feat: Store default values for the feature in the registry#336

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vanitabhagwat wants to merge 74 commits into

registry_defaults_featurefrom

registry_defaults

Commits on Jan 23, 2026

add default value field
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Commits on Jan 24, 2026

fixing mypy issues
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Commits on Jan 25, 2026

fixed formatting
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Commits on Jan 26, 2026

updated pydantic models
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add missing property
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Commits on Jan 27, 2026

fix test failueres
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Commits on Jan 28, 2026

added unit tests
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adding compiled protos
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Commits on Jan 29, 2026

generated protos
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add default value field
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fixing mypy issues
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fixed formatting
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updated pydantic models
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add missing property
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fix test failueres
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added unit tests
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adding compiled protos
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generated protos
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Merge branch 'registry_defaults' of https://github.com/ExpediaGroup/feast into registry_defaults
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Commits on Feb 27, 2026

test(01-02): add Float32, Float64, Bytes, and array type default_value tests
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feat(02-01): add JSON serialization for FieldModel.default_value
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test(02-01): add FieldModel default_value JSON serialization tests
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feat(02-02): add JSON serialization alias for FieldModel.default_value
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test(02-02): add Remote Registry proto roundtrip tests for default_value
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fix(02-02): add response_model_exclude_none for backwards compatibility
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fix(02-02): fix FieldModel default_value serialization
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docs(phase-2): complete Phase 2 Registry Services execution
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refactor(02-02): use snake_case for default_value field name
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docs(02-02): update verification to reflect snake_case naming
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feat(03-01): add DefaultValue to Field model
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test(03-01): add failing test for default value application
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feat(03-01): implement default value application in TransposeFeatureRowsIntoColumns
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feat(03-02): wire use_defaults through GetOnlineFeatures
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test(03-02): verify DefaultValue loaded from proto to model
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Commits on Feb 28, 2026

test(04-01): add failing test for range value defaulting
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feat(04-01): implement range value defaulting for Sorted FVs
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docs(04-01): complete range value defaulting plan
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feat(04-02): wire use_defaults through GetOnlineFeaturesRange request chain
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Commits on Mar 2, 2026

test(05-01): add failing STRICT mode tests for defaulting
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feat(05-01): implement STRICT mode validation and defaulting
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docs(05-01): complete STRICT mode implementation plan
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feat(05-02): add observability to default value application
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test(05-02): add test for feature defaults metric registration
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docs(05-02): complete default value observability plan
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docs(phase-05): add phase 5 planning artifacts and verification report
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test(phase-05): complete UAT - 6 passed, 1 issue
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test(phase-05): diagnose UAT issue - metric properly exposed
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docs(05): create gap closure plan to remove Prometheus metric
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refactor(05-03): remove Prometheus metric from serving.go
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test(05-03): remove Prometheus metric test from serving_test.go
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docs(05-03): complete remove Prometheus metrics plan
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docs(phase-05): close gap - Prometheus metrics removed per user feedback
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removing docs
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docs(06): create phase plan for AI Workbench default value display
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Commits on Mar 12, 2026

fix: resolve Python linting errors in expediagroup code

vbhagwat
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claude
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Commits on Mar 13, 2026

fix: apply ruff formatting to expediagroup code

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claude
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revert: undo unrelated cassandra/scylladb and http registry cleanup changes
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Commits on Mar 14, 2026

fix: critical bugs in default value implementation and revert unrelated changes
vanitabhagwat
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Commits on Mar 15, 2026

fix: code style consistency with existing Feast patterns
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style: apply ruff formatting to field.py
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fix: use mode='json' in FieldModel tests to trigger field_serializer
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fix: revert test pattern to match codebase standard (model_dump without mode parameter)

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Commits on Mar 16, 2026

fix: add when_used='always' to field_serializer for proto Value serialization

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fix: correct OUTSIDE_MAX_AGE handling and parseUseDefaultsMode test

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fix: use mode='json' in all FieldModel test serialization calls

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fix: remove mode='json' from tests and update parseUseDefaultsMode test

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fix: use model_dump_json/model_validate_json for true JSON roundtrips

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fix: use @model_serializer instead of @field_serializer for proto Value

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fix: access original proto Value from self in model_serializer

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fix: remove unused Callable import

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style: apply ruff formatting to field_model.py

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fix: use Annotated with PlainSerializer for proto Value serialization

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Commits on Mar 17, 2026

fix: use field_serializer with return_type for Python 3.10 compatibility

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fix: override model_dump directly for proto Value serialization

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