support scientific notation for SQL literals

[kmitchener]

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Would like to be able to use scientific notation for numerics:

Currently, DataFusion takes the "e" notation as a column alias.

DataFusion CLI v11.0.0
❯ select 1e3;
+----+
| e3 |
+----+
| 1  |
+----+
1 row in set. Query took 0.012 seconds.

Add issue in sqlparser-rs to address the parsing issue: apache/datafusion-sqlparser-rs#610

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[Jefffrey]

Resolved by #4770 (which includes this fix apache/datafusion-sqlparser-rs#768)

Can now parse exponent literals:

DataFusion CLI v15.0.0
❯ select 1e3;
+---------------+
| Float64(1000) |
+---------------+
| 1000          |
+---------------+
1 row in set. Query took 0.002 seconds.

[alamb]

🎉