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author | Stan Hu <stanhu@gmail.com> | 2017-08-02 16:58:28 -0700 |
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committer | Stan Hu <stanhu@gmail.com> | 2017-08-02 16:58:28 -0700 |
commit | 408df2edcbd5f3f93ef5541bac9de2b71ba4f0ea (patch) | |
tree | 708ae61f9683b48f436f7577d1fad98f30e100fc /db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb | |
parent | 3f81586ef0ab20533b8da1213bd9f60e1786dbaa (diff) | |
parent | faa2a123911eaf84bb57163ea7af759d4632601b (diff) | |
download | gitlab-ce-408df2edcbd5f3f93ef5541bac9de2b71ba4f0ea.tar.gz |
Merge branch 'master' into sh-headless-chrome-support
Diffstat (limited to 'db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb')
-rw-r--r-- | db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb b/db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb new file mode 100644 index 00000000000..46497775527 --- /dev/null +++ b/db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb @@ -0,0 +1,40 @@ +# See http://doc.gitlab.com/ce/development/migration_style_guide.html +# for more information on how to write migrations for GitLab. + +class CorrectProtectedBranchesForeignKeys < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + # Set this constant to true if this migration requires downtime. + DOWNTIME = false + + disable_ddl_transaction! + + def up + remove_foreign_key_without_error(:protected_branch_push_access_levels, + column: :protected_branch_id) + + execute <<-EOF + DELETE FROM protected_branch_push_access_levels + WHERE NOT EXISTS ( + SELECT true + FROM protected_branches + WHERE protected_branch_push_access_levels.protected_branch_id = protected_branches.id + ) + AND protected_branch_id IS NOT NULL + EOF + + add_concurrent_foreign_key(:protected_branch_push_access_levels, + :protected_branches, + column: :protected_branch_id) + end + + def down + # Previously there was a foreign key without a CASCADING DELETE, so we'll + # just leave the foreign key in place. + end + + def remove_foreign_key_without_error(*args) + remove_foreign_key(*args) + rescue ArgumentError + end +end |