alamb opened a new issue, #13010: URL: https://github.com/apache/datafusion/issues/13010
### Describe the bug UNION ALL with null constants results in Schema error ### To Reproduce Run the following query from https://github.com/apache/datafusion/blob/main/datafusion/sqllogictest/test_files/metadata.slt ```sql query T select name from ( SELECT nonnull_name as name FROM "table_with_metadata" UNION ALL SELECT NULL::string as name ) group by name order by name; ---- no_bar no_baz no_foo NULL ``` It results with ``` External error: query failed: DataFusion error: Schema error: No field named nonnull_name. Valid fields are table_with_metadata.id, table_with_metadata.name, table_with_metadata.l_name. [SQL] select name from ( SELECT nonnull_name as name FROM "table_with_metadata" UNION ALL SELECT NULL::string as name ) group by name order by name; at test_files/metadata.slt:127 Error: Execution("1 failures") error: test failed, to rerun pass `-p datafusion-sqllogictest --test sqllogictests` ``` ### Expected behavior Query should complete ### Additional context _No response_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
