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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>feast: Go Coverage Report</title>
<style>
body {
background: black;
color: rgb(80, 80, 80);
}
body, pre, #legend span {
font-family: Menlo, monospace;
font-weight: bold;
}
#topbar {
background: black;
position: fixed;
top: 0; left: 0; right: 0;
height: 42px;
border-bottom: 1px solid rgb(80, 80, 80);
}
#content {
margin-top: 50px;
}
#nav, #legend {
float: left;
margin-left: 10px;
}
#legend {
margin-top: 12px;
}
#nav {
margin-top: 10px;
}
#legend span {
margin: 0 5px;
}
.cov0 { color: rgb(192, 0, 0) }
.cov1 { color: rgb(128, 128, 128) }
.cov2 { color: rgb(116, 140, 131) }
.cov3 { color: rgb(104, 152, 134) }
.cov4 { color: rgb(92, 164, 137) }
.cov5 { color: rgb(80, 176, 140) }
.cov6 { color: rgb(68, 188, 143) }
.cov7 { color: rgb(56, 200, 146) }
.cov8 { color: rgb(44, 212, 149) }
.cov9 { color: rgb(32, 224, 152) }
.cov10 { color: rgb(20, 236, 155) }
</style>
</head>
<body>
<div id="topbar">
<div id="nav">
<select id="files">
<option value="file0">github.com/feast-dev/feast/go/internal/feast/featurestore.go (11.4%)</option>
<option value="file1">github.com/feast-dev/feast/go/internal/feast/onlineserving/serving.go (49.1%)</option>
<option value="file2">github.com/feast-dev/feast/go/internal/feast/onlinestore/onlinestore.go (0.0%)</option>
<option value="file3">github.com/feast-dev/feast/go/internal/feast/onlinestore/redisonlinestore.go (53.5%)</option>
<option value="file4">github.com/feast-dev/feast/go/internal/feast/onlinestore/sqliteonlinestore.go (78.4%)</option>
<option value="file5">github.com/feast-dev/feast/go/internal/feast/registry/http.go (67.4%)</option>
<option value="file6">github.com/feast-dev/feast/go/internal/feast/registry/local.go (0.0%)</option>
<option value="file7">github.com/feast-dev/feast/go/internal/feast/registry/registry.go (0.0%)</option>
<option value="file8">github.com/feast-dev/feast/go/internal/feast/registry/repoconfig.go (88.5%)</option>
<option value="file9">github.com/feast-dev/feast/go/internal/feast/server/grpc_server.go (75.0%)</option>
<option value="file10">github.com/feast-dev/feast/go/internal/feast/server/http_server.go (22.4%)</option>
<option value="file11">github.com/feast-dev/feast/go/internal/feast/server/logging/featureserviceschema.go (78.0%)</option>
<option value="file12">github.com/feast-dev/feast/go/internal/feast/server/logging/filelogsink.go (75.0%)</option>
<option value="file13">github.com/feast-dev/feast/go/internal/feast/server/logging/logger.go (71.0%)</option>
<option value="file14">github.com/feast-dev/feast/go/internal/feast/server/logging/memorybuffer.go (82.4%)</option>
<option value="file15">github.com/feast-dev/feast/go/internal/feast/server/logging/offlinestoresink.go (0.0%)</option>
<option value="file16">github.com/feast-dev/feast/go/internal/feast/server/logging/service.go (0.0%)</option>
<option value="file17">github.com/feast-dev/feast/go/internal/feast/server/server_commons.go (100.0%)</option>
<option value="file18">github.com/feast-dev/feast/go/main.go (3.7%)</option>
<option value="file19">github.com/feast-dev/feast/go/types/typeconversion.go (86.1%)</option>
</select>
</div>
<div id="legend">
<span>not tracked</span>
<span class="cov0">not covered</span>
<span class="cov8">covered</span>
</div>
</div>
<div id="content">
<pre class="file" id="file0" style="display: none">package feast
import (
"context"
"errors"
"fmt"
"os"
"strings"
"github.com/apache/arrow/go/v8/arrow/memory"
"gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer"
"github.com/feast-dev/feast/go/internal/feast/model"
"github.com/feast-dev/feast/go/internal/feast/onlineserving"
"github.com/feast-dev/feast/go/internal/feast/onlinestore"
"github.com/feast-dev/feast/go/internal/feast/registry"
"github.com/feast-dev/feast/go/internal/feast/transformation"
"github.com/feast-dev/feast/go/protos/feast/serving"
prototypes "github.com/feast-dev/feast/go/protos/feast/types"
)
type FeatureStoreInterface interface {
GetOnlineFeatures(
ctx context.Context,
featureRefs []string,
featureService *model.FeatureService,
joinKeyToEntityValues map[string]*prototypes.RepeatedValue,
requestData map[string]*prototypes.RepeatedValue,
fullFeatureNames bool) ([]*onlineserving.FeatureVector, error)
}
type FeatureStore struct {
config *registry.RepoConfig
registry *registry.Registry
onlineStore onlinestore.OnlineStore
transformationCallback transformation.TransformationCallback
transformationService *transformation.GrpcTransformationService
}
// A Features struct specifies a list of features to be retrieved from the online store. These features
// can be specified either as a list of string feature references or as a feature service. String
// feature references must have format "feature_view:feature", e.g. "customer_fv:daily_transactions".
