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Posted to dev@flink.apache.org by "Jerry (Jira)" <ji...@apache.org> on 2021/03/03 10:01:00 UTC
[jira] [Created] (FLINK-21582) COALESCE not works when cast a
variable return null
Jerry created FLINK-21582:
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Summary: COALESCE not works when cast a variable return null
Key: FLINK-21582
URL: https://issues.apache.org/jira/browse/FLINK-21582
Project: Flink
Issue Type: Bug
Components: Table SQL / API
Affects Versions: 1.11.1
Environment: Flink1.11.1
Reporter: Jerry
select COALESCE(cast('aa' as int), 0);return NULL
select COALESCE(NULL, 0); return 0
The first case works failed, but the second case works successful
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