Datafusion session integration - #3000

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DerGut wants to merge 13 commits into

apache:mainfrom

DerGut:datafusion-session-integration

Commits on Aug 15, 2026

refactor(datafusion): rename catalog provider modules
DerGut
committed
1a8714d
Introduce the SessionContextResolver trait
DerGut
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a824a15
Introduce the CatalogAccess abstraction
DerGut
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63ee826

Commits on Aug 18, 2026

Use CatalogAccess in providers and forward session were available
DerGut
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612a2bd
Add new constructor for session-aware providers
DerGut
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f543270
Match IcebergCommitExec::new's visibility
DerGut
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373e365
Store fallback_context and reuse it
DerGut
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9abe204
SessionCatalog to Catalog adapter
DerGut
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394baf0
Keep SessionBoundCatalog private
DerGut
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c361fe5
Factor out catalog access with shared session
DerGut
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7ed1307
Add example
DerGut
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1bfcded
Add tests
DerGut
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39b7808

Commits on Aug 21, 2026

Replace `SessionContextResolver` trait with fixed resolution from
DerGut
committed
6849c01