type Features struct {
FeaturesRefs []string
FeatureService *model.FeatureService
}
func (fs *FeatureStore) Registry() *registry.Registry <span class="cov0" title="0">{
return fs.registry
}</span>
func (fs *FeatureStore) GetRepoConfig() *registry.RepoConfig <span class="cov0" title="0">{
return fs.config
}</span>
// NewFeatureStore constructs a feature store fat client using the
// repo config (contents of feature_store.yaml converted to JSON map).
func NewFeatureStore(config *registry.RepoConfig, callback transformation.TransformationCallback) (*FeatureStore, error) <span class="cov8" title="1">{
onlineStore, err := onlinestore.NewOnlineStore(config)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov8" title="1">registryConfig, err := config.GetRegistryConfig()
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov8" title="1">registry, err := registry.NewRegistry(registryConfig, config.RepoPath, config.Project)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov8" title="1">err = registry.InitializeRegistry()
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov8" title="1">sanitizedProjectName := strings.Replace(config.Project, "_", "-", -1)
productName := os.Getenv("PRODUCT")
endpoint := fmt.Sprintf("%s-transformations.%s.svc.cluster.local:80", sanitizedProjectName, productName)
transformationService, _ := transformation.NewGrpcTransformationService(config, endpoint)
return &FeatureStore{
config: config,
registry: registry,
onlineStore: onlineStore,
transformationCallback: callback,
transformationService: transformationService,
}, nil</span>
}
// TODO: Review all functions that use ODFV and Request FV since these have not been tested
// ToDo: Split GetOnlineFeatures interface into two: GetOnlinFeaturesByFeatureService and GetOnlineFeaturesByFeatureRefs
func (fs *FeatureStore) GetOnlineFeatures(
ctx context.Context,
featureRefs []string,
featureService *model.FeatureService,
joinKeyToEntityValues map[string]*prototypes.RepeatedValue,
requestData map[string]*prototypes.RepeatedValue,
fullFeatureNames bool) ([]*onlineserving.FeatureVector, error) <span class="cov0" title="0">{
fvs, odFvs, err := fs.ListAllViews()
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">entities, err := fs.ListEntities(false)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">var requestedFeatureViews []*onlineserving.FeatureViewAndRefs
var requestedOnDemandFeatureViews []*model.OnDemandFeatureView
if featureService != nil </span><span class="cov0" title="0">{
requestedFeatureViews, requestedOnDemandFeatureViews, err =
onlineserving.GetFeatureViewsToUseByService(featureService, fvs, odFvs)
}</span> else<span class="cov0" title="0"> {
requestedFeatureViews, requestedOnDemandFeatureViews, err =
onlineserving.GetFeatureViewsToUseByFeatureRefs(featureRefs, fvs, odFvs)
}</span>
<span class="cov0" title="0">if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">entityNameToJoinKeyMap, expectedJoinKeysSet, err := onlineserving.GetEntityMaps(requestedFeatureViews, entities)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">err = onlineserving.ValidateFeatureRefs(requestedFeatureViews, fullFeatureNames)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">numRows, err := onlineserving.ValidateEntityValues(joinKeyToEntityValues, requestData, expectedJoinKeysSet)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">err = transformation.EnsureRequestedDataExist(requestedOnDemandFeatureViews, requestData)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">result := make([]*onlineserving.FeatureVector, 0)
arrowMemory := memory.NewGoAllocator()
featureViews := make([]*model.FeatureView, len(requestedFeatureViews))
index := 0
for _, featuresAndView := range requestedFeatureViews </span><span class="cov0" title="0">{
featureViews[index] = featuresAndView.View
index += 1
}</span>
<span class="cov0" title="0">entitylessCase := false
for _, featureView := range featureViews </span><span class="cov0" title="0">{
if featureView.HasEntity(model.DUMMY_ENTITY_NAME) </span><span class="cov0" title="0">{
entitylessCase = true
break</span>
}
}
<span class="cov0" title="0">if entitylessCase </span><span class="cov0" title="0">{
