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FeatureView.proto
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104 lines (80 loc) · 3.46 KB
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//
// Copyright 2020 The Feast Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package feast.core;
option go_package = "github.com/feast-dev/feast/go/protos/feast/core";
option java_outer_classname = "FeatureViewProto";
option java_package = "feast.proto.core";
import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";
import "feast/core/DataSource.proto";
import "feast/core/Feature.proto";
message FeatureView {
// User-specified specifications of this feature view.
FeatureViewSpec spec = 1;
// System-populated metadata for this feature view.
FeatureViewMeta meta = 2;
}
// Next available id: 13
// TODO(adchia): refactor common fields from this and ODFV into separate metadata proto
message FeatureViewSpec {
// Name of the feature view. Must be unique. Not updated.
string name = 1;
// Name of Feast project that this feature view belongs to.
string project = 2;
// List of names of entities associated with this feature view.
repeated string entities = 3;
// List of specifications for each feature defined as part of this feature view.
repeated FeatureSpecV2 features = 4;
// List of specifications for each entity defined as part of this feature view.
repeated FeatureSpecV2 entity_columns = 12;
// Description of the feature view.
string description = 10;
// User defined metadata
map<string,string> tags = 5;
// Owner of the feature view.
string owner = 11;
// Features in this feature view can only be retrieved from online serving
// younger than ttl. Ttl is measured as the duration of time between
// the feature's event timestamp and when the feature is retrieved
// Feature values outside ttl will be returned as unset values and indicated to end user
google.protobuf.Duration ttl = 6;
// Batch/Offline DataSource where this view can retrieve offline feature data.
DataSource batch_source = 7;
// Streaming DataSource from where this view can consume "online" feature data.
DataSource stream_source = 9;
// Whether these features should be served online or not
// This is also used to determine whether the features should be written to the online store
bool online = 8;
// Whether these features should be written to the offline store
bool offline = 13;
repeated FeatureViewSpec source_views = 14;
}
message FeatureViewMeta {
// Time where this Feature View is created
google.protobuf.Timestamp created_timestamp = 1;
// Time where this Feature View is last updated
google.protobuf.Timestamp last_updated_timestamp = 2;
// List of pairs (start_time, end_time) for which this feature view has been materialized.
repeated MaterializationInterval materialization_intervals = 3;
}
message MaterializationInterval {
google.protobuf.Timestamp start_time = 1;
google.protobuf.Timestamp end_time = 2;
}
message FeatureViewList {
repeated FeatureView featureviews = 1;
}