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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/10/20 02:21:23 UTC

[GitHub] [arrow-datafusion] HaoYang670 commented on issue #3891: `count(Literal)` gives wrong column name

HaoYang670 commented on issue #3891:
URL: https://github.com/apache/arrow-datafusion/issues/3891#issuecomment-1284818587

   Hi @andygrove, I guess this bug is probably related to the sql-parser. Because there is no error when constructing the expression directly:
   ```rust
       #[test]
       fn my_test() -> Result<()> {
           let expr = count(lit(2.2));
           let expected = "COUNT(Float64(2.2))";
           assert_eq!(expected, expr.display_name()?);
           Ok(())
       }
   ```


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