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https://issues.apache.org/jira/browse/DRILL-2852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14654375#comment-14654375
]
ASF GitHub Bot commented on DRILL-2852:
---------------------------------------
Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/103#discussion_r36244389
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/partition/FindPartitionConditions.java
---
@@ -217,8 +218,21 @@ public Void visitCorrelVariable(RexCorrelVariable
correlVariable) {
}
public Void visitCall(RexCall call) {
- // assume PUSH until proven otherwise
- analyzeCall(call, PushDirFilter.PUSH);
+ boolean visited = false;
+ // examine the input of a CAST function; this could be extended for
+ // other functions in the future.
--- End diff --
+1
> CASTing the column 'dir0' in view causes partition pruning to fail
> -------------------------------------------------------------------
>
> Key: DRILL-2852
> URL: https://issues.apache.org/jira/browse/DRILL-2852
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.8.0
> Reporter: Aman Sinha
> Assignee: Jinfeng Ni
> Fix For: 1.2.0
>
>
> If the partition column 'dir0' is CAST inside a view and the query has a
> filter on that column, then partition pruning interpreter evaluator
> encounters an AssertionError.
> Table data in the example below is from test/resources/multilevel/parquet.
> {code}
> create view dfs.tmp.myview2 as select cast(dir0 as varchar(100)) as myyear,
> dir1 as myquarter, o_totalprice from `multilevel/parquet` ;
> select * from dfs.tmp.myview2 where myyear = '1995' and myquarter = 'Q2' and
> o_totalprice < 40000.0;
> {code}
> Failure stack trace:
> {code}
> Caused by: java.lang.AssertionError: Internal error: Error while applying
> rule PruneScanRule:Filter_On_Project,
> ...
> <skip>
> Caused by: java.lang.AssertionError: null
> at
> org.apache.drill.exec.expr.fn.interpreter.InterpreterEvaluator$EvalVisitor.isBitOn(InterpreterEvaluator.java:490)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.expr.fn.interpreter.InterpreterEvaluator$EvalVisitor.visitBooleanAnd(InterpreterEvaluator.java:434)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.expr.fn.interpreter.InterpreterEvaluator$EvalVisitor.visitBooleanOperator(InterpreterEvaluator.java:332)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.expr.fn.interpreter.InterpreterEvaluator$EvalVisitor.visitBooleanOperator(InterpreterEvaluator.java:147)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.common.expression.BooleanOperator.accept(BooleanOperator.java:36)
> ~[drill-common-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.expr.fn.interpreter.InterpreterEvaluator.evaluate(InterpreterEvaluator.java:80)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.partition.PruneScanRule.doOnMatch(PruneScanRule.java:224)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> {code}
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