Amanda Liu created SPARK-48740:
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Summary: Catch missing window specification error early
Key: SPARK-48740
URL: https://issues.apache.org/jira/browse/SPARK-48740
Project: Spark
Issue Type: Task
Components: Spark Core
Affects Versions: 4.0.0
Reporter: Amanda Liu
Before, aggregate queries containing a window function without a window
specification (e.g. `PARTITION BY`) would return a non-descriptive internal
error message:
`org.apache.spark.sql.catalyst.analysis.UnresolvedException: [INTERNAL_ERROR]
Invalid call to exprId on unresolved object SQLSTATE: XX000`
This PR catches the user error early and returns a more accurate description of
the issue:
`Window specification <windowName> is not defined in the WINDOW clause.`
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