Dylan Guedes created SPARK-28602:
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Summary: Recognize interval as a numeric type
Key: SPARK-28602
URL: https://issues.apache.org/jira/browse/SPARK-28602
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Dylan Guedes
Hello,
Spark does not recognize `interval` type as a `numeric` one, which means that
we can't use `interval` columns in aggregated functions. For instance, the
following query works on PgSQL but does not work on Spark:
{code:sql}SELECT i,AVG(cast(v as interval)) OVER (ORDER BY i ROWS BETWEEN
CURRENT ROW AND UNBOUNDED FOLLOWING) FROM (VALUES(1,'1 sec'),(2,'2
sec'),(3,NULL),(4,NULL)) t(i,v);{code}
{code:sql}cannot resolve 'avg(CAST(`v` AS INTERVAL))' due to data type
mismatch: function average requires numeric types, not interval; line 1 pos
9{code}
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