Khurram Faraaz created DRILL-4923:
-------------------------------------
Summary: Use of CASE WHEN inside a sub-query results in
AssertionError
Key: DRILL-4923
URL: https://issues.apache.org/jira/browse/DRILL-4923
Project: Apache Drill
Issue Type: Bug
Components: Query Planning & Optimization
Affects Versions: 1.9.0
Environment: 4 node cluster on CentOS
Reporter: Khurram Faraaz
Priority: Critical
Use of CASE WHEN inside a sub-query results in AssertionError
Drill 1.9.0 git commit ID: f3c26e34
parquet file used in test is attached
{noformat}
0: jdbc:drill:schema=dfs.tmp> select * from (SELECT CASE WHEN 'WA'='WA' THEN
'13' ELSE CAST(state as varchar(2)) end as state_nm from `emp_tbl` as a)
`LOG_FCT` where ('WA'=`LOG_FCT`.`state_nm`);
Error: SYSTEM ERROR: AssertionError: Type mismatch:
rowtype of new rel:
RecordType(CHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" NOT NULL state_nm) NOT NULL
rowtype of set:
RecordType(VARCHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" state_nm) NOT NULL
[Error Id: 59b8da55-cf01-41fe-ba7a-018f7fad2892 on centos-01.qa.lab:31010]
(state=,code=0)
{noformat}
Stack trace from drillbit.log
{noformat}
2016-10-03 09:37:32,756 [280dd922-b97d-2ccd-551c-e425c075d91f:foreman] ERROR
o.a.drill.exec.work.foreman.Foreman - SYSTEM ERROR: AssertionError: Type
mismatch:
rowtype of new rel:
RecordType(CHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" NOT NULL state_nm) NOT NULL
rowtype of set:
RecordType(VARCHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" state_nm) NOT NULL
[Error Id: 59b8da55-cf01-41fe-ba7a-018f7fad2892 on centos-01.qa.lab:31010]
org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: AssertionError:
Type mismatch:
rowtype of new rel:
RecordType(CHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" NOT NULL state_nm) NOT NULL
rowtype of set:
RecordType(VARCHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" state_nm) NOT NULL
[Error Id: 59b8da55-cf01-41fe-ba7a-018f7fad2892 on centos-01.qa.lab:31010]
at
org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:543)
~[drill-common-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at
org.apache.drill.exec.work.foreman.Foreman$ForemanResult.close(Foreman.java:825)
[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at
org.apache.drill.exec.work.foreman.Foreman.moveToState(Foreman.java:935)
[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:281)
[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[na:1.8.0_91]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[na:1.8.0_91]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91]
Caused by: org.apache.drill.exec.work.foreman.ForemanException: Unexpected
exception during fragment initialization: Internal error: Error while applying
rule ProjectMergeRule:force_mode, args
[rel#11115:LogicalProject.NONE.ANY([]).[](input=rel#11103:Subset#6.NONE.ANY([]).[],state_nm='13'),
rel#11107:LogicalProject.NONE.ANY([]).[](input=rel#11095:Subset#4.NONE.ANY([]).[],state=$1)]
... 4 common frames omitted
Caused by: java.lang.AssertionError: Internal error: Error while applying rule
ProjectMergeRule:force_mode, args
[rel#11115:LogicalProject.NONE.ANY([]).[](input=rel#11103:Subset#6.NONE.ANY([]).[],state_nm='13'),
rel#11107:LogicalProject.NONE.ANY([]).[](input=rel#11095:Subset#4.NONE.ANY([]).[],state=$1)]
at org.apache.calcite.util.Util.newInternal(Util.java:792)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:251)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:808)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:303)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:404)
~[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:343)
~[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:240)
~[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:290)
~[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:168)
~[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at
org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:94)
~[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:1008)
[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:264)
[drill-java-exec-1.9.0-SNAPSHOT.jar:1.9.0-SNAPSHOT]
... 3 common frames omitted
Caused by: java.lang.AssertionError: Internal error: Error occurred while
applying rule ProjectMergeRule:force_mode
at org.apache.calcite.util.Util.newInternal(Util.java:792)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:150)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:213)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.rel.rules.ProjectMergeRule.onMatch(ProjectMergeRule.java:118)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:228)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
... 13 common frames omitted
Caused by: java.lang.AssertionError: Type mismatch:
rowtype of new rel:
RecordType(CHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" NOT NULL state_nm) NOT NULL
rowtype of set:
RecordType(VARCHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" state_nm) NOT NULL
at org.apache.calcite.plan.RelOptUtil.equal(RelOptUtil.java:1696)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at org.apache.calcite.plan.volcano.RelSubset.add(RelSubset.java:295)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at org.apache.calcite.plan.volcano.RelSet.add(RelSet.java:147)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoPlanner.addRelToSet(VolcanoPlanner.java:1818)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1760)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:1017)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:1037)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:1940)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
at
org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:138)
~[calcite-core-1.4.0-drill-r17.jar:1.4.0-drill-r17]
... 16 common frames omitted
{noformat}
explain plan did not return any result.
{noformat}
0: jdbc:drill:schema=dfs.tmp> explain plan for select * from (SELECT CASE WHEN
'WA'='WA' THEN '13' ELSE CAST(state as varchar(2)) end as state_nm from
`emp_tbl` as a) `LOG_FCT` where ('WA'=`LOG_FCT`.`state_nm`);
Error: SYSTEM ERROR: AssertionError: Type mismatch:
rowtype of new rel:
RecordType(CHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" NOT NULL state_nm) NOT NULL
rowtype of set:
RecordType(VARCHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
"ISO-8859-1$en_US$primary" state_nm) NOT NULL
[Error Id: 65312464-609a-4839-8ed2-374bab63646c on centos-01.qa.lab:31010]
(state=,code=0)
{noformat}
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