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Posted to issues@drill.apache.org by "Sudheesh Katkam (JIRA)" <ji...@apache.org> on 2015/04/13 22:28:12 UTC
[jira] [Updated] (DRILL-2770) Aggregate query returns
AssertionError: star should have been expanded
[ https://issues.apache.org/jira/browse/DRILL-2770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sudheesh Katkam updated DRILL-2770:
-----------------------------------
Description:
Aggregate query that should return maximum value, reports an AssertionError.
Test was performed on 4 node cluster on CentOS.
{code}
0: jdbc:drill:> select max(columns[0]) from (select * from `countries.csv` offset 1) tmp order by tmp.columns[1];
Query failed: AssertionError: star should have been expanded
Error: exception while executing query: Failure while executing query. (state=,code=0)
0: jdbc:drill:> select max(tmp.columns[0]) from (select * from `countries.csv` offset 1) tmp order by tmp.columns[1];
Query failed: AssertionError: star should have been expanded
Error: exception while executing query: Failure while executing query. (state=,code=0)
{code}
Aggregate query to get the maximum value from columns[0]
{code}
0: jdbc:drill:> select max(columns[0]) from `countries.csv`;
+------------+
| EXPR$0 |
+------------+
| 302802,"VE","Venezuela","SA","http://en.wikipedia.org/wiki/Venezuela", |
+------------+
1 row selected (0.372 seconds)
{code}
query without the order by, returns results. Although it should have returned just the maximum value in that column, we also see some other data returned by the query. We do not see the assertion when the order by is removed.
{code}
0: jdbc:drill:> select max(tmp.columns[0]) from (select * from `countries.csv` offset 1) tmp;
+------------+
| EXPR$0 |
+------------+
| 302802,"VE","Venezuela","SA","http://en.wikipedia.org/wiki/Venezuela", |
+------------+
1 row selected (0.192 seconds)
{code}
Note that there is header information in the CSV file in the first row.
{code}
0: jdbc:drill:> select * from `countries.csv` limit 2;
+------------+
| columns |
+------------+
| ["\"id\",\"code\",\"name\",\"continent\",\"wikipedia_link\",\"keywords\""] |
| ["302672,\"AD\",\"Andorra\",\"EU\",\"http://en.wikipedia.org/wiki/Andorra\","] |
+------------+
2 rows selected (0.14 seconds)
{code}
Snippet from CSV data file
{code}
[root@centos-01 airport_CSV_data]# head -10 countries.csv
"id","code","name","continent","wikipedia_link","keywords"
302672,"AD","Andorra","EU","http://en.wikipedia.org/wiki/Andorra",
302618,"AE","United Arab Emirates","AS","http://en.wikipedia.org/wiki/United_Arab_Emirates","UAE"
302619,"AF","Afghanistan","AS","http://en.wikipedia.org/wiki/Afghanistan",
302722,"AG","Antigua and Barbuda","NA","http://en.wikipedia.org/wiki/Antigua_and_Barbuda",
302723,"AI","Anguilla","NA","http://en.wikipedia.org/wiki/Anguilla",
302673,"AL","Albania","EU","http://en.wikipedia.org/wiki/Albania",
302620,"AM","Armenia","AS","http://en.wikipedia.org/wiki/Armenia",
302556,"AO","Angola","AF","http://en.wikipedia.org/wiki/Angola",
302615,"AQ","Antarctica","AN","http://en.wikipedia.org/wiki/Antarctica",
{code}
Stack trace from drillbit.log
{code}
2015-04-13 20:09:18,198 [2ad3dd91-0f3b-b882-8ae6-45f8ad208fb6:foreman] ERROR o.a.drill.exec.work.foreman.Foreman - Error 4eee026f-6235-45a8-84b1-dd8302edec3c: AssertionError: star should have been expanded
org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception during fragment initialization: star should have been expanded
at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:213) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_75]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
Caused by: java.lang.AssertionError: star should have been expanded
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:81) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlIdentifier.accept(SqlIdentifier.java:222) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:107) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlOperator.acceptCall(SqlOperator.java:688) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:139) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlCall.accept(SqlCall.java:125) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:107) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlOperator.acceptCall(SqlOperator.java:688) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:139) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlCall.accept(SqlCall.java:125) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggregatingSelectScope.checkAggregateExpr(AggregatingSelectScope.java:155) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggregatingSelectScope.validateExpr(AggregatingSelectScope.java:164) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.OrderByScope.validateExpr(OrderByScope.java:100) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateExpr(SqlValidatorImpl.java:3150) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateOrderItem(SqlValidatorImpl.java:2965) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateOrderList(SqlValidatorImpl.java:2949) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:2829) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:85) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:785) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:774) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlSelect.validate(SqlSelect.java:211) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:748) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:464) ~[optiq-core-0.9-drill-r20.jar:na]
at net.hydromatic.optiq.prepare.PlannerImpl.validate(PlannerImpl.java:174) ~[optiq-core-0.9-drill-r20.jar:na]
at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.validateNode(DefaultSqlHandler.java:157) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:133) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:145) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:773) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:204) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
... 3 common frames omitted
{code}
was:
Aggregate query that should return maximum value, reports an AssertionError.
