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connectors: fix delta connector issues with unity catalog in follow mode #6746

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Merged
swanandx merged 8 commits into from
Jul 30, 2026
Merged

connectors: fix delta connector issues with unity catalog in follow mode #6746

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617dce9
use v0.32.3-feldera-unity-fix branch
swanandx Jul 27, 2026
0368fd1
connectors: delta fix uc:// follow reads (No suitable object store fo…
swanandx Jul 27, 2026
304a78e
connectors: resolve nested column-mapped fields in follow/CDC reads
swanandx Jul 28, 2026
3446934
connector: read uc:// follow files via object store, not ListingTable
swanandx Jul 28, 2026
3fb17ac
delta: resolve follow-read columns by Parquet field id
swanandx Jul 28, 2026
e0f0da8
delta: harden field-id realign to coerce container types
swanandx Jul 28, 2026
db27493
delta: null-fill missing struct child in field-id realign
swanandx Jul 28, 2026
3029b6d
delta: name the column and file in follow-read conversion errors
swanandx Jul 29, 2026
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14 changes: 7 additions & 7 deletions Cargo.lock
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18 changes: 11 additions & 7 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -113,20 +113,24 @@ dbsp = { path = "crates/dbsp", version = "0.326.0" }
datafusion-functions-json = "0.53.1"
dbsp_nexmark = { path = "crates/nexmark" }
deadpool-postgres = "0.14.1"
# Feldera fork of delta-rs: upstream tag `rust-v0.32.3` + 3 patches, on branch
# `v0.32.3-feldera-fix`. When bumping the pinned revision, preserve these patches:
# Feldera fork of delta-rs: upstream tag `rust-v0.32.3` + 4 patches, on branch
# `v0.32.3-feldera-unity-fix`. When bumping the pinned revision, preserve these
# patches:
# - 7f8bb445 "Disable unsupported feature check." — relax the writer-side
# protocol-feature gate so we can write tables produced by newer clients.
# - 5b35c098 "delta-rs: round-robin pre-split unpartitioned scans into
# target_partitions FileGroups" — improves snapshot read parallelism for
# unpartitioned tables; pairs with the DataFusion knobs we tune in adapters.
# - 9a58fbef "delta-rs: resolve column-mapped Uniform/Iceberg columns by
# Parquet field-id" — fixes `col-<id> is missing from the physical schema`
# - 297f2dd1 "delta-rs: resolve column-mapped Uniform/Iceberg columns by
# Parquet field id." — fixes `col-<id> is missing from the physical schema`
# when reading UC-Uniform-over-Iceberg tables (columnMapping.mode=id). #6557.
# - 4913d02f "catalog-unity: refresh Unity Catalog S3 credentials before they
# expire" — the vended temporary credentials last an hour, so a long-running
# `uc://` pipeline failed with `ExpiredToken` without this.
# Diff vs. upstream:
# https://github.com/delta-io/delta-rs/compare/rust-v0.32.3...feldera:delta-rs:v0.32.3-feldera-fix
deltalake = { git = "https://github.com/feldera/delta-rs.git", rev = "297f2dd146f9947795f8b77f25db8da9daff2ade" }
deltalake-catalog-unity = { git = "https://github.com/feldera/delta-rs.git", rev = "297f2dd146f9947795f8b77f25db8da9daff2ade" }
# https://github.com/delta-io/delta-rs/compare/rust-v0.32.3...feldera:delta-rs:v0.32.3-feldera-unity-fix
deltalake = { git = "https://github.com/feldera/delta-rs.git", rev = "4913d02fabc643bd898fcb72d5d2afb73c77ac29" }
deltalake-catalog-unity = { git = "https://github.com/feldera/delta-rs.git", rev = "4913d02fabc643bd898fcb72d5d2afb73c77ac29" }

delta_kernel = { package = "buoyant_kernel", version = "0.22" }
derive_more = { version = "1.0.0" }
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