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From "Khurram Faraaz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2724) Implicit cast test fails in Union All query (reports type mismatch)
Date Wed, 08 Apr 2015 21:45:12 GMT
Khurram Faraaz created DRILL-2724:
-------------------------------------

             Summary: Implicit cast test fails in Union All query (reports type mismatch)
                 Key: DRILL-2724
                 URL: https://issues.apache.org/jira/browse/DRILL-2724
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning & Optimization
    Affects Versions: 0.9.0
         Environment: 4 node cluster on CentOS
| 9d92b8e319f2d46e8659d903d355450e15946533 | DRILL-2580: Exit early from HashJoinBatch if
build side is empty | 26.03.2015 @ 16:13:53 EDT
            Reporter: Khurram Faraaz
            Assignee: Jinfeng Ni


Test that performs implicit cast in a Union All query fails. Each CSV file has only numeric
data. Test was performed on 4 node cluster.

{code}
With casting, assuming implicit casting would work. Data in each of the csv files is numeric.

0: jdbc:drill:> select * from (select cast(columns[0] as bigint) from `bgint_f.csv` union
all select cast(columns[0] as char(2)) from `char_f.csv` union all select cast(columns[0]
as double) from `dbl_f.csv` union all select cast(columns[0] as float) from `float_f.csv`
union all select cast(columns[0] as int) from `int_f.csv` union all select cast(columns[0]
as varchar(100)) from `vchar_f.csv`) order by EXPR$0;
Query failed: SqlValidatorException: Type mismatch in column 1 of UNION ALL

Error: exception while executing query: Failure while executing query. (state=,code=0)

explain plan did not return the physical plan

0: jdbc:drill:> explain plan for select * from (select cast(columns[0] as bigint) from
`bgint_f.csv` union all select cast(columns[0] as char(2)) from `char_f.csv` union all select
cast(columns[0] as double) from `dbl_f.csv` union all select cast(columns[0] as float) from
`float_f.csv` union all select cast(columns[0] as int) from `int_f.csv` union all select cast(columns[0]
as varchar(100)) from `vchar_f.csv`) order by EXPR$0;
Query failed: SqlValidatorException: Type mismatch in column 1 of UNION ALL

Error: exception while executing query: Failure while executing query. (state=,code=0)

Stack trace from drillbit.log

2015-04-08 21:30:44,553 [2ada61fa-8207-279a-97fd-b40631cdb151:foreman] ERROR o.a.drill.exec.work.foreman.Foreman
- Error 00ab460b-d2be-441e-8baa-0a8ff474769e: SqlValidatorException: Type mismatch in column
1 of UNION ALL
org.apache.drill.exec.planner.sql.QueryInputException: Failure validating SQL. org.eigenbase.util.EigenbaseContextException:
From line 1, column 23 to line 1, column 48: Type mismatch in column 1 of UNION ALL
        at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:147)
~[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]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[na:1.7.0_75]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[na:1.7.0_75]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
Caused by: net.hydromatic.optiq.tools.ValidationException: org.eigenbase.util.EigenbaseContextException:
From line 1, column 23 to line 1, column 48: Type mismatch in column 1 of UNION ALL
        at net.hydromatic.optiq.prepare.PlannerImpl.validate(PlannerImpl.java:176) ~[optiq-core-0.9-drill-r20.jar:na]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.validateNode(DefaultSqlHandler.java:157)
~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:133)
~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:145)
~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
        ... 5 common frames omitted
Caused by: org.eigenbase.util.EigenbaseContextException: From line 1, column 23 to line 1,
column 48: Type mismatch in column 1 of UNION ALL
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.7.0_75]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
~[na:1.7.0_75]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
~[na:1.7.0_75]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526) ~[na:1.7.0_75]
        at org.eigenbase.resource.Resources$ExInstWithCause.ex(Resources.java:348) ~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.SqlUtil.newContextException(SqlUtil.java:673) ~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.SqlUtil.newContextException(SqlUtil.java:661) ~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.validate.SqlValidatorImpl.newValidationError(SqlValidatorImpl.java:3588)
~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.type.SetopOperandTypeChecker.checkOperandTypes(SetopOperandTypeChecker.java:100)
~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.SqlOperator.checkOperandTypes(SqlOperator.java:533) ~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.SqlOperator.validateOperands(SqlOperator.java:412) ~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.validate.SetopNamespace.validateImpl(SetopNamespace.java:70)
~[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.validate.SetopNamespace.validateImpl(SetopNamespace.java:68)
~[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.validate.SetopNamespace.validateImpl(SetopNamespace.java:68)
~[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.validate.SetopNamespace.validateImpl(SetopNamespace.java:68)
~[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.validate.SetopNamespace.validateImpl(SetopNamespace.java:68)
~[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.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:2605)
~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:2590)
~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:2813)
~[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]
        ... 8 common frames omitted
Caused by: org.eigenbase.sql.validate.SqlValidatorException: Type mismatch in column 1 of
UNION ALL
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.7.0_75]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
~[na:1.7.0_75]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
~[na:1.7.0_75]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526) ~[na:1.7.0_75]
        at org.eigenbase.resource.Resources$ExInstWithCause.ex(Resources.java:348) ~[optiq-core-0.9-drill-r20.jar:na]
        at org.eigenbase.resource.Resources$ExInst.ex(Resources.java:457) ~[optiq-core-0.9-drill-r20.jar:na]
        ... 45 common frames omitted

This is how my data looks like in each of the CSV files

[root@centos-01 csv_dir]# cat bgint_f.csv 
1
2
0
-1
1000000
65535
100
13
19
17
111111
1010101
9999999
[root@centos-01 csv_dir]# cat int_f.csv 
1
0
-1
65535
1234567
1000000
101010
11111
100
13
19
17
[root@centos-01 csv_dir]# cat dbl_f.csv 
123.45
11.98
12345.39
1.1
1.0
0.0
-1.0
11111.99
99999.99
[root@centos-01 csv_dir]# cat float_f.csv 
1.1
1.234
1234.19
13.19
1.0
-1.0
0.0
1111.98
9999.99
[root@centos-01 csv_dir]# cat char_f.csv 
1
2
3
4
5
6
7
8
9
0
[root@centos-01 csv_dir]# cat vchar_f.csv
12345
1
0
-1
200000
1000000
65535
13
19
17
11111
10101
{code}



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