0fc9f9d3e7
DB schema generated by a migration may look different in rails 4 and 5 (because rails 5 may use different default values). For this reason it's important to explicitly set for which rails version a migration was written for. See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
105 lines
2.7 KiB
Ruby
105 lines
2.7 KiB
Ruby
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class RemoveUndeletedGroups < ActiveRecord::Migration[4.2]
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DOWNTIME = false
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def up
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is_ee = defined?(Gitlab::License)
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if is_ee
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execute <<-EOF.strip_heredoc
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DELETE FROM path_locks
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WHERE project_id IN (
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SELECT project_id
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FROM projects
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WHERE namespace_id IN (#{namespaces_pending_removal})
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);
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EOF
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execute <<-EOF.strip_heredoc
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DELETE FROM remote_mirrors
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WHERE project_id IN (
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SELECT project_id
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FROM projects
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WHERE namespace_id IN (#{namespaces_pending_removal})
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);
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EOF
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end
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execute <<-EOF.strip_heredoc
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DELETE FROM lists
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WHERE label_id IN (
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SELECT id
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FROM labels
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WHERE group_id IN (#{namespaces_pending_removal})
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);
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EOF
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execute <<-EOF.strip_heredoc
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DELETE FROM lists
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WHERE board_id IN (
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SELECT id
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FROM boards
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WHERE project_id IN (
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SELECT project_id
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FROM projects
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WHERE namespace_id IN (#{namespaces_pending_removal})
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)
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);
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EOF
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execute <<-EOF.strip_heredoc
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DELETE FROM labels
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WHERE group_id IN (#{namespaces_pending_removal});
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EOF
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execute <<-EOF.strip_heredoc
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DELETE FROM boards
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WHERE project_id IN (
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SELECT project_id
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FROM projects
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WHERE namespace_id IN (#{namespaces_pending_removal})
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)
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EOF
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execute <<-EOF.strip_heredoc
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DELETE FROM projects
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WHERE namespace_id IN (#{namespaces_pending_removal});
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EOF
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if is_ee
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# EE adds these columns but we have to make sure this data is cleaned up
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# here before we run the DELETE below. An alternative would be patching
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# this migration in EE but this will only result in a mess and confusing
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# migrations.
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execute <<-EOF.strip_heredoc
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DELETE FROM protected_branch_push_access_levels
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WHERE group_id IN (#{namespaces_pending_removal});
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EOF
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execute <<-EOF.strip_heredoc
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DELETE FROM protected_branch_merge_access_levels
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WHERE group_id IN (#{namespaces_pending_removal});
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EOF
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end
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# This removes namespaces that were supposed to be deleted but still reside
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# in the database.
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execute "DELETE FROM namespaces WHERE deleted_at IS NOT NULL;"
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end
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def down
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# This is an irreversible migration;
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# If someone is trying to rollback for other reasons, we should not throw an Exception.
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# raise ActiveRecord::IrreversibleMigration
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end
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def namespaces_pending_removal
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"SELECT id FROM (
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SELECT id
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FROM namespaces
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WHERE deleted_at IS NOT NULL
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) namespace_ids"
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end
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end
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