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請查看以下在其模式中具有聚合表的mondrian多維數據集上創建JPivot視圖時生成的查詢。在Pentaho Aggregation Designer中創建的聚合表在查詢的from子句中不存在
select
`Dim_Time`.`Time_Id` as `c0`,
`Dim_Time`.`month_no` as `c1`
from
`Dim_Time` as `Dim_Time`
where
`Dim_Time`.`Time_Id` = `AggTable1`.`Dim_Time_Month_(Key)`
group by
`Dim_Time`.`Time_Id`,
`Dim_Time`.`month_no`
order by
ISNULL(`Dim_Time`.`Time_Id`) ASC, `Dim_Time`.`Time_Id` ASC
爲什麼AggTable1不在from子句中？表&特定列存在於數據庫中。