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# frozen_string_literal: true
class UpdateIndexOnAlertsToExcludeNullFingerprints < Gitlab::Database::Migration[2.0]
disable_ddl_transaction!
OLD_INDEX_NAME = 'index_partial_am_alerts_on_project_id_and_fingerprint'
NEW_INDEX_NAME = 'index_unresolved_alerts_on_project_id_and_fingerprint'
def up
add_concurrent_index :alert_management_alerts,
[:project_id, :fingerprint],
where: "fingerprint IS NOT NULL and status <> 2",
name: NEW_INDEX_NAME,
unique: true
remove_concurrent_index_by_name :alert_management_alerts, OLD_INDEX_NAME
end
def down
add_concurrent_index :alert_management_alerts,
[:project_id, :fingerprint],
where: "status <> 2",
name: OLD_INDEX_NAME,
unique: true
remove_concurrent_index_by_name :alert_management_alerts, NEW_INDEX_NAME
end
end
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