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### TLDR
**Rough Proposal**: In order to overlap graph communication with scheduling and computation, we should enable **partial** task-graph execution. Further details are discussed below, but the…
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I am able to install and load the libraries, then set the classpath pointing to the latest JDBC driver (`snowflake-jdbc-3.0.9.jar`).
# need to load RJDBC, or error 'could not find function ".ji…
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### What happens?
I registered a simple table function that produces a data chunk with just one column called "file". When I try to return a relatively large number of rows (say 5000), I get a segmen…
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### Problem description
When working with datetime columns and using `dates_as_objects=False`, I expect null values to be `np.datetime` objects (i.e. `np.datetime64("NaT")`).
However, kartothek is…
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**Feature Request:** Couldn't `head()` (and perhaps also `tail()`) return early?
I've a largish dataset that I'm building a script against. I've sampled a few tens of thousands of records to accele…
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### What happens?
I want to use duckdb to speed up the mysql query in mysql db,just like: select sum(amt) from mysqldb.order.order_info (3rows for test), the query prepare run 350 ms, and execute que…
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`HighLevelGraph`s (HLGs) are discussed in many places throughout Dask’s GitHub organization, but there is no single place with an up-to-date status and outlook. This issue should be modified if/when …
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EF Core 7 for SQL Server has a SQL query translation regression from EF Core 6 for GroupBy with aggregate functions.
For the query:
```
var query = context.Items
.GroupBy(x => x.Group)
…
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### Describe the enhancement requested
We'd like to use parquet predicate pushdown on `is_in` expressions, but this currently isn't supported in `SimplifyWithGuarantee`. We implemented a proof of con…