<commit_before>exports.up = (knex, Promise) => knex.schema.alterTable('alternative_login', (t) => {
  t.integer('group_id').nullable().alter();
});

exports.down = (knex, Promise) => knex.schema.alterTable('alternative_login', (t) => {
  t.integer('group_id').notNullable().alter();
});<commit_msg>Migrating down fails if there is nulls<commit_after>exports.up = (knex, Promise) => knex.schema.alterTable('alternative_login', (t) => {
  t.integer('group_id').nullable().alter();
});

exports.down = (knex, Promise) => Promise.resolve();
{'fraction_non_alphanumeric': 0.21641791044776118, 'fraction_numerical': 0.0, 'mean_word_length': 6.458333333333333, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 10, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1088450', 'n_tokens_mistral': 181, 'n_tokens_neox': 182, 'n_words': 28}