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# frozen_string_literal: true
class CreateFkMlCandidateMetricsOnCandidateId < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
NEW_CONSTRAINT_NAME = 'fk_ml_candidate_metrics_on_candidate_id'
def up
add_concurrent_foreign_key(
:ml_candidate_metrics,
:ml_candidates,
column: :candidate_id,
on_delete: :cascade,
validate: false,
name: NEW_CONSTRAINT_NAME
)
end
def down
with_lock_retries do
remove_foreign_key_if_exists(
:ml_candidate_metrics,
column: :candidate_id,
on_delete: :cascade,
name: NEW_CONSTRAINT_NAME
)
end
end
end
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