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Posted to dev@flink.apache.org by "Maciej Bryński (Jira)" <ji...@apache.org> on 2021/06/14 13:27:00 UTC
[jira] [Created] (FLINK-22983) Support lazy evaluation in Flink SQL
Maciej Bryński created FLINK-22983:
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Summary: Support lazy evaluation in Flink SQL
Key: FLINK-22983
URL: https://issues.apache.org/jira/browse/FLINK-22983
Project: Flink
Issue Type: Bug
Components: Table SQL / Runtime
Affects Versions: 1.13.1
Reporter: Maciej Bryński
Currently when there is logical condition in Flink SQL we're calculating all arguments.
Example:
{code:java}
SELECT n > 0 AND n > 100 {code}
This will trigger both checks even when n > 0.
Same for AND
{code:java}
SELECT n > 0 AND n > 100 {code}
will trigger n > 100 check for n <= 0
I think we should support lazy condition evaluation.
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