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feat: Switch from Feature to Field #2514

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merged 18 commits into from
Apr 12, 2022

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What this PR does / why we need it: This PR switches FeatureViews to declare features using the Field class and deprecates Feature. It also deprecates positional arguments for on demand feature views, and deprecates the features parameter for feature views and on demand feature views in favor of the schema parameter.

Which issue(s) this PR fixes:

Fixes #

Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
@felixwang9817 felixwang9817 requested a review from a team as a code owner April 9, 2022 02:12
@felixwang9817 felixwang9817 requested review from adchia and removed request for a team April 9, 2022 02:12
…eatures` to `schema`

Signed-off-by: Felix Wang <wangfelix98@gmail.com>
…ureView

Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
@felixwang9817 felixwang9817 force-pushed the feature_to_field branch 3 times, most recently from 8e51802 to e378145 Compare April 9, 2022 03:05
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codecov-commenter commented Apr 9, 2022

Codecov Report

Merging #2514 (9bd3761) into master (46b9044) will increase coverage by 0.80%.
The diff coverage is 94.89%.

@@            Coverage Diff             @@
##           master    #2514      +/-   ##
==========================================
+ Coverage   84.43%   85.23%   +0.80%     
==========================================
  Files         134      133       -1     
  Lines       11249    11232      -17     
==========================================
+ Hits         9498     9574      +76     
+ Misses       1751     1658      -93     
Flag Coverage Δ
integrationtests 74.09% <91.83%> (-0.11%) ⬇️
unittests 59.68% <62.24%> (+0.49%) ⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files Coverage Δ
...n/tests/integration/registration/test_inference.py 100.00% <ø> (ø)
...tegration/feature_repos/universal/feature_views.py 83.07% <80.00%> (-0.80%) ⬇️
sdk/python/feast/feature_view_projection.py 96.42% <85.71%> (-3.58%) ⬇️
sdk/python/feast/on_demand_feature_view.py 95.28% <92.10%> (+0.16%) ⬆️
sdk/python/feast/__init__.py 91.66% <100.00%> (+0.75%) ⬆️
sdk/python/feast/base_feature_view.py 80.00% <100.00%> (+0.68%) ⬆️
sdk/python/feast/feature_view.py 85.89% <100.00%> (+0.76%) ⬆️
sdk/python/feast/inference.py 85.91% <100.00%> (+0.62%) ⬆️
sdk/python/feast/infra/provider.py 89.51% <100.00%> (ø)
sdk/python/feast/request_feature_view.py 67.56% <100.00%> (ø)
... and 21 more

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looks good overall

docs/getting-started/concepts/feature-view.md Show resolved Hide resolved

from feast import Entity, Feature, FeatureView, FileSource, ValueType
from feast import Entity, FeatureView, Field, FileSource, Float32, Int64, ValueType
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should we import the types from a different namespace? To keep things better organized? I'm okay with things the way they are for now but just floating the idea.

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ah that's a good (non-blocking) idea - I think from feast.typing import Float32, Int64 etc. would be much cleaner

@@ -64,7 +64,7 @@ def __init__(

Args:
name: The unique name of the base feature view.
features: The list of features defined as part of this base feature view.
features (optional): The list of features defined as part of this base feature view.
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nit, list of fields? fine with list of features

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prefer list of features since features here actually refers to features; e.g. I would consider schema a list of fields since it contains not just features but also join keys, but features I consider a list of features

Comment on lines -76 to -77
if not name:
raise ValueError("Name needs to be provided")
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Is there a reason this was removed?

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I think it's a bit unnecessary since this initialization happens only internally; the check should still happen so I'm going to switch to an assert (since we expect it to always pass)

Comment on lines +197 to +200
# TODO(felixwang9817): Infer which fields in the schema are features, timestamps,
# and entities. For right now we assume that all fields are features, since the
# current `features` parameter only accepts feature columns.
_features = _schema
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Is the intention that schema should always include the timestamps and entities? Or that they can be optionally included, and we'll try to infer and split them if they are in the schema?

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the latter - we should continue to support inference

specifically, our current inference logic should be fine - timestamp columns are inferred based on the underlying data sources, entity columns are inferred based on entity join keys, and feature columns are the remaining

Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
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/lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: achals, felixwang9817

The full list of commands accepted by this bot can be found here.

