Slim Bouguerra created SAMZA-2575:
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Summary: Flatten udf return an Array after flattening the row as
oppose to cell value.
Key: SAMZA-2575
URL: https://issues.apache.org/jira/browse/SAMZA-2575
Project: Samza
Issue Type: Bug
Reporter: Slim Bouguerra
Main usage of flatten udf is to map the current row as a dot product of all the
row and the values of the List column to be flattened.
User expecting that after the flatten the content of the Target Array column to
be the inner field and not an Array that wraps a single element.
Take example of
{code:java}
SELECT FLATTEN(ARRYA[1,2]), 'value' form table;
-- expected result is
1,value
2,value
-- current result is
[1],value
[2],value
{code}
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