[I] Should the `generic` dialect support numeric literals with underscore separators? [datafusion-sqlparser-rs]

["nuno-faria (via GitHub)" <gi...@apache.org>]

nuno-faria opened a new issue, #2432:
URL: https://github.com/apache/datafusion-sqlparser-rs/issues/2432

   Right now, the `generic` dialect (DataFusion's default) does not support numeric literals with separators:
   
   ```sql
   DataFusion CLI v54.0.0
   > select 1_000;
   +------+
   | _000 |
   +------+
   | 1    |
   +------+
   ```
   
   I'm wondering if the  `generic` dialect should support this, just like Postgres/DuckDB/SQLite/Clickhouse, so DataFusion can use them directly without needing to switch to another dialect.


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