Test was performed on 4 node cluster on CentOS.
{code}
0: jdbc:drill:> select max(columns[0]) from (select * from `countries.csv` offset 1) tmp order by tmp.columns[1];
Query failed: AssertionError: star should have been expanded
Error: exception while executing query: Failure while executing query. (state=,code=0)
0: jdbc:drill:> select max(tmp.columns[0]) from (select * from `countries.csv` offset 1) tmp order by tmp.columns[1];
Query failed: AssertionError: star should have been expanded
Error: exception while executing query: Failure while executing query. (state=,code=0)
Aggregate query to get the maximum value from columns[0]
0: jdbc:drill:> select max(columns[0]) from `countries.csv`;
+------------+
| EXPR$0 |
+------------+
| 302802,"VE","Venezuela","SA","http://en.wikipedia.org/wiki/Venezuela", |
+------------+
1 row selected (0.372 seconds)
query without the order by, returns results. Although it should have returned just the maximum value in that column, we also see some other data returned by the query. We do not see the assertion when the order by is removed.
0: jdbc:drill:> select max(tmp.columns[0]) from (select * from `countries.csv` offset 1) tmp;
+------------+
| EXPR$0 |
+------------+
| 302802,"VE","Venezuela","SA","http://en.wikipedia.org/wiki/Venezuela", |
+------------+
1 row selected (0.192 seconds)
Note that there is header information in the CSV file in the first row.
0: jdbc:drill:> select * from `countries.csv` limit 2;
+------------+
| columns |
+------------+
| ["\"id\",\"code\",\"name\",\"continent\",\"wikipedia_link\",\"keywords\""] |
| ["302672,\"AD\",\"Andorra\",\"EU\",\"http://en.wikipedia.org/wiki/Andorra\","] |
+------------+
2 rows selected (0.14 seconds)
Snippet from CSV data file
[root@centos-01 airport_CSV_data]# head -10 countries.csv
"id","code","name","continent","wikipedia_link","keywords"
302672,"AD","Andorra","EU","http://en.wikipedia.org/wiki/Andorra",
302618,"AE","United Arab Emirates","AS","http://en.wikipedia.org/wiki/United_Arab_Emirates","UAE"
302619,"AF","Afghanistan","AS","http://en.wikipedia.org/wiki/Afghanistan",
302722,"AG","Antigua and Barbuda","NA","http://en.wikipedia.org/wiki/Antigua_and_Barbuda",
302723,"AI","Anguilla","NA","http://en.wikipedia.org/wiki/Anguilla",
302673,"AL","Albania","EU","http://en.wikipedia.org/wiki/Albania",
302620,"AM","Armenia","AS","http://en.wikipedia.org/wiki/Armenia",
302556,"AO","Angola","AF","http://en.wikipedia.org/wiki/Angola",
302615,"AQ","Antarctica","AN","http://en.wikipedia.org/wiki/Antarctica",
Stack trace from drillbit.log
2015-04-13 20:09:18,198 [2ad3dd91-0f3b-b882-8ae6-45f8ad208fb6:foreman] ERROR o.a.drill.exec.work.foreman.Foreman - Error 4eee026f-6235-45a8-84b1-dd8302edec3c: AssertionError: star should have been expanded
org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception during fragment initialization: star should have been expanded
at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:213) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_75]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
Caused by: java.lang.AssertionError: star should have been expanded
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:81) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlIdentifier.accept(SqlIdentifier.java:222) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:107) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlOperator.acceptCall(SqlOperator.java:688) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:139) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlCall.accept(SqlCall.java:125) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:107) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlOperator.acceptCall(SqlOperator.java:688) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:139) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlCall.accept(SqlCall.java:125) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggregatingSelectScope.checkAggregateExpr(AggregatingSelectScope.java:155) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AggregatingSelectScope.validateExpr(AggregatingSelectScope.java:164) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.OrderByScope.validateExpr(OrderByScope.java:100) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateExpr(SqlValidatorImpl.java:3150) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateOrderItem(SqlValidatorImpl.java:2965) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateOrderList(SqlValidatorImpl.java:2949) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:2829) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:85) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:785) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:774) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.SqlSelect.validate(SqlSelect.java:211) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:748) ~[optiq-core-0.9-drill-r20.jar:na]
at org.eigenbase.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:464) ~[optiq-core-0.9-drill-r20.jar:na]
at net.hydromatic.optiq.prepare.PlannerImpl.validate(PlannerImpl.java:174) ~[optiq-core-0.9-drill-r20.jar:na]
at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.validateNode(DefaultSqlHandler.java:157) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:133) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:145) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:773) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:204) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
... 3 common frames omitted
{code}
> Aggregate query returns AssertionError: star should have been expanded
> ----------------------------------------------------------------------
>
> Key: DRILL-2770
> URL: https://issues.apache.org/jira/browse/DRILL-2770
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.9.0
> Environment: | 393a8affdab9b93093a7afcc81d016e720d7781f | MD-192: CONVERT_FROM in where clause | 25.03.2015 @ 17:57:28 EDT
> Reporter: Khurram Faraaz
> Assignee: Jinfeng Ni
>
> Aggregate query that should return maximum value, reports an AssertionError.