dummyEntityColumn := &prototypes.RepeatedValue{Val: make([]*prototypes.Value, numRows)}
for index := 0; index < numRows; index++ </span><span class="cov0" title="0">{
dummyEntityColumn.Val[index] = &model.DUMMY_ENTITY_VALUE
}</span>
<span class="cov0" title="0">joinKeyToEntityValues[model.DUMMY_ENTITY_ID] = dummyEntityColumn</span>
}
<span class="cov0" title="0">groupedRefs, err := onlineserving.GroupFeatureRefs(requestedFeatureViews, joinKeyToEntityValues, entityNameToJoinKeyMap, fullFeatureNames)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">for _, groupRef := range groupedRefs </span><span class="cov0" title="0">{
featureData, err := fs.readFromOnlineStore(ctx, groupRef.EntityKeys, groupRef.FeatureViewNames, groupRef.FeatureNames)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">vectors, err := onlineserving.TransposeFeatureRowsIntoColumns(
featureData,
groupRef,
requestedFeatureViews,
arrowMemory,
numRows,
)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">result = append(result, vectors...)</span>
}
<span class="cov0" title="0">if fs.transformationCallback != nil || fs.transformationService != nil </span><span class="cov0" title="0">{
onDemandFeatures, err := transformation.AugmentResponseWithOnDemandTransforms(
ctx,
requestedOnDemandFeatureViews,
requestData,
joinKeyToEntityValues,
result,
fs.transformationCallback,
fs.transformationService,
arrowMemory,
numRows,
fullFeatureNames,
)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">result = append(result, onDemandFeatures...)</span>
}
<span class="cov0" title="0">result, err = onlineserving.KeepOnlyRequestedFeatures(result, featureRefs, featureService, fullFeatureNames)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">entityColumns, err := onlineserving.EntitiesToFeatureVectors(joinKeyToEntityValues, arrowMemory, numRows)
result = append(entityColumns, result...)
return result, nil</span>
}
func (fs *FeatureStore) DestructOnlineStore() <span class="cov0" title="0">{
fs.onlineStore.Destruct()
}</span>
// ParseFeatures parses the kind field of a GetOnlineFeaturesRequest protobuf message
// and populates a Features struct with the result.
func (fs *FeatureStore) ParseFeatures(kind interface{}) (*Features, error) <span class="cov0" title="0">{
if featureList, ok := kind.(*serving.GetOnlineFeaturesRequest_Features); ok </span><span class="cov0" title="0">{
return &Features{FeaturesRefs: featureList.Features.GetVal(), FeatureService: nil}, nil
}</span>
<span class="cov0" title="0">if featureServiceRequest, ok := kind.(*serving.GetOnlineFeaturesRequest_FeatureService); ok </span><span class="cov0" title="0">{
featureService, err := fs.registry.GetFeatureService(fs.config.Project, featureServiceRequest.FeatureService)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">return &Features{FeaturesRefs: nil, FeatureService: featureService}, nil</span>
}
<span class="cov0" title="0">return nil, errors.New("cannot parse kind from GetOnlineFeaturesRequest")</span>
}
func (fs *FeatureStore) GetFeatureService(name string) (*model.FeatureService, error) <span class="cov0" title="0">{
return fs.registry.GetFeatureService(fs.config.Project, name)
}</span>
func (fs *FeatureStore) ListAllViews() (map[string]*model.FeatureView, map[string]*model.OnDemandFeatureView, error) <span class="cov0" title="0">{
fvs := make(map[string]*model.FeatureView)
odFvs := make(map[string]*model.OnDemandFeatureView)
featureViews, err := fs.ListFeatureViews()
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
<span class="cov0" title="0">for _, featureView := range featureViews </span><span class="cov0" title="0">{
fvs[featureView.Base.Name] = featureView
}</span>
<span class="cov0" title="0">streamFeatureViews, err := fs.ListStreamFeatureViews()
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
<span class="cov0" title="0">for _, streamFeatureView := range streamFeatureViews </span><span class="cov0" title="0">{
fvs[streamFeatureView.Base.Name] = streamFeatureView
}</span>
<span class="cov0" title="0">onDemandFeatureViews, err := fs.registry.ListOnDemandFeatureViews(fs.config.Project)
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
