Juan Pumarino created SPARK-19754:
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Summary: Casting to int from a JSON-parsed float rounds instead of
truncating
Key: SPARK-19754
URL: https://issues.apache.org/jira/browse/SPARK-19754
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.1.0, 1.6.3
Reporter: Juan Pumarino
Priority: Minor
When retrieving a float value from a JSON document, and then casting it to an
integer, Hive simply truncates it, while Spark is rounding up when the decimal
value is >= 5.
In Hive, the following query returns {{1}}, whereas in a Spark shell the result
is {{2}}.
{code}
SELECT CAST(get_json_object('{"a": 1.6}', '$.a') AS INT)
{code}
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