What's your Kylin version? Kylin 2.4 and above should already support this.
Best regards, Shaofeng Shi 史少锋 Apache Kylin PMC Email: [email protected] Apache Kylin FAQ: https://kylin.apache.org/docs/gettingstarted/faq.html Join Kylin user mail group: [email protected] Join Kylin dev mail group: [email protected] Jayakumar Balasubramanya <[email protected]> 于2019年4月25日周四 下午1:42写道： > Hi, > > I am facing a specific limitation when trying to roll-up a > metric conditionally. We are using case statement to either choose the > metric or 0 and then doing a SUM on top of it. The condition is set on a > dimension which is part of the cube. Getting an exception as stated below. > > > > Query Not working: > > > > Select Sum(Case when cyc_xxx_cyclesdelinquent>=2 THEN CYC_XXX_BALANCEADB > ELSE 0 end) from fct_profit_table_monthly > > group by cyc_xxx_cyclesdelinquent > > > > This is the exception for it: > > > > No realization found for OLAPContext, > CUBE_UNMATCHED_AGGREGATION[FunctionDesc [expression=SUM, > parameter=CASE(>=($9, 2), CAST($4):DECIMAL(14, 4), 0), returnType=null]], > rel#1153:OLAPTableScan.OLAP.[](table=[DEFAULT, > FCT_PROFIT_TABLE_MONTHLY],ctx=,fields=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, > 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, > 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, > 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, > 68, 69, 70]) while executing SQL: "Select Sum(Case when > cyc_xxx_cyclesdelinquent>=2 THEN CYC_XXX_BALANCEADB ELSE 0 end) from > fct_profit_table_monthly group by cyc_xxx_cyclesdelinquent LIMIT 50000" > > > > > > This one works on Kylin: > > SELECT CASE WHEN cyc_xxx_cyclesdelinquent>=2 THEN delinquent_bal ELSE 0 > END FROM (Select SUM(Cyc_xxx_BalanceAdb) as delinquent_bal, > cyc_xxx_cyclesdelinquent from fct_profit_table_monthly > > group by cyc_xxx_cyclesdelinquent) > > > > > > Regards, > > JK >