<span class="cov0" title="0">for _, onDemandFeatureView := range onDemandFeatureViews </span><span class="cov0" title="0">{
odFvs[onDemandFeatureView.Base.Name] = onDemandFeatureView
}</span>
<span class="cov0" title="0">return fvs, odFvs, nil</span>
}
func (fs *FeatureStore) ListFeatureViews() ([]*model.FeatureView, error) <span class="cov0" title="0">{
featureViews, err := fs.registry.ListFeatureViews(fs.config.Project)
if err != nil </span><span class="cov0" title="0">{
return featureViews, err
}</span>
<span class="cov0" title="0">return featureViews, nil</span>
}
func (fs *FeatureStore) ListStreamFeatureViews() ([]*model.FeatureView, error) <span class="cov0" title="0">{
streamFeatureViews, err := fs.registry.ListStreamFeatureViews(fs.config.Project)
if err != nil </span><span class="cov0" title="0">{
return streamFeatureViews, err
}</span>
<span class="cov0" title="0">return streamFeatureViews, nil</span>
}
func (fs *FeatureStore) ListEntities(hideDummyEntity bool) ([]*model.Entity, error) <span class="cov0" title="0">{
allEntities, err := fs.registry.ListEntities(fs.config.Project)
if err != nil </span><span class="cov0" title="0">{
return allEntities, err
}</span>
<span class="cov0" title="0">entities := make([]*model.Entity, 0)
for _, entity := range allEntities </span><span class="cov0" title="0">{
if entity.Name != model.DUMMY_ENTITY_NAME || !hideDummyEntity </span><span class="cov0" title="0">{
entities = append(entities, entity)
}</span>
}
<span class="cov0" title="0">return entities, nil</span>
}
func (fs *FeatureStore) GetEntity(entityName string, hideDummyEntity bool) (*model.Entity, error) <span class="cov0" title="0">{
entity, err := fs.registry.GetEntity(fs.config.Project, entityName)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">return entity, nil</span>
}
func (fs *FeatureStore) GetRequestSources(odfvList []*model.OnDemandFeatureView) (map[string]prototypes.ValueType_Enum, error) <span class="cov8" title="1">{
requestSources := make(map[string]prototypes.ValueType_Enum, 0)
if len(odfvList) > 0 </span><span class="cov8" title="1">{
for _, odfv := range odfvList </span><span class="cov8" title="1">{
schema := odfv.GetRequestDataSchema()
for name, dtype := range schema </span><span class="cov8" title="1">{
requestSources[name] = dtype
}</span>
}
}
<span class="cov8" title="1">return requestSources, nil</span>
}
func (fs *FeatureStore) ListOnDemandFeatureViews() ([]*model.OnDemandFeatureView, error) <span class="cov0" title="0">{
return fs.registry.ListOnDemandFeatureViews(fs.config.Project)
}</span>
/*
Group feature views that share the same set of join keys. For each group, we store only unique rows and save indices to retrieve those
rows for each requested feature
*/
func (fs *FeatureStore) GetFeatureView(featureViewName string, hideDummyEntity bool) (*model.FeatureView, error) <span class="cov0" title="0">{
fv, err := fs.registry.GetFeatureView(fs.config.Project, featureViewName)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">if fv.HasEntity(model.DUMMY_ENTITY_NAME) && hideDummyEntity </span><span class="cov0" title="0">{
fv.EntityNames = []string{}
}</span>
<span class="cov0" title="0">return fv, nil</span>
}
func (fs *FeatureStore) GetOnDemandFeatureView(featureViewName string) (*model.OnDemandFeatureView, error) <span class="cov0" title="0">{
fv, err := fs.registry.GetOnDemandFeatureView(fs.config.Project, featureViewName)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">return fv, nil</span>
}
func (fs *FeatureStore) readFromOnlineStore(ctx context.Context, entityRows []*prototypes.EntityKey,
requestedFeatureViewNames []string,
requestedFeatureNames []string,
) ([][]onlinestore.FeatureData, error) <span class="cov0" title="0">{
// Create a Datadog span from context
span, _ := tracer.StartSpanFromContext(ctx, "fs.readFromOnlineStore")
defer span.Finish()
numRows := len(entityRows)
entityRowsValue := make([]*prototypes.EntityKey, numRows)
for index, entityKey := range entityRows </span><span class="cov0" title="0">{
entityRowsValue[index] = &prototypes.EntityKey{JoinKeys: entityKey.JoinKeys, EntityValues: entityKey.EntityValues}
}</span>
