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Posted to issues@spark.apache.org by "jiaan.geng (Jira)" <ji...@apache.org> on 2020/02/03 08:04:00 UTC
[jira] [Updated] (SPARK-30707) Lead/Lag window function throws
AnalysisException without ORDER BY clause
[ https://issues.apache.org/jira/browse/SPARK-30707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
jiaan.geng updated SPARK-30707:
-------------------------------
Description:
Lead/Lag window function throws AnalysisException without ORDER BY clause:
{code:java}
SELECT lead(ten, four + 1) OVER (PARTITION BY four), ten, four
FROM (SELECT * FROM tenk1 WHERE unique2 < 10 ORDER BY four, ten)s
org.apache.spark.sql.AnalysisException
Window function lead(ten#x, (four#x + 1), null) requires window to be ordered, please add ORDER BY clause. For example SELECT lead(ten#x, (four#x + 1), null)(value_expr) OVER (PARTITION BY window_partition ORDER BY window_ordering) from table;
{code}
Maybe we need fix this issue.
was:
{code:java}
Lead/Lag window function throws AnalysisException without ORDER BY clause:
SELECT lead(ten, four + 1) OVER (PARTITION BY four), ten, four
FROM (SELECT * FROM tenk1 WHERE unique2 < 10 ORDER BY four, ten)s
org.apache.spark.sql.AnalysisException
Window function lead(ten#x, (four#x + 1), null) requires window to be ordered, please add ORDER BY clause. For example SELECT lead(ten#x, (four#x + 1), null)(value_expr) OVER (PARTITION BY window_partition ORDER BY window_ordering) from table;
{code}
Maybe we need fix this issue.
> Lead/Lag window function throws AnalysisException without ORDER BY clause
> -------------------------------------------------------------------------
>
> Key: SPARK-30707
> URL: https://issues.apache.org/jira/browse/SPARK-30707
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: jiaan.geng
> Priority: Major
>
> Lead/Lag window function throws AnalysisException without ORDER BY clause:
> {code:java}
> SELECT lead(ten, four + 1) OVER (PARTITION BY four), ten, four
> FROM (SELECT * FROM tenk1 WHERE unique2 < 10 ORDER BY four, ten)s
> org.apache.spark.sql.AnalysisException
> Window function lead(ten#x, (four#x + 1), null) requires window to be ordered, please add ORDER BY clause. For example SELECT lead(ten#x, (four#x + 1), null)(value_expr) OVER (PARTITION BY window_partition ORDER BY window_ordering) from table;
> {code}
>
> Maybe we need fix this issue.
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