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https://issues.apache.org/jira/browse/DRILL-497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13964788#comment-13964788
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Mehant Baid commented on DRILL-497:
-----------------------------------
I tried that but hit the UnsupportedOperationException. Looks like we are not
handling '<>' correctly while converting from Optiq to Drill expressions. I
will take a look into it.
FunctionCall is not expected here. It should have been converted to
FunctionHolderExpression in materialization
at
org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitFunctionCall(EvaluationVisitor.java:352)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitFunctionCall(EvaluationVisitor.java:340)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at org.apache.drill.common.expression.FunctionCall.accept(FunctionCall.java:60)
~[drill-common-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitCastExpression(EvaluationVisitor.java:337)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitCastExpression(EvaluationVisitor.java:76)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.common.expression.CastExpression.accept(CastExpression.java:41)
~[drill-common-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitFunctionHolderExpression(EvaluationVisitor.java:100)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitFunctionHolderExpression(EvaluationVisitor.java:367)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitFunctionHolderExpression(EvaluationVisitor.java:340)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.common.expression.FunctionHolderExpression.accept(FunctionHolderExpression.java:43)
~[drill-common-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitReturnValueExpression(EvaluationVisitor.java:301)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
at
org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitUnknown(EvaluationVisitor.java:209)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> Query with "!=" fails
> ----------------------
>
> Key: DRILL-497
> URL: https://issues.apache.org/jira/browse/DRILL-497
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.0.0
> Environment: CentOS release 6.2
> Reporter: Krystal
>
> Ran the following query via jdbc/sqlline:
> select distinct(registration) from voter where registration != 'independent';
> Got the following error:
> Query failed: org.apache.drill.exec.rpc.RpcException: Remote failure while
> running query.[error_id: "34efdf20-56fe-4bf3-a66f-d0dbf4744814"
> endpoint {
> address: "qa-node56.qa.lab"
> user_port: 31010
> control_port: 31011
> data_port: 31012
> }
> error_type: 0
> message: "Failure while parsing sql. < SqlParseException:[ Lexical error at
> line 1, column 61. Encountered: \"!\" (33), after : \"\" ] < TokenMgrError:[
> Lexical error at line 1, column 61. Encountered: \"!\" (33), after : \"\" ]"
> ]
> Error: exception while executing query (state=,code=0)
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