Cesare Cugnasco

Implement the table tolerance function

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**What is Tolerance?** Tolerance marks the error a user allows in an aggregation, within a **confidence interval**. That means that, giving a CI of 95% for example, 95 of 100...

## Description We noticed that we were not managing the metadata most efficiently: 1. The delta_log was read multiple times to rebuild the same data structure 2. We started to...

## What went wrong? In Qbeast Spark, we use command broadcast in multiple places (e.g., twice in the BoreadcastedTableChanges, 1 in the DenormalizedBlock, and 4 in the OTreeDataAnalyzer), but we...

Support SQL syntax delta.`path`and qbeast.`path`when using the QbeastCatalog.

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## What went wrong? Clear, concise explanation and the expected behavior. ## How to reproduce? Different steps about how to reproduce the problem. ### 1. Code that triggered the bug,...

## Description Adds #415 This work-in-progress PR evaluates the benefit of indexing existing parquet files without rewriting them. ## Type of change Describe the change you're making: how it affects...

## What went wrong? As described in the comment of #402, some tests create files in the project directory, which is not ideal because: 1. It makes the directory messier,...

## What went wrong? I ran into an issue that caused me to lose a lot of time. I was trying to create a new table from a sample of...