Когда я запускаю следующий запрос, моя Netezza NPS перезагружается. Кто-нибудь, пожалуйста, дайте мне знать, что вызывает такое поведение?
select avg ( bse.WEEKS_BETWEEN_RESPONSES_HR ) as g_AVG
, sqlext.median( bse.WEEKS_BETWEEN_RESPONSES_HR ) as g_med
from (
select WEEKS_BETWEEN_RESPONSES_HR
FROM (
select distinct LOYALTY_ACCOUNT_CARD_ID
, BONUS_END_DATE
, LAG(BONUS_END_DATE,1) OVER (partition by LOYALTY_ACCOUNT_CARD_ID order by BONUS_END_DATE) as PRIOR_BONUS_END_DATE
,(( BONUS_END_DATE - PRIOR_BONUS_END_DATE)/7) as WEEKS_BETWEEN_RESPONSES_HR
from JO_ACT_PTD_STEP_1 bse
where upper ( bonus_desc ) like '%SPEND%'
and redemption = 1
) BSE
where WEEKS_BETWEEN_RESPONSES_HR is not null and WEEKS_BETWEEN_RESPONSES_HR > 0
) bse limit 500 ```