gonews/vendor/github.com/pressly/goose/status.go

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2019-09-09 21:52:32 +05:00
package goose
import (
"database/sql"
"fmt"
"path/filepath"
"time"
"github.com/pkg/errors"
)
// Status prints the status of all migrations.
func Status(db *sql.DB, dir string) error {
// collect all migrations
migrations, err := CollectMigrations(dir, minVersion, maxVersion)
if err != nil {
return errors.Wrap(err, "failed to collect migrations")
}
// must ensure that the version table exists if we're running on a pristine DB
if _, err := EnsureDBVersion(db); err != nil {
return errors.Wrap(err, "failed to ensure DB version")
}
log.Println(" Applied At Migration")
log.Println(" =======================================")
for _, migration := range migrations {
if err := printMigrationStatus(db, migration.Version, filepath.Base(migration.Source)); err != nil {
return errors.Wrap(err, "failed to print status")
}
}
return nil
}
func printMigrationStatus(db *sql.DB, version int64, script string) error {
q := fmt.Sprintf("SELECT tstamp, is_applied FROM %s WHERE version_id=%d ORDER BY tstamp DESC LIMIT 1", TableName(), version)
var row MigrationRecord
err := db.QueryRow(q).Scan(&row.TStamp, &row.IsApplied)
if err != nil && err != sql.ErrNoRows {
return errors.Wrap(err, "failed to query the latest migration")
}
var appliedAt string
if row.IsApplied {
appliedAt = row.TStamp.Format(time.ANSIC)
} else {
appliedAt = "Pending"
}
log.Printf(" %-24s -- %v\n", appliedAt, script)
return nil
}