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delta-io / delta-kernel-rs Public

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feat: schema diffing#1346

Open

murali-db wants to merge 57 commits intodelta-io:maindelta-io/delta-kernel-rs:mainfrom

murali-db:murali-db/schema-evolmurali-db/delta-kernel-rs:murali-db/schema-evolCopy head branch name to clipboard

Conversation Commits57 (57)Checks Files changed

Open

feat: schema diffing#1346
murali-db wants to merge 57 commits intodelta-io:mainfrom
murali-db:murali-db/schema-evol

Commits

Commits on Oct 16, 2025

initial commit
murali-db
committed
nested
murali-db
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bug
murali-db
committed
fixes
murali-db
committed
lint
murali-db
committed
refactor: Use ColumnName instead of String for schema diff paths

murali-db
and
claude
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fix: Replace unwrap with expect for linter compliance

murali-db
and
claude
committed
chore: Suppress dead code warnings for unused schema diff API

murali-db
and
claude
committed
refactor: Add SchemaDiffArgs struct to prevent argument confusion

murali-db
and
claude
committed
docs: Improve clarity of ancestor filtering comments

murali-db
and
claude
committed
style: Run cargo fmt to fix formatting

murali-db
and
claude
committed
perf: Optimize build_added_ancestor_paths from O(n²) to O(n)

murali-db
and
claude
committed
fix: Replace expect() with pattern matching for linter compliance

murali-db
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claude
committed
refactor: Replace defensive check with debug assertions

murali-db
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claude
committed
refactor: Simplify ancestor filtering by returning filtered fields directly

murali-db
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claude
committed
Format: Fix line length in schema diff
murali-db
committed
Optimize has_breaking_changes by computing once during construction

murali-db
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claude
committed
Add comprehensive unit test coverage for schema diff

murali-db
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claude
committed
Fix clippy warning: remove redundant closure

murali-db
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claude
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refactor: Move is_descendant_of to ColumnName impl

murali-db
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claude
committed
fix: Detect adding non-nullable fields as breaking changes

murali-db
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claude
committed
refactor: Consolidate container type change logic into single function

murali-db
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claude
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perf: Use pop() instead of clone for single change type

murali-db
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claude
committed
docs: Add TODO for IcebergCompatV2 nested field ID validation

murali-db
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claude
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refactor: Rename compare_fields_with_paths to compute_field_update

murali-db
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claude
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fix: Enforce physical name consistency in schema diff

murali-db
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claude
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refactor: Remove PhysicalNameChanged from FieldChangeType enum

murali-db
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claude
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refactor: Rename current/new to before/after in SchemaDiffArgs

murali-db
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claude
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test: Add has_breaking_changes assertions to schema diff tests

murali-db
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claude
committed
Improve test coverage for schema diff nested changes

murali-db
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claude
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Add test for doubly nested array type change detection

murali-db
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claude
committed
trigger PR update
murali-db
committed
Run cargo fmt
murali-db
committed
Replace unwrap with expect for linter compliance
murali-db
committed
refactor: Use unwrap_or_else with unreachable for clippy compliance
murali-db
committed
Run cargo fmt
murali-db
committed
refactor: Revert to cleaner slice pattern matching
murali-db
committed
refactor: Rename classify_type_change to classify_data_type_change

murali-db
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claude
committed
refactor: Add recursion to type change classification for arrays and maps

murali-db
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claude
committed
refactor: Extract container nullability check into helper function

murali-db
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claude
committed
fix: Improve map type change detection with better comments

murali-db
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claude
committed
refactor: Extract recursive container field collection into helper

murali-db
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claude
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fix: Treat metadata changes as breaking

murali-db
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claude
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test: Add has_breaking_changes assertion to empty diff test

murali-db
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claude
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Add comprehensive field count assertions to schema diff tests

murali-db
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claude
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Remove duplicate assertion in test_actual_struct_type_change_still_reported

murali-db
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claude
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Add breaking changes assertion after nested field check

murali-db
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claude
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Add breaking changes check to test_array_with_struct_element_changes

murali-db
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claude
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Add breaking changes check to test_ancestor_filtering_with_mixed_changes

murali-db
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claude
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Add nested array nullability change tests

murali-db
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Add cursed double-nesting test cases to schema diff tests

murali-db
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claude
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Treat field removals as safe (non-breaking) changes

murali-db
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claude
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Update kernel/src/schema/diff.rs

murali-db
and
OussamaSaoudi
committed
Update kernel/src/schema/diff.rs

murali-db
and
OussamaSaoudi
committed
Update kernel/src/schema/diff.rs

murali-db
and
OussamaSaoudi
committed
refactor: Optimize schema diff and add nullability tests

murali-db
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claude
committed
style: Apply cargo fmt formatting

murali-db
and
claude
committed

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