Up),
Down: migrate.Queries(q.Down),
}
}