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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
# Backfill group_features for an array of groups
class BackfillGroupFeatures < ::Gitlab::BackgroundMigration::BatchedMigrationJob
def perform(batch_size)
each_sub_batch(
operation_name: :upsert_group_features,
batching_arguments: { order_hint: :type },
batching_scope: ->(relation) { relation.where(type: 'Group') }
) do |sub_batch|
upsert_group_features(sub_batch, batch_size)
end
end
private
def upsert_group_features(relation, batch_size)
connection.execute(
<<~SQL
INSERT INTO group_features (group_id, created_at, updated_at)
SELECT namespaces.id as group_id, now(), now()
FROM namespaces
WHERE namespaces.type = 'Group' AND namespaces.id IN(#{relation.select(:id).limit(batch_size).to_sql})
ON CONFLICT (group_id) DO NOTHING;
SQL
)
end
end
end
end
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