apache/hudi

Add more tests to TestCOWDataSource for TimestampbasedKeyGen

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#14,753 opened on Nov 30, 2025

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Description

[https://github.com/apache/hudi/pull/2431] adds support to leverage spark.sql partitionBy() clause to set Hudi's partition. So, some minimal tests are added to TestCOWDataSource for timestamp based key gen. But we would like to get more coverage wrt  timestamp based key gen

JIRA info

Contributor guide

Research direction
Examine the existing tests in TestCOWDataSource for timestamp based key generation and add test cases covering various timestamp formats, edge cases (e.g., nulls, invalid formats), and partition path generation. Refer to the PR #2431 for context on Spark partitionBy integration.
Tech stack
java
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
JavaSpark
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50