How to use

Umzug

in

umzug

 await db.umzug.up();
 await seedDb();
} catch (e) {

await db.umzug.up();

static migrate() {
  const run_migrate = ()=>{
   // https://github.com/sequelize/umzug
   const Umzug = require('umzug');
   const Sequelize = require('sequelize');
   const umzugs = [Photo, Thumbnail, Preview, Album].map((model)=>{
    return new Umzug({
     storage: 'Sequelize',
     storageOptions: {
      model: model,
      columnName: 'migration',
      columnType: new Sequelize.STRING(100)
     }
    });
   });
   console.log('database file', DbFileName);
   umzugs.forEach((umzug)=>{
    umzug.execute({migrations:[''], method: 'up'})
    .then(umzug, console.log)
   });
  }
  Photo.count().catch((e)=>{
   run_migrate();
  });
 }