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  • OWNERS [achals,felixwang9817]

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@feast-ci-bot feast-ci-bot merged commit 6a03bed into feast-dev:master Apr 12, 2022
achals pushed a commit that referenced this pull request Apr 14, 2022
# [0.20.0](v0.19.0...v0.20.0) (2022-04-14)

### Bug Fixes

* Add inlined data sources to the top level registry ([#2456](#2456)) ([356788a](356788a))
* Add new value types to types.ts for web ui ([#2463](#2463)) ([ad5694e](ad5694e))
* Add PushSource proto and Python class ([#2428](#2428)) ([9a4bd63](9a4bd63))
* Add spark to lambda dockerfile ([#2480](#2480)) ([514666f](514666f))
* Added private_key auth for Snowflake ([#2508](#2508)) ([c42c9b0](c42c9b0))
* Added Redshift and Spark typecheck to data_source event_timestamp_col inference ([#2389](#2389)) ([04dea73](04dea73))
* Building of go extension fails ([#2448](#2448)) ([7d1efd5](7d1efd5))
* Bump the number of versions bumps expected to 27 ([#2549](#2549)) ([ecc9938](ecc9938))
* Create __init__ files for the proto-generated python dirs ([#2410](#2410)) ([e17028d](e17028d))
* Don't prevent apply from running given duplicate empty names in data sources. Also fix repeated apply of Spark data source. ([#2415](#2415)) ([b95f441](b95f441))
* Dynamodb deduplicate batch write request by partition keys ([#2515](#2515)) ([70d4a13](70d4a13))
* Ensure that __init__ files exist in proto dirs ([#2433](#2433)) ([9b94f7b](9b94f7b))
* Fix DataSource constructor to unbreak custom data sources ([#2492](#2492)) ([712653e](712653e))
* Fix default feast apply path without any extras ([#2373](#2373)) ([6ba7fc7](6ba7fc7))
* Fix definitions.py with new definition ([#2541](#2541)) ([eefc34a](eefc34a))
* Fix entity row to use join key instead of name ([#2521](#2521)) ([c22fa2c](c22fa2c))
* Fix Java Master ([#2499](#2499)) ([e083458](e083458))
* Fix registry proto ([#2435](#2435)) ([ea6a9b2](ea6a9b2))
* Fix some inconsistencies in the docs and comments in the code ([#2444](#2444)) ([ad008bf](ad008bf))
* Fix spark docs ([#2382](#2382)) ([d4a606a](d4a606a))
* Fix Spark template to work correctly on feast init -t spark ([#2393](#2393)) ([ae133fd](ae133fd))
* Fix the feature repo fixture used by java tests  ([#2469](#2469)) ([32e925e](32e925e))
* Fix unhashable Snowflake and Redshift sources ([cd8f1c9](cd8f1c9))
* Fixed bug in passing config file params to snowflake python connector ([#2503](#2503)) ([34f2b59](34f2b59))
* Fixing Spark template to include source name ([#2381](#2381)) ([a985f1d](a985f1d))
* Make name a keyword arg for the Entity class ([#2467](#2467)) ([43847de](43847de))
* Making a name for data sources not a breaking change ([#2379](#2379)) ([71d7ae2](71d7ae2))
* Minor link fix in `CONTRIBUTING.md` ([#2481](#2481)) ([2917e27](2917e27))
* Preserve ordering of features in _get_column_names ([#2457](#2457)) ([495b435](495b435))
* Relax click python requirement to >=7 ([#2450](#2450)) ([f202f92](f202f92))
* Remove date partition column field from datasources that don't s… ([#2478](#2478)) ([ce35835](ce35835))
* Remove docker step from unit test workflow ([#2535](#2535)) ([6f22f22](6f22f22))
* Remove spark from the AWS Lambda dockerfile ([#2498](#2498)) ([6abae16](6abae16))
* Request data api update ([#2488](#2488)) ([0c9e5b7](0c9e5b7))
* Schema update ([#2509](#2509)) ([cf7bbc2](cf7bbc2))
* Simplify DataSource.from_proto logic ([#2424](#2424)) ([6bda4d2](6bda4d2))
* Snowflake api update ([#2487](#2487)) ([1181a9e](1181a9e))
* Support passing batch source to streaming sources for backfills ([#2523](#2523)) ([90db1d1](90db1d1))
* Timestamp update ([#2486](#2486)) ([bf23111](bf23111))
* Typos in Feast UI error message ([#2432](#2432)) ([e14369d](e14369d))
* Update feature view APIs to prefer keyword args ([#2472](#2472)) ([7c19cf7](7c19cf7))
* Update file api ([#2470](#2470)) ([83a11c6](83a11c6))
* Update Makefile to cd into python dir before running commands ([#2437](#2437)) ([ca32155](ca32155))
* Update redshift api ([#2479](#2479)) ([4fa73a9](4fa73a9))
* Update some fields optional in UI parser ([#2380](#2380)) ([cff7ac3](cff7ac3))
* Use a single version of jackson libraries and upgrade to 2.12.6.1 ([#2473](#2473)) ([5be1cc6](5be1cc6))
* Use dateutil parser to parse materialization times ([#2464](#2464)) ([6c55e49](6c55e49))
* Use the correct dockerhub image tag when building feature servers ([#2372](#2372)) ([0d62c1d](0d62c1d))

