1 files changed, 0 insertions, 57 deletions
diff --git a/db/migrate/20210106191305_rename_indexes_on_git_lab_com.rb b/db/migrate/20210106191305_rename_indexes_on_git_lab_com.rb
deleted file mode 100644
index 5238192e1d1..00000000000
--- a/db/migrate/20210106191305_rename_indexes_on_git_lab_com.rb
+++ /dev/null
@@ -1,57 +0,0 @@
-# frozen_string_literal: true
-
-# This migration aligns an existing database schema with what we actually expect
-# and fixes inconsistencies with index names and similar issues.
-#
-# This is intended for GitLab.com, but can be run on any instance.
-class RenameIndexesOnGitLabCom < ActiveRecord::Migration[6.0]
-  include Gitlab::Database::MigrationHelpers
-
-  DOWNTIME = false
-
-  disable_ddl_transaction!
-
-  def up
-    rename_index_if_exists :ldap_group_links, 'ldap_groups_pkey', 'ldap_group_links_pkey'
-
-    # Removes unique constraint, add unique index instead
-    replace_unique_constraint_with_index :emails, :email, 'emails_email_key', 'index_emails_on_email'
-    replace_unique_constraint_with_index :users, :confirmation_token, 'users_confirmation_token_key', 'index_users_on_confirmation_token'
-    replace_unique_constraint_with_index :users, :reset_password_token, 'users_reset_password_token_key', 'index_users_on_reset_password_token'
-    replace_unique_constraint_with_index :users, :email, 'users_email_key', 'index_users_on_email'
-
-    upgrade_to_primary_key(:schema_migrations, :version, 'schema_migrations_version_key', 'schema_migrations_pkey')
-  end
-
-  def down
-    # no-op
-  end
-
-  private
-
-  def replace_unique_constraint_with_index(table, columns, old_name, new_name)
-    return unless index_exists_by_name?(table, old_name)
-
-    add_concurrent_index table, columns, unique: true, name: new_name
-    execute "ALTER TABLE #{quote_table_name(table)} DROP CONSTRAINT #{quote_table_name(old_name)}"
-  end
-
-  def rename_index_if_exists(table, old_name, new_name)
-    return unless index_exists_by_name?(table, old_name)
-    return if index_exists_by_name?(table, new_name)
-
-    with_lock_retries do
-      rename_index table, old_name, new_name
-    end
-  end
-
-  def upgrade_to_primary_key(table, column, old_name, new_name)
-    return unless index_exists_by_name?(table, old_name)
-    return if index_exists_by_name?(table, new_name)
-
-    return if primary_key(table)
-
-    execute "ALTER TABLE #{quote_table_name(table)} ADD CONSTRAINT #{new_name} PRIMARY KEY (#{column})"
-    execute "ALTER TABLE #{quote_table_name(table)} DROP CONSTRAINT #{old_name}"
-  end
-end