KnexJs Multiple Table In Single Migration

rename_products_to_finished_goods.js

exports.up = function(knex, Promise) {
  return renameProductsTable()
    .then(updateRecordsReferences)
    .then(updateSummariesReferences);

  function renameProductsTable() {
    return knex.schema.renameTable('products', 'finished_goods');
  }

  function updateRecordsReferences() {
    return knex.schema.table('records', function(t) {
      t.dropForeign('product_id');
      t.renameColumn('product_id', 'program_id');
      t.foreign('program_id').references('id').inTable('finished_goods').onDelete('cascade');
    })
  }

  function updateSummariesReferences() {
    return knex.schema.table('summaries', function(t) {
      t.dropForeign('product_id');
      t.renameColumn('product_id', 'program_id');
      t.foreign('program_id').references('id').inTable('finished_goods').onDelete('cascade');
    })
  }
};

exports.down = function(knex, Promise) {
  return renamefinished_goodsTable()
    .then(updateRecordsReferences)
    .then(updateSummariesReferences);

  function renameProgramsTable() {
    return knex.schema.renameTable('finished_goods', 'products');
  }

  function updateRecordsReferences() {
    return knex.schema.table('records', function(t) {
      t.dropForeign('program_id');
      t.renameColumn('program_id', 'product_id');
      t.foreign('product_id').references('id').inTable('products').onDelete('cascade');
    })
  }

  function updateSummariesReferences() {
    return knex.schema.table('summaries', function(t) {
      t.dropForeign('program_id');
      t.renameColumn('program_id', 'product_id');
      t.foreign('product_id').references('id').inTable('products').onDelete('cascade');
    })
  }
};