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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
# Backfill group_features for an array of groups
class BackfillGroupFeatures < ::Gitlab::BackgroundMigration::BaseJob
include Gitlab::Database::DynamicModelHelpers
def perform(start_id, end_id, batch_table, batch_column, sub_batch_size, pause_ms, batch_size)
pause_ms = 0 if pause_ms < 0
parent_batch_relation = relation_scoped_to_range(batch_table, batch_column, start_id, end_id)
parent_batch_relation.each_batch(column: batch_column, of: sub_batch_size, order_hint: :type) do |sub_batch|
batch_metrics.time_operation(:upsert_group_features) do
upsert_group_features(sub_batch, batch_size)
end
sleep(pause_ms * 0.001)
end
end
def batch_metrics
@batch_metrics ||= Gitlab::Database::BackgroundMigration::BatchMetrics.new
end
private
def relation_scoped_to_range(source_table, source_key_column, start_id, stop_id)
define_batchable_model(source_table, connection: connection)
.where(source_key_column => start_id..stop_id)
.where(type: 'Group')
end
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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