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https://issues.apache.org/jira/browse/SPARK-34296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17275514#comment-17275514
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Yuming Wang commented on SPARK-34296:
-------------------------------------
PostgrelSQL:
{noformat}
postgres@d40c1bcc8f5a:~$ psql
psql (11.3 (Debian 11.3-1.pgdg90+1))
Type "help" for help.
postgres=# create table test_unboundedpreceding(SELLER_ID int);
CREATE TABLE
postgres=# SELECT
postgres-# DENSE_RANK() OVER (
postgres(# ORDER BY SELLER_ID ROWS BETWEEN 10 PRECEDING
postgres(# AND CURRENT ROW
postgres(# ) AS SELLER_RANK
postgres-# FROM
postgres-# test_unboundedpreceding;
seller_rank
-------------
(0 rows)
{noformat}
> AggregateWindowFunction#frame should not always use UnboundedPreceding
> ----------------------------------------------------------------------
>
> Key: SPARK-34296
> URL: https://issues.apache.org/jira/browse/SPARK-34296
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.2, 3.1.0, 3.2.0
> Reporter: Yuming Wang
> Priority: Major
>
> How to reproduce this issue:
> {code:sql}
> CREATE TABLE test_unboundedpreceding(SELLER_ID INT) using parquet;
> SELECT
> DENSE_RANK() OVER (
> ORDER BY SELLER_ID ROWS BETWEEN 10 PRECEDING
> AND CURRENT ROW
> ) AS SELLER_RANK
> FROM
> test_unboundedpreceding
> {code}
> It will throw:
> {noformat}
> Error: Error running query: org.apache.spark.sql.AnalysisException: Window
> Frame specifiedwindowframe(RowFrame, -10, currentrow$()) must match the
> required frame specifiedwindowframe(RowFrame, unboundedpreceding$(),
> currentrow$()); (state=,code=0)
> {noformat}
> Related code:
> https://github.com/apache/spark/blob/cde697a479a2f67c6bc4281f39a1ab2ff6a9d17d/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/windowExpressions.scala#L514
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