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migrate.go
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/
migrate.go
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package db
import (
"fmt"
"github.com/go-gorp/gorp"
"github.com/lib/pq"
migrate "github.com/rubenv/sql-migrate"
"github.com/coreos/dex/db/migrations"
)
const (
migrationDialect = "postgres"
migrationTable = "dex_migrations"
migrationDir = "db/migrations"
)
func init() {
migrate.SetTable(migrationTable)
}
func MigrateToLatest(dbMap *gorp.DbMap) (int, error) {
source := getSource()
return migrate.Exec(dbMap.Db, migrationDialect, source, migrate.Up)
}
func MigrateMaxMigrations(dbMap *gorp.DbMap, max int) (int, error) {
source := getSource()
return migrate.ExecMax(dbMap.Db, migrationDialect, source, migrate.Up, max)
}
func GetPlannedMigrations(dbMap *gorp.DbMap) ([]*migrate.PlannedMigration, error) {
migrations, _, err := migrate.PlanMigration(dbMap.Db, migrationDialect, getSource(), migrate.Up, 0)
return migrations, err
}
func DropMigrationsTable(dbMap *gorp.DbMap) error {
qt := pq.QuoteIdentifier(migrationTable)
_, err := dbMap.Exec(fmt.Sprintf("drop table if exists %s ;", qt))
return err
}
func getSource() migrate.MigrationSource {
return &migrate.AssetMigrationSource{
Dir: migrationDir,
Asset: migrations.Asset,
AssetDir: migrations.AssetDir,
}
}