Martin Traverso

Trino has had a columnar/vectorized evaluation engine since its inception in 2012. After the initial implementation and optimization, and once we were satisfied with the performance for the majority of...

Flaky test TestHiveFaultTolerantExecutionConnectorTest

9

``` Error: io.trino.faulttolerant.hive.TestHiveFaultTolerantExecutionConnectorTest.testBucketedExecution Time elapsed: 1.068 s

[WIP] Avoid fetching all trees when checking out repo in CI

3

A regular checkout fetches trees all the way to the beginning of history. With the tree:0 filter, trees aren't fetched until git needs them (i.e., when checking out a branch),...

Named queries (WITH) should be evaluated only once

1

Currently, Trino evaluates named queries (WITH clause) by inlining them wherever they are referenced in the body of the main query. This can cause problems if the query is non-deterministic,...

Rearchitect expression interpreter

1

The expression optimizer is now modeled in a similar manner to the plan optimizer. Each optimization is implemented as a granular transformation of an expression subtree. The optimizer applies transformation...

"is distinct from" is analogous to "not equal". Having to deal with the negation makes it harder to reason about it and requires a double negation to get meaning analogous...

## Release notes (x) This is not user-visible or is docs only, and no release notes are required.

Elasticsearch test cleanups

3

## Release notes (x) This is not user-visible or is docs only, and no release notes are required.

Error when opening a repository

3

I'm getting the following error when opening a repository: 2010-11-05 09:10:08.433 GitX[79842:903] HIToolbox: ignoring exception '**\* -[NSCFDictionary setObject:forKey:]: attempt to insert nil key' that raised inside Carbon event dispatch (...