原始查詢返回259行。修改後,查詢返回271行。這十二行是重複的。我怎樣才能避免這種情況?謝謝你的幫助!!查詢修改後重複的行
查詢(修改粗體):
select "Item", "Expires", "Lot #", "Subinv", "Locator", "Qty", "UOM", "Lead Time"
,(select count(*) from MTL_KANBAN_CARDS_V kb where exp.inventory_item_id = kb.inventory_item_id and kb.card_status_name <> 'Hold') "Kanban Cards (Not On Hold)"
FROM (
SELECT msi.inventory_item_id
,msi.segment1 "Item"
,mln.expiration_date "Expires"
,mln.lot_number "Lot #"
,moqd.subinventory_code "Subinv"
,mil.segment1 "Locator"
,sum(moqd.primary_transaction_quantity) "Qty"
,msi.primary_uom_code "UOM"
**,muc.conversion_rate "UOM Conversion Rate"**
,msi.FULL_LEAD_TIME "Lead Time"
FROM mtl_system_items_b msi
,mtl_onhand_quantities_detail moqd
,mtl_lot_numbers mln
,mtl_item_locations mil
**,mtl_uom_conversions muc**
WHERE msi.organization_id = 101
AND moqd.inventory_item_id = msi.inventory_item_id
AND moqd.organization_id = msi.organization_id
**AND muc.inventory_item_id (+) = msi.inventory_item_id**
AND mln.inventory_item_id = msi.inventory_item_id
AND mln.organization_id = msi.organization_id
AND mln.lot_number = moqd.lot_number
AND mln.expiration_date <= SYSDATE+365
AND mil.organization_id(+) = moqd.organization_id
AND mil.inventory_location_id(+) = moqd.locator_id
GROUP BY msi.inventory_item_id
,msi.segment1
,mln.expiration_date
,mln.lot_number
,moqd.subinventory_code
,mil.segment1
,msi.primary_uom_code
**,muc.conversion_rate**
,msi.FULL_LEAD_TIME
ORDER BY msi.segment1
,mln.expiration_date
,mln.lot_number) exp
保證mtl_uom_conversions不包含任何重複的inventory_item_id? –
我不相信這是有保證的。我不在IT中,所以不能確定。 – ERKSMTY
它們是完全重複的,即使是'conversion_rate'值?如果不是,你想保留哪個? (另外,你應該考慮使用現代的外連接語法,而不是Oracle的舊語法。選擇列表中的子查詢看起來很奇怪,不能是另一個連接嗎?)。 –