[Kernel] Add unittests for reading cloned (shallow/deep) Delta tables in Kernel

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8,807 stars (8,807 stars)

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Avg merge 7d 1h (Avg merge 7d 1h)142 merged PRs in 30d (142 merged PRs in 30d)

Description

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Contributor guide

Research direction

Study existing unit tests for Delta Kernel focusing on read operations. Understand shallow and deep cloning mechanisms in Delta tables. Write tests covering various scenarios such as reading from shallow clones and deep clones, ensuring correct data retrieval.

Tech stack

scalaspark

Domain

backenddata

Issue type

Test

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

1-2 days

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

ScalaDelta Lake basicsUnit testing

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

70