Aman Sinha created DRILL-403:
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Summary: Add support for CASE statement
Key: DRILL-403
URL: https://issues.apache.org/jira/browse/DRILL-403
Project: Apache Drill
Issue Type: Bug
Reporter: Aman Sinha
Drill currently throws an error for CASE statements. This issue is to track
adding support for such statements.
select case when N_NATIONKEY = 0 then 1 end from
dfs.`/tmp/parquet/nation.parquet` ;
Exception in thread "WorkManager-2" java.lang.AssertionError: todo: implement
syntax SPECIAL(CASE(=(CAST($0):INTEGER NOT NULL, 0), 1, null))
at
org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.visitCall(DrillOptiq.java:113)
at
org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.visitCall(DrillOptiq.java:63)
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