Teiid: indexOutOfBoundsException on union + count distinct query ----------------------------------------------------------------- Key: TEIID-3993 URL: https://issues.jboss.org/browse/TEIID-3993 Project: Teiid Issue Type: Bug Components: Query Engine Affects Versions: 8.12.3 Environment: Teiid 8.12.3 + posgtesDB Reporter: Ivan Chan Assignee: Steven Hawkins Fix For: 9.0, 8.12.5, 8.13.2 Attachments: teiid_debug.txt, teiid_stack.txt I ran into IndexOfBoundsException from teiid query optimizer when running the following query: select "SugarCRMDataSource_public_sales_location"."country" as "SugarCRMDataSource_public_sales_location_country", "FoodmartDataSource_public_store"."store_country" as "FoodmartDataSource_public_store_store_country", '1|1' as "JS_Discriminator_COL", count(DISTINCT "SugarCRMDataSource_public_sales_fact"."amount") as "CountDistinct_SugarCRMDataSource_public_sales_fact_amount" from "SugarCRMDataSource_public"."sales_fact" "SugarCRMDataSource_public_sales_fact" inner join "SugarCRMDataSource_public"."sales_location" "SugarCRMDataSource_public_sales_location" on ("SugarCRMDataSource_public_sales_fact"."sales_location_id" = "SugarCRMDataSource_public_sales_location"."id") inner join "FoodmartDataSource_public"."store" "FoodmartDataSource_public_store" on ("SugarCRMDataSource_public_sales_location"."state" = "FoodmartDataSource_public_store"."store_state") group by "SugarCRMDataSource_public_sales_location"."country", "FoodmartDataSource_public_store"."store_country" UNION ALL select "SugarCRMDataSource_public_sales_location"."country" as "SugarCRMDataSource_public_sales_location_country", NULL as "FoodmartDataSource_public_store_store_country", '1|0' as "JS_Discriminator_COL", count(DISTINCT "SugarCRMDataSource_public_sales_fact"."amount") as "CountDistinct_SugarCRMDataSource_public_sales_fact_amount" from "SugarCRMDataSource_public"."sales_fact" "SugarCRMDataSource_public_sales_fact" inner join "SugarCRMDataSource_public"."sales_location" "SugarCRMDataSource_public_sales_location" on ("SugarCRMDataSource_public_sales_fact"."sales_location_id" = "SugarCRMDataSource_public_sales_location"."id") inner join "FoodmartDataSource_public"."store" "FoodmartDataSource_public_store" on ("SugarCRMDataSource_public_sales_location"."state" = "FoodmartDataSource_public_store"."store_state") group by "SugarCRMDataSource_public_sales_location"."country" UNION ALL select NULL as "SugarCRMDataSource_public_sales_location_country", "FoodmartDataSource_public_store"."store_country" as "FoodmartDataSource_public_store_store_country", '0|1' as "JS_Discriminator_COL", count(DISTINCT "SugarCRMDataSource_public_sales_fact"."amount") as "CountDistinct_SugarCRMDataSource_public_sales_fact_amount" from "SugarCRMDataSource_public"."sales_fact" "SugarCRMDataSource_public_sales_fact" inner join "SugarCRMDataSource_public"."sales_location" "SugarCRMDataSource_public_sales_location" on ("SugarCRMDataSource_public_sales_fact"."sales_location_id" = "SugarCRMDataSource_public_sales_location"."id") inner join "FoodmartDataSource_public"."store" "FoodmartDataSource_public_store" on ("SugarCRMDataSource_public_sales_location"."state" = "FoodmartDataSource_public_store"."store_state") group by "FoodmartDataSource_public_store"."store_country" UNION ALL select NULL as "SugarCRMDataSource_public_sales_location_country", NULL as "FoodmartDataSource_public_store_store_country", '0|0' as "JS_Discriminator_COL", count(DISTINCT "SugarCRMDataSource_public_sales_fact"."amount") as "CountDistinct_SugarCRMDataSource_public_sales_fact_amount" from "SugarCRMDataSource_public"."sales_fact" "SugarCRMDataSource_public_sales_fact" inner join "SugarCRMDataSource_public"."sales_location" "SugarCRMDataSource_public_sales_location" on ("SugarCRMDataSource_public_sales_fact"."sales_location_id" = "SugarCRMDataSource_public_sales_location"."id") inner join "FoodmartDataSource_public"."store" "FoodmartDataSource_public_store" on ("SugarCRMDataSource_public_sales_location"."state" = "FoodmartDataSource_public_store"."store_state") order by "SugarCRMDataSource_public_sales_location_country", "FoodmartDataSource_public_store_store_country" limit 1000 And here is the exception: Caused by: java.lang.IndexOutOfBoundsException: Index: 4, Size: 4 at java.util.ArrayList.rangeCheck(ArrayList.java:635) at java.util.ArrayList.get(ArrayList.java:411) at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.setColStatEstimates(NewCalculateCostUtil.java:411) at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.setCardinalityEstimate(NewCalculateCostUtil.java:313) at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.estimateSetOpCost(NewCalculateCostUtil.java:252) at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.computeNodeCost(NewCalculateCostUtil.java:204) at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.updateCardinality(NewCalculateCostUtil.java:136) at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.updateCardinality(NewCalculateCostUtil.java:133) at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.updateCardinality(NewCalculateCostUtil.java:133) at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.computeCostForTree(NewCalculateCostUtil.java:122) at org.teiid.query.optimizer.relational.rules.RuleCalculateCost.execute(RuleCalculateCost.java:50) at org.teiid.query.optimizer.relational.RelationalPlanner.executeRules(RelationalPlanner.java:807) at org.teiid.query.optimizer.relational.RelationalPlanner.optimize(RelationalPlanner.java:223) at org.teiid.query.optimizer.QueryOptimizer.optimizePlan(QueryOptimizer.java:159) at org.teiid.dqp.internal.process.Request.generatePlan(Request.java:435) at org.teiid.dqp.internal.process.PreparedStatementRequest.generatePlan(PreparedStatementRequest.java:119) at org.teiid.dqp.internal.process.Request.processRequest(Request.java:463) at org.teiid.dqp.internal.process.PreparedStatementRequest.processRequest(PreparedStatementRequest.java:294) at org.teiid.dqp.internal.process.RequestWorkItem.processNew(RequestWorkItem.java:640) at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:337) ... 22 more