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[spark] Support reading and writing Fluss tables through Paimon catalog - #9551

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Zouxxyy:xinyu/dev-paimon-fluss
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[spark] Support reading and writing Fluss tables through Paimon catalog#9551
Zouxxyy wants to merge 2 commits into
apache:masterfrom
Zouxxyy:xinyu/dev-paimon-fluss

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@Zouxxyy

@Zouxxyy Zouxxyy commented Sep 2, 2026

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Purpose

Support reading and writing Fluss LakeStream tables through the Paimon Spark catalog.

  • Route Paimon FileStoreTables marked with lakestream.enabled=true to a lazily initialized Fluss Spark catalog.
  • Forward fluss.* catalog options to Fluss while keeping create, alter, and drop behavior unchanged.
  • Cover Spark 3.4 and 3.5 with routing tests and Fluss MiniCluster read/write tests.
  • Use Fluss 1.0-SNAPSHOT for the test dependencies because the stable release does not publish the required MiniCluster test jars.

Tests

  • Spark 3.4: FlussCatalogTest and FlussCatalogReadWriteITCase — 7/7 passed
  • Spark 3.5: FlussCatalogTest and FlussCatalogReadWriteITCase — 7/7 passed
  • mvn spotless:apply -Pspark3

Zouxxyy and others added 2 commits September 2, 2026 21:39
Route Paimon tables marked with lakestream.enabled to the Fluss Spark catalog and cover log and primary-key table reads and writes on Spark 3.4 and 3.5.

Co-Authored-By: Claude Code <noreply@anthropic.com>

AI-Model: gpt-5
Co-Authored-By: Codex <noreply@openai.com>
AI-Contributed/Feature: 329/329
AI-Contributed/UT: 471/471
Use the published Fluss Spark 2.12 connector test artifacts for all builds because Scala 2.13 snapshots are unavailable. Skip MiniCluster integration tests under Scala 2.13 while keeping catalog routing tests enabled.

Co-Authored-By: Claude Code <noreply@anthropic.com>

AI-Model: gpt-5
Co-Authored-By: Codex <noreply@openai.com>
AI-Contributed/Feature: 5/5
AI-Contributed/UT: 57/57
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