Karteek

Decimal average accumulator type must have arbitrary precision

19

In Presto JAVA worker, the decimal average aggregate functions uses `BigDecimal` type as an intermediate type. Since `BigDecimal` has arbitrary precision, the Total sum accumulated for a group/ global aggregation...

Fuzzer Expression tests for Decimal functions

2

The fuzzer test for decimal functions like "decimal_add" tries to resolve return type without binding the input arguments. This leads to test failures as the return type relies on input...

## Description ## Motivation and Context ## Impact ## Test Plan ## Contributor checklist - [ ] Please make sure your submission complies with our [development](https://github.com/prestodb/presto/wiki/Presto-Development-Guidelines#development), [formatting](https://github.com/prestodb/presto/wiki/Presto-Development-Guidelines#formatting), [commit message](https://github.com/prestodb/presto/wiki/Review-and-Commit-guidelines#commit-formatting-and-pull-requests), and...

[native] Expose REST API to fetch worker stats in Prometheus format

24

## Description 1. Add Prometheus Reporter using the [prometheus-cpp library](https://github.com/jupp0r/prometheus-cpp/tree/master). The library has interfaces to create all metric types (COUNTER, GAUGE, Histograms and Summaries) defined in the BaseStatsReporter. The library...

[native] Prestissimo worker metrics documentation

1

## Description Added Prestissimo worker metrics related config documentation. ## Motivation and Context ## Impact ## Test Plan ## Contributor checklist - [ ] Please make sure your submission complies...

[Native] Avoid streaming aggregation when source is NestedLoopJoin

8

## Description This is a fix to avoid this issue https://github.com/prestodb/presto/issues/22585. Prestissimo creates a StreamingAgg when there are pregrouped keys in the AggregationNode. This assumption breaks when the source to...