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Update decreased-performance-run-aggregating-clause.md #1958

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Update decreased-performance-run-aggregating-clause.md
erikdarlingdata Nov 3, 2025
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Update decreased-performance-run-aggregating-clause.md
erikdarlingdata Nov 3, 2025
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17 changes: 10 additions & 7 deletions ...sql/database-engine/performance/decreased-performance-run-aggregating-clause.md
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Expand Up @@ -61,13 +61,16 @@ To work around this issue, follow these steps:
```sql
SELECT TOP 3 A.c1, A.c2
FROM sys.partitions AS P
CROSS APPLY ( SELECT TOP 3 T1.c1, T2.c2)
FROM dbo.T1
WHERE $PARTITION.PF1(T1.col1) = P.partition_number
ORDER BY T1.c1 ) AS A
WHERE P.object_id = OBJECT_ID('dbo.T1')
AND P.index_id = INDEXPROPERTY( OBJECTID('dbo.T1'), 'idx_c1', 'INDEXID')
ORDER BY a;
CROSS APPLY
(
SELECT TOP 3 T1.c1, T2.c2
FROM dbo.T1
WHERE $PARTITION.PF1(T1.col1) = P.partition_number
ORDER BY T1.c1
) AS A
WHERE P.object_id = OBJECT_ID('dbo.T1')
AND P.index_id = INDEXPROPERTY(OBJECT_ID('dbo.T1'), 'idx_c1', 'INDEXID')
ORDER BY a.T1;
```

> [!NOTE]
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