jinfeng created FLINK-20739:
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Summary: Ban `if` from HiveModule
Key: FLINK-20739
URL: https://issues.apache.org/jira/browse/FLINK-20739
Project: Flink
Issue Type: Improvement
Components: Connectors / Hive
Affects Versions: 1.10.0
Reporter: jinfeng
When using hiveModule, the if function is treated as a normal function.
If I have a SQL like this:
{code:java}
insert into Sink select if(size(split(`test`, '-')) > 1, split(`test`,
'-')[10], 'error') from Source {code}
It will throw arrayIndexOutOfBoundsException in Flink1.10, becase
size(split(`test`, '-')) > 1 ， split(`test`, '-')[10]， ‘error’ will be
calculated first, and then if function will be calculated
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