Jason Altekruse created DRILL-1299:
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Summary: Short circuit CASE statement evaluation
Key: DRILL-1299
URL: https://issues.apache.org/jira/browse/DRILL-1299
Project: Apache Drill
Issue Type: Improvement
Reporter: Jason Altekruse
Case statements currently are transformed into generated code that contains
blocks for the conditional, when block and else block. Regardless of the result
of the conditional, both of the blocks are evaluated and the correct result is
taken. This currently removes the capability for case statements to be used to
avoid exceptions, such as checking for an empty string before calling a
function on it.
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