我查看了人们在执行查询时遇到的许多主要错误，我不确定为什么执行这么长时间。
我删除了所有未使用的字段，此查询提取了大约10,000条记录。
我可以做些什么来优化我的查询。
SELECT ord.id AS ord_id,
oli.id AS oli_id,
ord.dealer_code__c AS ord_dealer_code__c,
ord.recordtypeid AS ord_recordtypeid,
ord.order_number__c AS ord_order_number__c,
ord.status AS ord_status,
ord.opportunityid AS ord_opportunityid,
ord.sfid AS ord_sfid,
ord.pricebook2id AS ord_pricebook2id,
cont.opportunity__c AS cont_opportunity__c,
cont.sfid AS cont_sfid,
opp.sfid AS opp_sfid,
opp.recordtypeid AS opp_recordtypeid,
opp.pricebook2id AS opp_pricebook2id,
accban.sfid AS accban_sfid,
accban.ban__c AS accban_ban__c,
usr.sfid AS usr_sfid
FROM fullsbxsalesforce.order ord
LEFT JOIN fullsbxsalesforce.contract cont
ON ord.contractid = cont.sfid
LEFT JOIN fullsbxsalesforce.opportunity opp
ON cont.opportunity__c = opp.sfid
LEFT JOIN fullsbxsalesforce.user usr
ON ( ord.dealer_code__c = usr.dealer_code_bd__c
OR ord.dealer_code__c = usr.dealer_code_co_sell__c
OR ord.dealer_code__c = usr.rep_dealer_code__c
OR ord.dealer_code__c = usr.dealer_code_secondary__c )
LEFT JOIN fullsbxsalesforce.account_ban_tax_id__c accban
ON ord.ban_number__c = accban.ban__c
LEFT JOIN fullsbxsalesforce.orderitem oli
ON oli.sfid = (SELECT sfid
FROM fullsbxsalesforce.orderitem oli
WHERE ord.sfid = oli.orderid
LIMIT 1)
WHERE ord.recordtypeid = 'specificid'
AND ( ord.status IN ( 'Submitted', 'Pending EIP eSignature',
'Partially Shipped',
'In-Fulfilment Queue',
'Locked', 'Pending Approval', 'Resubmitted',
'Pending Order',
'Pending Customer Completion', 'Backorder', 'Draft'
,
'Credit Card Declined',
'External System', 'Shipped/Pending Activation',
'Shipped/Partially Activated'
, 'SAP Order Does not exist',
'Approved', 'Submit Failed for an Easy Order',
'Pending e-Signature',
'e-Signature Complete',
'Credit Card Decline (Hold)', 'Pre-Order',
'In Shipping Queue'
)
OR ( ord.status = 'Shipped'
AND ord.hasmsisdn__c = false
AND ord.last_status_change__c >= CURRENT_DATE -
INTERVAL '7' day ) );
由于 -Tim
编辑： 到目前为止，对于你所有的帮助，查询已经完成了25分钟，返回9.5k记录。
我已将它从java更改为postgres并将sql添加到标记中。
谢谢大家到目前为止
编辑2：我在查询中执行了“EXPLAIN”
Nested Loop Left Join (cost=4283.25..5032.80 rows=2 width=256)
Join Filter: (((ord.dealer_code__c)::text = (usr.dealer_code_bd__c)::text) OR ((ord.dealer_code__c)::text = (usr.dealer_code_co_sell__c)::text) OR ((ord.dealer_code__c)::text = (usr.rep_dealer_code__c)::text) OR ((ord.dealer_code__c)::text = (usr.dealer_code_secondary__c)::text))
-> Nested Loop Left Join (cost=4283.25..4298.93 rows=1 width=237)
-> Nested Loop Left Join (cost=0.34..12.01 rows=1 width=233)
-> Nested Loop Left Join (cost=0.25..7.92 rows=1 width=215)
-> Nested Loop Left Join (cost=0.17..6.99 rows=1 width=158)
-> Index Scan using hc_idx_order_recordtypeid on "order" ord (cost=0.08..2.90 rows=1 width=139)
Index Cond: ((recordtypeid)::text = 'specificid'::text)
Filter: (((status)::text = ANY ('{Submitted,"Pending EIP eSignature","Partially Shipped","In-Fulfilment Queue",Locked,"Pending Approval",Resubmitted,"Pending Order","Pending Customer Completion",Backorder,Draft,"Credit Card Declined","External System","Shipped/Pending Activation","Shipped/Partially Activated","SAP Order Does not exist",Approved,"Submit Failed for an Easy Order","Pending e-Signature","e-Signature Complete","Credit Card Decline (Hold)",Pre-Order,"In Shipping Queue"}'::text[])) OR (((status)::text = 'Shipped'::text) AND (NOT hasmsisdn__c) AND (last_status_change__c >= (('now'::cstring)::date - '7 days'::interval day))))
-> Index Scan using hcu_idx_contract_sfid on contract cont (cost=0.08..4.09 rows=1 width=38)
Index Cond: ((ord.contractid)::text = (sfid)::text)
-> Index Scan using hcu_idx_opportunity_sfid on opportunity opp (cost=0.08..0.93 rows=1 width=57)
Index Cond: ((cont.opportunity__c)::text = (sfid)::text)
-> Index Scan using hcu_idx_account_ban_tax_id__c_ban__c on account_ban_tax_id__c accban (cost=0.08..4.09 rows=1 width=28)
Index Cond: ((ord.ban_number__c)::text = (ban__c)::text)
-> Index Scan using hcu_idx_orderitem_sfid on orderitem oli (cost=4282.91..4286.92 rows=1 width=23)
Index Cond: ((sfid)::text = ((SubPlan 1))::text)
SubPlan 1
-> Limit (cost=0.00..4282.83 rows=1 width=19)
-> Seq Scan on orderitem oli_1 (cost=0.00..25696.96 rows=6 width=19)
Filter: ((ord.sfid)::text = (orderid)::text)
-> Seq Scan on "user" usr (cost=0.00..555.20 rows=35733 width=74)
(22 rows)