[GitHub] [arrow-datafusion] Jefffrey commented on issue #5426: `from_qualified_name` bug when column name starts with a number

["Jefffrey (via GitHub)" <gi...@apache.org>]

Jefffrey commented on issue #5426:
URL: https://github.com/apache/arrow-datafusion/issues/5426#issuecomment-1447693760

   I think this might actually be intentional. The SQL dialect that DataFusion uses intentionally disallows having numbers start an identifier, and if you want to have that case then you'd need to quote the identifier, like so:
   
   `Column::from_qualified_name("table_pq.\"1b\"")`
   
   To indicate that it is an identifier as a whole, not a number preceding a word.
   
   Postgres treats such identifiers in a similar way.


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