[CH] support string dictionary encoding in native parquet writer
Open
enhancement
- Dominant language
- Scala
- Stars
- 1.6k
- Forks
- 657
- Avg merge
- 2d 14h
- Merged PRs (30d)
- 80
Description
### Description
like orc did in:
- https://github.com/ClickHouse/ClickHouse/pull/68591
- https://github.com/apache/orc/pull/2010
Contributor guide
Research direction
Start by reading the ClickHouse PR #68591 and Apache ORC PR #2010 linked in the issue to understand the comparable dictionary-encoding work. The issue names no source file, test, or entry point; done means the native Parquet writer supports string dictionary encoding and has coverage demonstrating it.
Written by the indexing model from the issue text.
Assessment
- Domain
- data-engineering
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100