我有 2 个带有分组集的查询。在做分组集之前，我检查过结果是完全一样的。L_TIM_53_ID 和 L_TIM_54_ID 的值始终为 2458120。但我通过以下 2 个查询得到了不同的结果。
查询 A，
SELECT NVL(TABLE_A.PRD_LVL_MEMBER_ID,2147483647) AS L_PRD_1_ID
,NVL(TABLE_A.TIM_52_ID,2147483647) AS L_TIM_52_ID
,NVL(TABLE_A.TIM_53_ID,2147483647) AS L_TIM_53_ID
,NVL(TABLE_A.TIM_54_ID,2147483647) AS L_TIM_54_ID
,sum(ADJ_BOOK_HISTORY) AS M_ADJ_BOOK_HISTORY
FROM (SELECT TIM_LEVEL_ID,TIM_LVL_MEMBER_ID,TIM_51_ID,TIM_54_ID,TIM_53_ID,TIM_52_ID,DCS_LVL_MEMBER_ID,PRD_LVL_MEMBER_ID,CUS_LVL_MEMBER_ID,ORG_LVL_MEMBER_ID FROM TABLE_A,(SELECT TIM_LEVEL_ID,TIM_LVL_MEMBER_ID,TIM_51_ID,TIM_54_ID,TIM_53_ID,TIM_52_ID
FROM MSC_DIMENSION_TIM_DYD
WHERE ((MSC_DIMENSION_TIM_DYD.TIM_53_ID IN (2458120)) AND (MSC_DIMENSION_TIM_DYD.TIM_54_ID IN (2458120)))
AND TIM_LEVEL_ID = 51
AND AGGR_TIM_LEVEL_ID = 51
GROUP BY TIM_LEVEL_ID,TIM_LVL_MEMBER_ID,TIM_51_ID,TIM_54_ID,TIM_53_ID,TIM_52_ID) MISSING_DATES) TABLE_A
,TABLE_B
WHERE TABLE_A.TIM_LVL_MEMBER_ID = TABLE_B.TIM_LVL_MEMBER_ID(+)
AND TABLE_A.DCS_LVL_MEMBER_ID = TABLE_B.DCS_LVL_MEMBER_ID(+)
AND TABLE_A.PRD_LVL_MEMBER_ID = TABLE_B.PRD_LVL_MEMBER_ID(+)
AND TABLE_A.CUS_LVL_MEMBER_ID = TABLE_B.CUS_LVL_MEMBER_ID(+)
AND TABLE_A.ORG_LVL_MEMBER_ID = TABLE_B.ORG_LVL_MEMBER_ID(+)
GROUP BY GROUPING SETS (
(TABLE_A.TIM_54_ID)
,(TABLE_A.PRD_LVL_MEMBER_ID,TABLE_A.TIM_52_ID,TABLE_A.TIM_53_ID,TABLE_A.TIM_54_ID)
)
查询 B，
SELECT NVL(TABLE_A.PRD_LVL_MEMBER_ID,2147483647) AS L_PRD_1_ID
,NVL(TABLE_A.TIM_52_ID,2147483647) AS L_TIM_52_ID
,NVL(TABLE_A.TIM_53_ID,2147483647) AS L_TIM_53_ID
,NVL(TABLE_A.TIM_54_ID,2147483647) AS L_TIM_54_ID
,sum(ADJ_BOOK_HISTORY) AS M_ADJ_BOOK_HISTORY
FROM (SELECT TIM_LEVEL_ID,TIM_LVL_MEMBER_ID,TIM_51_ID,TIM_54_ID,TIM_53_ID,TIM_52_ID,DCS_LVL_MEMBER_ID,PRD_LVL_MEMBER_ID,CUS_LVL_MEMBER_ID,ORG_LVL_MEMBER_ID FROM TABLE_A,(SELECT TIM_LEVEL_ID,TIM_LVL_MEMBER_ID,TIM_51_ID,TIM_54_ID,TIM_53_ID,TIM_52_ID
FROM MSC_DIMENSION_TIM_DYD
WHERE ((MSC_DIMENSION_TIM_DYD.TIM_53_ID IN (2458120)))
AND TIM_LEVEL_ID = 51
AND AGGR_TIM_LEVEL_ID = 51
GROUP BY TIM_LEVEL_ID,TIM_LVL_MEMBER_ID,TIM_51_ID,TIM_54_ID,TIM_53_ID,TIM_52_ID) MISSING_DATES) TABLE_A
,TABLE_B
WHERE TABLE_A.TIM_LVL_MEMBER_ID = TABLE_B.TIM_LVL_MEMBER_ID(+)
AND TABLE_A.DCS_LVL_MEMBER_ID = TABLE_B.DCS_LVL_MEMBER_ID(+)
AND TABLE_A.PRD_LVL_MEMBER_ID = TABLE_B.PRD_LVL_MEMBER_ID(+)
AND TABLE_A.CUS_LVL_MEMBER_ID = TABLE_B.CUS_LVL_MEMBER_ID(+)
AND TABLE_A.ORG_LVL_MEMBER_ID = TABLE_B.ORG_LVL_MEMBER_ID(+)
GROUP BY GROUPING SETS (
(TABLE_A.TIM_54_ID)
,(TABLE_A.PRD_LVL_MEMBER_ID,TABLE_A.TIM_52_ID,TABLE_A.TIM_53_ID,TABLE_A.TIM_54_ID)
)
查询 A 的结果，
12143 2458120 2458120 2458120 25.4794520578945205476403721461486967
12143 2458151 2458120 2458120 23.0136986329369863010945296803923712
12143 2458179 2458120 2458120 25.4794520578945205476403721461486967
2147483647 2147483647 2147483647 2147483647 73.9726027487260273963752739726897647
查询 B 的结果，
12143 2458120 2458120 2458120 25.47945205789452054764037214614869673869
12143 2458151 2458120 2458120 23.01369863293698630109452968039237124785
12143 2458179 2458120 2458120 25.47945205789452054764037214614869673869
2147483647 2147483647 2147483647 2458120 73.97260274872602739637527397268976472523
我们可以清楚地看到发出的组集是针对TABLE_A.TIM_54_ID的，我不知道这两个 SQL 有什么区别。为什么他们返回不同的结果？