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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
# A job to update semver column in ci_runners in batches based on existing version values
class BackfillCiRunnerSemver < Gitlab::BackgroundMigration::BatchedMigrationJob
def perform
each_sub_batch(
operation_name: :backfill_ci_runner_semver,
batching_scope: ->(relation) { relation.where('semver::cidr IS NULL') }
) do |sub_batch|
ranged_query = sub_batch.select(
%q(id AS r_id,
substring(ci_runners.version FROM 'v?(\d+\.\d+\.\d+)') AS extracted_semver)
)
update_sql = <<~SQL
UPDATE
ci_runners
SET semver = extracted_semver
FROM (#{ranged_query.to_sql}) v
WHERE id = v.r_id
AND v.extracted_semver IS NOT NULL
SQL
connection.execute(update_sql)
end
end
end
end
end
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