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*Support for JSONPath functions*
Datafusion to add JSONPath functions similar to PostgreSQL [JSON functions](https://www.postgresql.org/docs/current/functions-json.html)
Specially if we get sup…
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### Is your feature request related to a problem or challenge?
While implementing [that projection pushdown rule](https://github.com/apache/arrow-datafusion/pull/8073), a case caught my attention. In…
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**Describe the bug**
`make_array()` will error if the types can not be coerced to a common type, as in postgres and spark
**To Reproduce**
Run this query (see `query_array_scalar_coerce` test a…
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### Description
The parquet format has support for a metadata item called the PageIndex that provides information that allows more efficient IO. I believe current minimum unit of IO within polars i…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
see #2405 , a dataframe interace for `sum(distinct)` usage
**Describe the solution you'd l…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
Currently the following test case(s) will fail:
```rust
#[test]
fn test_utf8…
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the AlmostEqualUlpsFinal function (called bye the DREAM3D_COMPARE_FLOATS macro) has trouble comparing small values to zero. For example comparing 0.0f to 9.66105 \* 10^-18 fails even when the toleranc…
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### Is your feature request related to a problem or challenge?
This has come up a few times, most recently in discussions with @berkaysynnada on https://github.com/apache/arrow-rs/issues/5037#issuec…
alamb updated
7 months ago
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### Describe the bug
When a column has data type in `Dictionary`, the parquet metadata statistics returns `Exact(Dictionary(Int32, Utf8(NULL)))` for min and max values
### To Reproduce
Run the test…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
While looking at adding support for more statistics on the Delta Lake `TableProvider` impleme…