luoyuxia created FLINK-27013:
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Summary: Hive dialect supports IS_DISTINCT_FROM
Key: FLINK-27013
URL: https://issues.apache.org/jira/browse/FLINK-27013
Project: Flink
Issue Type: Improvement
Reporter: luoyuxia
It'll throw the exception with error message "Unsupported call: IS DISTINCT
FROM(STRING, STRING) " with the following SQL in Hive dialect:
{code:java}
create table test(x string, y string);
select x <=> y, (x <=> y) = false from test; {code}
And I found the IS_NOT_DISTINCT_FROM is supported in ExprCodeGenerator.scala,
but IS_ DISTINCT_FROM is not. The IS_ DISTINCT_FROM should also be implemented
in ExprCodeGenerator.
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