apache / apache/parquet-java

Add support for repeated columns in the filter2 API

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Component: Java Component: Parquet Priority: Minor Type: enhancement
Dominant language
Java
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Description

They currently are not supported. They would need their own set of operators, like contains() and size() etc.

**Reporter**: [Alex Levenson](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=alexlevenson) / @isnotinvain
#### PRs and other links:
- [GitHub Pull Request #1328](https://github.com/apache/parquet-java/pull/1328)
- [GitHub Pull Request #1370](https://github.com/apache/parquet-java/pull/1370)
- [GitHub Pull Request #1328](https://github.com/apache/parquet-mr/pull/1328)

**Note**: *This issue was originally created as [PARQUET-34](https://issues.apache.org/jira/browse/PARQUET-34). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*

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Research direction

Start by reviewing the filter2 API and the linked pull requests #1328 and #1370 to understand the existing direction for repeated columns. Done should include repeated-column support with appropriate operators such as contains() and size(), along with coverage for that behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
api
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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