Takeshi Yamamuro created SPARK-29698:
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Summary: Support grouping function with multiple arguments
Key: SPARK-29698
URL: https://issues.apache.org/jira/browse/SPARK-29698
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Takeshi Yamamuro
In PgSQL, grouping() can have multiple arguments, but Spark grouping() must
have a single argument
([https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/grouping.scala#L100]);
{code:java}
postgres=# select a, b, grouping(a, b), sum(v), count(*), max(v)
postgres-# from gstest1 group by rollup (a,b);
a | b | grouping | sum | count | max
---+---+----------+-----+-------+-----
| | 3 | | 0 |
(1 row)
{code}
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