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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
I have a Ballista cluster running, and each scheduler and executor has access to TPC-H data l…
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### Is your feature request related to a problem or challenge?
given a csv
```csv
mm/dd/yyyy,mm-dd-yyyy,dd/mm/yyyy,dd-mm-yyyy,yyyy/mm/dd,yyyy-mm-dd
01/01/2012,01-01-2012,01/01/2012,01-01-2012,201…
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the `unreachable!()` statement in this function:
https://github.com/datafusion-contrib/datafusion-orc/blob/1ee1df9c7ca4cf198e4a1a8fea0af3f31e2d17cd/src/reader/decode/util.rs#L225-L236
can be rea…
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**Describe the bug**
When creating a literal interval value from a pyarrow scalar, the values for month, day, and nanoseconds are not correctly assigned in the literal values. The following minimal e…
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### Is your feature request related to a problem or challenge?
A small test to double the batch size (from 8192 to 16384) shows some performance improvements (~10%) on some queries:
```
Comparing…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
I am trying to work with the nyctaxi parquet data set which has one file per month. Over …
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] …
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] …
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### Describe the bug
The `coalesce()` function when applied to two `Timestamp(_, _)` columns unexpectedly returns `Utf8` result.
### To Reproduce
In `datafusion-cli`:
```
create or replace …
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] …