### Features

* Add `/write-to-online-store` method to the python feature server ([#2423](#2423)) ([d2fb048](d2fb048))
* Add description, tags, owner fields to all feature view classes ([#2440](#2440)) ([ed5e928](ed5e928))
* Add DQM Logging on GRPC Server with FileLogStorage for Testing ([#2403](#2403)) ([57a97d8](57a97d8))
* Add Feast types in preparation for changing type system ([#2475](#2475)) ([4864252](4864252))
* Add Field class ([#2500](#2500)) ([1279612](1279612))
* Add support for DynamoDB online_read in batches ([#2371](#2371)) ([702ec49](702ec49))
* Add Support for DynamodbOnlineStoreConfig endpoint_url parameter ([#2485](#2485)) ([7b863d1](7b863d1))
* Add templating for dynamodb table name ([#2394](#2394)) ([f591088](f591088))
* Allow local feature server to use Go feature server if enabled ([#2538](#2538)) ([a2ef375](a2ef375))
* Allow using entity's join_key in get_online_features ([#2420](#2420)) ([068c765](068c765))
* Data Source Api Update ([#2468](#2468)) ([6b96b21](6b96b21))
* Go server ([#2339](#2339)) ([d12e7ef](d12e7ef)), closes [#2354](#2354) [#2361](#2361) [#2332](#2332) [#2356](#2356) [#2363](#2363) [#2349](#2349) [#2355](#2355) [#2336](#2336) [#2361](#2361) [#2363](#2363) [#2344](#2344) [#2354](#2354) [#2347](#2347) [#2350](#2350) [#2356](#2356) [#2355](#2355) [#2349](#2349) [#2352](#2352) [#2341](#2341) [#2336](#2336) [#2373](#2373) [#2315](#2315) [#2372](#2372) [#2332](#2332) [#2349](#2349) [#2336](#2336) [#2361](#2361) [#2363](#2363) [#2344](#2344) [#2354](#2354) [#2347](#2347) [#2350](#2350) [#2356](#2356) [#2355](#2355) [#2349](#2349) [#2352](#2352) [#2341](#2341) [#2336](#2336) [#2373](#2373) [#2379](#2379) [#2380](#2380) [#2382](#2382) [#2364](#2364) [#2366](#2366) [#2386](#2386)
* Graduate write_to_online_store out of experimental status ([#2426](#2426)) ([e7dd4b7](e7dd4b7))
* Make feast PEP 561 compliant ([#2405](#2405)) ([3c41f94](3c41f94)), closes [#2420](#2420) [#2418](#2418) [#2425](#2425) [#2426](#2426) [#2427](#2427) [#2431](#2431) [#2433](#2433) [#2420](#2420) [#2418](#2418) [#2425](#2425) [#2426](#2426) [#2427](#2427) [#2431](#2431) [#2433](#2433)
* Makefile for contrib for Issue [#2364](#2364) ([#2366](#2366)) ([a02325b](a02325b))
* Support on demand feature views in go feature server ([#2494](#2494)) ([6edd274](6edd274))
* Switch from Feature to Field ([#2514](#2514)) ([6a03bed](6a03bed))
* Use a daemon thread to monitor the go feature server exclusively ([#2391](#2391)) ([0bb5e8c](0bb5e8c))
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