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### What happened?
Ibis supports both row-based and range-based OVER window semantics, showing below:
```
import ibis
from ibis import _
bid_schema = ibis.schema(
{
"auction": "in…
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Currently, substrait-java cannot handle functions with identical signatures, even if they are present in different extensions files.
substrait-java should be updated to allow this, as these are tec…
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### Is your feature request related to a problem or challenge?
In https://github.com/apache/datafusion/pull/10653, @Blizzara added the beginnings of testing for substrait plans that came from other s…
alamb updated
3 months ago
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There are frequently asked questions which can be included in a separate page on the main website. I propose, it is better to group such a set of questions which have already been asked and create thi…
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### Is your feature request related to a problem or challenge?
If there is a `SubqueryAlias` relation, `datafusion-substrait` will bypass it. This works for the producer, the generated Substrait plan…
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### What happened?
I have a simple example in this notebook showing that the window semantics are not supported by the compiler yet. Is this something we can add relatively easily?
https://githu…
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### Is your feature request related to a problem or challenge?
@Lordworms added intiial support for `ReadType::LocalFiles` in https://github.com/apache/datafusion/pull/10842 but it does not yet supp…
alamb updated
2 weeks ago
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This is in relation to some discussion that came up in #631
> The duplicated names prevent substrait-java from being updated.
>
> However, there is a question around whether names need to unique…
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# Description
From @roeap:
> Generate query plans for operations requiring current table data as substrait (https://substrait.io) plans to integrate with different query backends
> * (py)arrow …
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This is a tracking issue for a `parse` module in the Substrait crate.
Some requirements of Substrait can not be expressed via Protobuf definition or schema files. A `parse` module can provide types…