> Test was performed on 4 node cluster on CentOS.
> {code}
> 0: jdbc:drill:> select max(columns[0]) from (select * from `countries.csv` offset 1) tmp order by tmp.columns[1];
> Query failed: AssertionError: star should have been expanded
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> 0: jdbc:drill:> select max(tmp.columns[0]) from (select * from `countries.csv` offset 1) tmp order by tmp.columns[1];
> Query failed: AssertionError: star should have been expanded
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> Aggregate query to get the maximum value from columns[0]
> {code}
> 0: jdbc:drill:> select max(columns[0]) from `countries.csv`;
> +------------+
> | EXPR$0 |
> +------------+
> | 302802,"VE","Venezuela","SA","http://en.wikipedia.org/wiki/Venezuela", |
> +------------+
> 1 row selected (0.372 seconds)
> {code}
> query without the order by, returns results. Although it should have returned just the maximum value in that column, we also see some other data returned by the query. We do not see the assertion when the order by is removed.
> {code}
> 0: jdbc:drill:> select max(tmp.columns[0]) from (select * from `countries.csv` offset 1) tmp;
> +------------+
> | EXPR$0 |
> +------------+
> | 302802,"VE","Venezuela","SA","http://en.wikipedia.org/wiki/Venezuela", |
> +------------+
> 1 row selected (0.192 seconds)
> {code}
> Note that there is header information in the CSV file in the first row.
> {code}
> 0: jdbc:drill:> select * from `countries.csv` limit 2;
> +------------+
> | columns |
> +------------+
> | ["\"id\",\"code\",\"name\",\"continent\",\"wikipedia_link\",\"keywords\""] |
> | ["302672,\"AD\",\"Andorra\",\"EU\",\"http://en.wikipedia.org/wiki/Andorra\","] |
> +------------+
> 2 rows selected (0.14 seconds)
> {code}
> Snippet from CSV data file
> {code}
> [root@centos-01 airport_CSV_data]# head -10 countries.csv
> "id","code","name","continent","wikipedia_link","keywords"
> 302672,"AD","Andorra","EU","http://en.wikipedia.org/wiki/Andorra",
> 302618,"AE","United Arab Emirates","AS","http://en.wikipedia.org/wiki/United_Arab_Emirates","UAE"
> 302619,"AF","Afghanistan","AS","http://en.wikipedia.org/wiki/Afghanistan",
> 302722,"AG","Antigua and Barbuda","NA","http://en.wikipedia.org/wiki/Antigua_and_Barbuda",
> 302723,"AI","Anguilla","NA","http://en.wikipedia.org/wiki/Anguilla",
> 302673,"AL","Albania","EU","http://en.wikipedia.org/wiki/Albania",
> 302620,"AM","Armenia","AS","http://en.wikipedia.org/wiki/Armenia",
> 302556,"AO","Angola","AF","http://en.wikipedia.org/wiki/Angola",
> 302615,"AQ","Antarctica","AN","http://en.wikipedia.org/wiki/Antarctica",
> {code}
> Stack trace from drillbit.log
> {code}
> 2015-04-13 20:09:18,198 [2ad3dd91-0f3b-b882-8ae6-45f8ad208fb6:foreman] ERROR o.a.drill.exec.work.foreman.Foreman - Error 4eee026f-6235-45a8-84b1-dd8302edec3c: AssertionError: star should have been expanded
> org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception during fragment initialization: star should have been expanded
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:213) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_75]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
> Caused by: java.lang.AssertionError: star should have been expanded
> at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:81) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.SqlIdentifier.accept(SqlIdentifier.java:222) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:107) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.SqlOperator.acceptCall(SqlOperator.java:688) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:139) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.SqlCall.accept(SqlCall.java:125) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:107) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.SqlOperator.acceptCall(SqlOperator.java:688) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:139) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.AggChecker.visit(AggChecker.java:31) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.SqlCall.accept(SqlCall.java:125) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.AggregatingSelectScope.checkAggregateExpr(AggregatingSelectScope.java:155) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.AggregatingSelectScope.validateExpr(AggregatingSelectScope.java:164) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.OrderByScope.validateExpr(OrderByScope.java:100) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SqlValidatorImpl.validateExpr(SqlValidatorImpl.java:3150) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SqlValidatorImpl.validateOrderItem(SqlValidatorImpl.java:2965) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SqlValidatorImpl.validateOrderList(SqlValidatorImpl.java:2949) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:2829) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:85) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:785) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:774) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.SqlSelect.validate(SqlSelect.java:211) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:748) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:464) ~[optiq-core-0.9-drill-r20.jar:na]
> at net.hydromatic.optiq.prepare.PlannerImpl.validate(PlannerImpl.java:174) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.validateNode(DefaultSqlHandler.java:157) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:133) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:145) ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:773) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:204) [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> ... 3 common frames omitted
> {code}
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