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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
I am not sure this is an important feature to add, but I wanted to write it down.
Basicall…
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### Is your feature request related to a problem or challenge?
It's not always an expected behavior that casts a number to string in places like `WHERE`. E.g.:
Create a table with an integer a…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
When reviewing a plan, it would be nice to know the amount of memory each individual `Executi…
alamb updated
2 years ago
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### Is your feature request related to a problem or challenge?
Today DataFusion supports three aggregate functions that can be "order aware": `ARRAY_AGG`, `FIRST_VALUE` and `LAST_VALUE`. This means t…
alamb updated
5 months ago
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Breaking out of https://github.com/htrc/htrc-feature-reader/issues/42.
With parquet backing, this library is fast--fast enough, I think, to sometimes feed straight into tensorflow without any inter…
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### Describe the bug
Me again..
I'm getting a panic from
https://github.com/apache/datafusion/blob/cafbc9ddceb5af8c6408d0c8bbfed7568f655ddb/datafusion/physical-expr/src/analysis.rs#L95
I'm…
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I think the result type of u32 is not enough.
From the spark,
```
spark-sql> SELECT EXTRACT(YEAR FROM TIMESTAMP '-2000-12-16 12:21:13');
-2000
```
But this is not related to this issue, I will …
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For filesystem sources created via SQL, we do not validate them as part of the SQL planning process. This causes panics at runtime when the source is instantiated on the worker:
```
2023-08-15T03:…
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### Is your feature request related to a problem or challenge?
from https://github.com/apache/arrow-datafusion/pull/6281#discussion_r1187572265 @alamb
In fact, ScalarUDF and ScalarFunction both…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
While working on the support for converting parquet statistics into ArrayRefs in DataFusi…