Ray Zhang

Abstract property can't be found by mixins when property is a `attr.ib`

13

Same context [here](https://stackoverflow.com/questions/73312870/correct-mro-order-attrs-object-cant-find-abstract-property) The following runs fine: ``` from abc import ABC, abstractmethod import attr class A(ABC): @abstractmethod def prop(self): pass def foo(self): print(self.prop()) class B: def prop(self): return 5...

### Problem Description Polars has quantiles for `pl.Expr`, `pl.LazyFrame` and more. I think it would benefit polars to have a faster quantile aggregation method that sacrifices (a bit of) accuracy...

Allow wide fan-out nodes in query plan to be abbreviated when `LazyFrame.show_graph()`

1

### Problem Description When crafting a `pl.LazyFrame` query, I look at the query plan to see what's getting pushed down, what the chain of transformations has been, and I think...

### Problem Description Currently `lazyframe.join()` allows us to join between two tables. It would be nice to allow the input to be a list of `pl.LazyFrame` which all share the...

JSON serialization of UDF's

2

### Problem Description In python polars, we can specify any user defined functions via `lazyframe.map`, and there are some operations in polars that are represented with python functions. We can...

Allow pickling of lazyframes

4

### Problem Description If I understand correctly, lazy frames are lightweight graph node objects(unless it is cached, in which case it also contains the arrow ChunkedArrays) that includes the dependencies...

Specify thread pool size at collection

1

### Problem Description Each query has its own performance characteristics and it's hard to prescribe a single threadpool count to all jobs. Some jobs work wonders with maximum threadcount while...

Literal, rowwise construction of lazy frames

1

### Problem Description Polars is great at specifying tables of variadic row length and fixed column length using the lazy frame API. Sometimes, I use aggregated results stored as a...

cld2-cffi does not build on new compilers (gcc8)

2

Currently building cld-cffi will fail on gcc8. To install it successfully, I used `-Wno-narrowing` as a `CFLAG` environment variable while pip install'ing. This is enforced in the new compilers because...

AdminClient creating topic nondeterministically fails with "The active controller appears to be node x"

1

Description =========== I am simply trying to create a topic in Kafka and roughly half the time I'm running into this error. Here's an MVCE: ``` from confluent_kafka.admin import NewTopic,...