Vladimir Golubev created SPARK-49250:
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Summary: CheckAnalysis with UnresolvedWindowExpression nested
inside other expressions produces confusing error message
Key: SPARK-49250
URL: https://issues.apache.org/jira/browse/SPARK-49250
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.0.0
Reporter: Vladimir Golubev
Consider the following query: `SELECT (SUM(col1) OVER(unspecified_window) / 1)
FROM VALUES (1)`. Currently the resolution produces
`org.apache.spark.sql.catalyst.analysis.UnresolvedException: [INTERNAL_ERROR]
Invalid call to dataType on unresolved object SQLSTATE: XX000`, which is
confusing. We need to change it to `ExtendedAnalysisException:
[MISSING_WINDOW_SPECIFICATION]`
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