jiaan.geng created SPARK-33125:
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Summary: Improve the error when Lead and Lag are not allowed to
specify window frame
Key: SPARK-33125
URL: https://issues.apache.org/jira/browse/SPARK-33125
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.1.0
Reporter: jiaan.geng
Except for Postgresql, other data sources (for example: vertica, oracle,
redshift, mysql, presto) are not allowed to specify window frame for the Lead
and Lag functions.
But the current error message is not clear enough.
{code:java}
Window Frame $f must match the required frame
{code}
The following error message is better.
{code:java}
Cannot specify window frame for lead function
{code}
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