From cfd103dbb55a37393966b764a55e0fe67b0232c3 Mon Sep 17 00:00:00 2001 From: Drew Blessing Date: Mon, 25 Jul 2016 10:01:02 -0500 Subject: Disable MySQL foreign key checks before dropping all tables --- CHANGELOG | 1 + lib/tasks/gitlab/db.rake | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/CHANGELOG b/CHANGELOG index 4d2c281b82d..02a7e2519d1 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -14,6 +14,7 @@ v 8.11.0 (unreleased) v 8.10.2 (unreleased) - User can now search branches by name. !5144 - Fix backup restore. !5459 + - Disable MySQL foreign key checks before dropping all tables. !5472 - Use project ID in repository cache to prevent stale data from persisting across projects. !5460 v 8.10.1 diff --git a/lib/tasks/gitlab/db.rake b/lib/tasks/gitlab/db.rake index 0ec19e1a625..7c96bc864ce 100644 --- a/lib/tasks/gitlab/db.rake +++ b/lib/tasks/gitlab/db.rake @@ -25,6 +25,10 @@ namespace :gitlab do desc 'Drop all tables' task :drop_tables => :environment do connection = ActiveRecord::Base.connection + + # If MySQL, turn off foreign key checks + connection.execute('SET FOREIGN_KEY_CHECKS=0') if Gitlab::Database.mysql? + tables = connection.tables tables.delete 'schema_migrations' # Truncate schema_migrations to ensure migrations re-run @@ -35,6 +39,9 @@ namespace :gitlab do # MySQL: http://dev.mysql.com/doc/refman/5.7/en/drop-table.html # Add `IF EXISTS` because cascade could have already deleted a table. tables.each { |t| connection.execute("DROP TABLE IF EXISTS #{connection.quote_table_name(t)} CASCADE") } + + # If MySQL, re-enable foreign key checks + connection.execute('SET FOREIGN_KEY_CHECKS=1') if Gitlab::Database.mysql? end desc 'Configures the database by running migrate, or by loading the schema and seeding if needed' -- cgit v1.2.1