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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
# Backfill project namespace_details for a range of projects
class BackfillProjectNamespaceDetails < ::Gitlab::BackgroundMigration::BatchedMigrationJob
operation_name :backfill_project_namespace_details
feature_category :database
def perform
each_sub_batch do |sub_batch|
upsert_project_namespace_details(sub_batch)
end
end
def upsert_project_namespace_details(relation)
connection.execute(
<<~SQL
INSERT INTO namespace_details (description, description_html, cached_markdown_version, created_at, updated_at, namespace_id)
SELECT projects.description, projects.description_html, projects.cached_markdown_version, now(), now(), projects.project_namespace_id
FROM projects
WHERE projects.id IN(#{relation.select(:id).to_sql})
ON CONFLICT (namespace_id) DO NOTHING;
SQL
)
end
end
end
end
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