我有一个 sql 查询,它只从 View 中获取一条记录。我的观点是由很多功能组成的。它返回大约 60,000 条记录。我想从这个视图中获取的最高记录需要 8-9 秒。我如何优化我的视图,使其最多需要 1-2 秒。这是我的视图和sql查询。请帮忙!任何建议都将是可观的。提前致谢。
CREATE View dbo.OMOrderPrePaymentINT
As
select
dbo.int_payment_customer_number_out('','OMOrderPaymentMasterINT',payment_id)
as customer_number,
dbo.int_customer_name_out('','OMOrderPaymentMasterINT',payment_id)
as customer_name,
dbo.int_FormatDate('','OMOrderPaymentMasterINT',document_date)
as payment_date,
dbo.int_payment_amount_out('','OMOrderPaymentMasterINT',document_amount)
as payment_amount,
dbo.int_checkbook_id_out('','OMOrderPaymentMasterINT',null)
as checkbook_id,
dbo.int_cheque_number_out('','OMOrderPaymentMasterINT',payment_id)
as cheque_number,
dbo.int_cc_type_out ('','OMOrderPaymentMasterINT',payment_id)
as cc_type,
dbo.int_cc_number_out('','OMOrderPaymentMasterINT',payment_id)
as cc_number,
dbo.int_cc_authcode_out('','OMOrderPaymentMasterINT',payment_id)
as cc_authcode,
dbo.int_ach_account_type_out('','OMOrderPaymentMasterINT',payment_id)
as ach_account_type,
dbo.int_ach_account_number_out('','OMOrderPaymentMasterINT',payment_id)
as ach_account_number,
dbo.int_ach_authcode_out('','OMOrderPaymentMasterINT',payment_id)
as ach_authcode,
dbo.int_expiration_date_out('','OMOrderPaymentMasterINT',payment_id)
as creditcard_expiration_date,
dbo.int_order_payment_type_out('','OMOrderPaymentMasterINT',payment_id)
as payment_type,
dbo.int_payment_method_out('','OMOrderPaymentMasterINT',payment_id)
as payment_method,
dbo.int_erp_payment_action_out('','OMOrderPaymentMasterINT',null)
as [action],
dbo.int_modified_user_id_out('','',null)
as modified_user_id,
'NOT MAPPED'
as void_date,
export_completed
as exportcompleted,
dbo.int_ordergroup_id_out('','OMOrderPaymentMasterINT',payment_id)
as ordergroup_id,
'ECOM'
as USRDEFND1,
dbo.int_ResponseToken_out('','OMOrderPaymentMasterINT',payment_id)
as USRDEFND4,
dbo.int_transaction_id_out('','OMOrderPaymentMasterINT',payment_id)
as USRDEFND5
from PaymentLine
where dbo.int_exportPayment(payment_id) = 1
SQL查询
select top 1 *
from OMOrderPrePaymentINT
where ordergroup_id = '943177C1-50B6-4E7C-A442-BA90CF2A03F6'
order by payment_date desc