Sasha Krassovsky

ARROW-16389: [C++][Acero] Add spilling for hash join

2

Adds support for spilling data to disk during hash join.

ARROW-17351: [C++][Compute] Implement a parser for Expressions

7

I've seen a few people on the mailing list asking for something like this and I've wanted it myself, so I went ahead and implemented a parser for a lisp-like...

Linearizer Refactor

1

Copy-pasting from my Discord post The call to codegen will be broken down into the following steps: process (which I've renamed to canonicalize ), which moves reductions to the end,...

Add support for migrations within compute_ctl

2

## Problem It's easy bungle stuff with regards to permissions or other stuff. Fixing it is hard because we don't have a way to run a query on everyone's computes...

Make connection retries on Compute side exponentially backoff

2

## Steps to reproduce Have an unstable connection with the pageserver ## Expected result Not spinning in a loop trying to reconnect ## Actual result Spins in a tight loop...

Add test to exercise creating subscription before safekeeper ready

2

## Problem There's allegedly a bug where if we connect a subscriber before WAL is downloaded from the safekeeper, it creates an error. ## Summary of changes Adds support for...

Clarifying `start` and `length` in `ReadRel`

7

Hi, I just came a cross an issue when running Velox on a parquet file. My plan omitted the `start` and `length` fields of the `LocalFiles` message which caused both...