[Draft] Master catalog spi clean 15#65744

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morningman:master-catalog-spi-clean-15

Commits on Jul 16, 2026

[doc](connector) add project tracking system for catalog SPI migration

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[feat](connector) P0 SPI baseline + DDL/Partition + import gate (T03-T27) (#63582)

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[P1-T03-T05] route plugin-driven scans first in nereids translator (#63641)

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[feat](connector) P2 migrate trino-connector to catalog SPI (T01-T13) (#64096)
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[feat](connector) P3 hudi connector hardening + test baseline + dispatch design (hybrid, T02-T08) (#64143)
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[refactor](connector) P4 maxcompute: remove legacy subsystem from fe-core + make fe-core odps-free (T07-T09) (#64300)

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update P5 handoff and fix compile issue
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[refactor](catalog) P5 paimon: migrate to catalog SPI + cutover (#64446) (#64446)
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[refactor](catalog) P5 paimon: remove legacy subsystem from fe-core + make fe-core paimon-SDK-free (T29) (#64653)
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[refactor](catalog) P3b: consolidate kerberos authentication into fe-kerberos (#64655)
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[refactor](catalog) P6 iceberg: migrate to catalog SPI + cutover + remove legacy fe-core subsystem (#64688)

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[fix](catalog) jdbc: keep driver classloaders alive per URL to stop Metaspace leak

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[fix](catalog) P4 maxcompute: drop dangling legacy MaxComputeExternalTableTest after rebase

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[fix](catalog) port upstream #65332/#65094 datasource fixes into SPI connectors

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[fix](catalog) tier3 #65094: preserve external-table top-level column-name case on the read path

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[feat](catalog) P6.6-C6 #63068 SPI: neutral delegated-credential DTO + user-session capability

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[feat](catalog) P6.6-C6 #63068 FE: capability-gated credential injection + per-user cache bypass

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[feat](catalog) P6.6-C6 #63068 iceberg: per-user REST session routing (metadata + scan/write/procedure)

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[doc](catalog) P6.6-C6 #63068 OIDC session migration: design + research notes + HANDOFF (Tasks 0-7 DONE)

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[feat](catalog) P6.6-C6 #63068 FE: re-migrate ExternalDatabaseSessionContextTest (cross-user cache-leakage data-flow)

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[doc](catalog) P6.6-C6 #63068 HANDOFF: record cache-leakage data-flow test + Task 0 retained-base verify

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[fix](catalog) reconcile upstream #65365 with connector SPI after rebase to 4f48ccfaa7d

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[fix](build) fix parallel -T shade race in fe-connector-paimon-hive-shade

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[doc](catalog) HANDOFF: rebase to upstream 30a44d61a8a + register $position_deletes connector gap as flip blocker

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[doc](catalog) P6.6 $position_deletes connector port: research notes + design (T0 evidence in, ready to implement)

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[doc](catalog) HANDOFF: point next step at the $position_deletes port design (T0 evidence in)

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[feat](catalog) P6.6: support the iceberg $position_deletes system table on the connector SPI

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[doc](catalog) HANDOFF: $position_deletes port done; e2e is the only remaining flip gate

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[refactor](catalog) Catalog spi 11 hive (#65473)

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[refactor](catalog) fe-connector: replace fat hive-catalog-shade with a slim HMS metastore-client shade (#65721)

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[refactor](catalog) fe-core: remove dead Trino-ported DirectoryListercache cluster (#65734)

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[refactor](catalog) fe-core: remove dead ExternalMetadataOps layer, deprecated LakeSoul catalog, and odbc/statistics stubs (#65736)
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Commits on Jul 17, 2026