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https://issues.apache.org/jira/browse/DRILL-1098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14050501#comment-14050501
 ] 

Rahul Challapalli commented on DRILL-1098:
------------------------------------------

Server error:
java.lang.AssertionError: typeName.allowsPrecScale(true, false)
org.eigenbase.sql.type.BasicSqlType.<init>(BasicSqlType.java:66) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.type.SqlTypeFactoryImpl.createSqlType(SqlTypeFactoryImpl.java:59)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.type.SqlTypeTransforms$4.transformType(SqlTypeTransforms.java:107)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.type.SqlTypeTransformCascade.inferReturnType(SqlTypeTransformCascade.java:62)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.SqlOperator.inferReturnType(SqlOperator.java:451) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.SqlOperator.validateOperands(SqlOperator.java:418) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.SqlFunction.deriveType(SqlFunction.java:290) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.SqlFunction.deriveType(SqlFunction.java:206) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:3870)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:1)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.SqlCall.accept(SqlCall.java:133) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.deriveTypeImpl(SqlValidatorImpl.java:1322)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.deriveType(SqlValidatorImpl.java:1305)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.expandSelectItem(SqlValidatorImpl.java:418)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.validateSelectList(SqlValidatorImpl.java:3019)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:2773)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:80)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:747)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:736)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.SqlSelect.validate(SqlSelect.java:209) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:710)
 ~[optiq-core-0.7-20140617.012959-7.jar:na]
org.eigenbase.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:426) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
net.hydromatic.optiq.prepare.PlannerImpl.validate(PlannerImpl.java:175) 
~[optiq-core-0.7-20140617.012959-7.jar:na]
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.validateNode(DefaultSqlHandler.java:128)
 
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:113)
 
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:129)
 
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:400) 
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:216) 
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:242)
 
[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
[na:1.7.0_45]
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
[na:1.7.0_45]
java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]

> Trim function in Drill should default to 'space' when no trim characters are 
> provided like Oracle and Postgres
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-1098
>                 URL: https://issues.apache.org/jira/browse/DRILL-1098
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Functions - Drill
>            Reporter: Rahul Challapalli
>            Assignee: Mehant Baid
>            Priority: Blocker
>
> git.commit.id.abbrev=a1a6144
> Build # 26266
> Any query where we use trim function without mentioning a 'trim character' 
> fails
> select trim(pageURL) from rankings;



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