Datafusion session integration - #3000

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DerGut wants to merge 11 commits into

apache:mainfrom

DerGut:datafusion-session-integration

Commits on Aug 15, 2026

refactor(datafusion): rename catalog provider modules
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1a8714d
Introduce the SessionContextResolver trait
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a824a15
Introduce the CatalogAccess abstraction
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63ee826
Use CatalogAccess in providers and forward session were available
DerGut
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e0cf986
Add new constructor for session-aware providers
DerGut
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93ba9ec
Match IcebergCommitExec::new's visibility
DerGut
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8d1e9e7
Store fallback_context and reuse it
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3467909
SessionCatalog to Catalog adapter
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2fc099b
Keep SessionBoundCatalog private
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4a0ec71
Factor out catalog access with shared session
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0208eef

Commits on Aug 17, 2026

Add example
DerGut
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110d81b