<span class="cov0" title="0">return fs.onlineStore.OnlineRead(ctx, entityRowsValue, requestedFeatureViewNames, requestedFeatureNames)</span>
}
func (fs *FeatureStore) GetFcosMap() (map[string]*model.Entity, map[string]*model.FeatureView, map[string]*model.OnDemandFeatureView, error) <span class="cov0" title="0">{
odfvs, err := fs.ListOnDemandFeatureViews()
if err != nil </span><span class="cov0" title="0">{
return nil, nil, nil, err
}</span>
<span class="cov0" title="0">fvs, err := fs.ListFeatureViews()
if err != nil </span><span class="cov0" title="0">{
return nil, nil, nil, err
}</span>
<span class="cov0" title="0">entities, err := fs.ListEntities(true)
if err != nil </span><span class="cov0" title="0">{
return nil, nil, nil, err
}</span>
<span class="cov0" title="0">entityMap := make(map[string]*model.Entity)
for _, entity := range entities </span><span class="cov0" title="0">{
entityMap[entity.Name] = entity
}</span>
<span class="cov0" title="0">fvMap := make(map[string]*model.FeatureView)
for _, fv := range fvs </span><span class="cov0" title="0">{
fvMap[fv.Base.Name] = fv
}</span>
<span class="cov0" title="0">odfvMap := make(map[string]*model.OnDemandFeatureView)
for _, odfv := range odfvs </span><span class="cov0" title="0">{
odfvMap[odfv.Base.Name] = odfv
}</span>
<span class="cov0" title="0">return entityMap, fvMap, odfvMap, nil</span>
}
</pre>
<pre class="file" id="file1" style="display: none">package onlineserving
import (
"crypto/sha256"
"errors"
"fmt"
"sort"
"strings"
"github.com/apache/arrow/go/v8/arrow"
"github.com/apache/arrow/go/v8/arrow/memory"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/durationpb"
"google.golang.org/protobuf/types/known/timestamppb"
"github.com/feast-dev/feast/go/internal/feast/model"
"github.com/feast-dev/feast/go/internal/feast/onlinestore"
"github.com/feast-dev/feast/go/protos/feast/serving"
prototypes "github.com/feast-dev/feast/go/protos/feast/types"
"github.com/feast-dev/feast/go/types"
)
/*
FeatureVector type represent result of retrieving single feature for multiple rows.
It can be imagined as a column in output dataframe / table.
It contains of feature name, list of values (across all rows),
list of statuses and list of timestamp. All these lists have equal length.
And this length is also equal to number of entity rows received in request.
*/
type FeatureVector struct {
Name string
Values arrow.Array
Statuses []serving.FieldStatus
Timestamps []*timestamppb.Timestamp
}
type FeatureViewAndRefs struct {
View *model.FeatureView
FeatureRefs []string
}
/*
We group all features from a single request by entities they attached to.
Thus, we will be able to call online retrieval per entity and not per each feature View.
In this struct we collect all features and views that belongs to a group.
We also store here projected entity keys (only ones that needed to retrieve these features)
and indexes to map result of retrieval into output response.
*/
type GroupedFeaturesPerEntitySet struct {
// A list of requested feature references of the form featureViewName:featureName that share this entity set
FeatureNames []string
FeatureViewNames []string
// full feature references as they supposed to appear in response
AliasedFeatureNames []string
// Entity set as a list of EntityKeys to pass to OnlineRead
EntityKeys []*prototypes.EntityKey
// Reversed mapping to project result of retrieval from storage to response
Indices [][]int
}
/*
Return
(1) requested feature views and features grouped per View
(2) requested on demand feature views
existed in the registry
*/
func GetFeatureViewsToUseByService(
featureService *model.FeatureService,
featureViews map[string]*model.FeatureView,
onDemandFeatureViews map[string]*model.OnDemandFeatureView) ([]*FeatureViewAndRefs, []*model.OnDemandFeatureView, error) <span class="cov8" title="1">{
viewNameToViewAndRefs := make(map[string]*FeatureViewAndRefs)
odFvsToUse := make([]*model.OnDemandFeatureView, 0)
for _, featureProjection := range featureService.Projections </span><span class="cov8" title="1">{
// Create copies of FeatureView that may contains the same *FeatureView but
// each differentiated by a *FeatureViewProjection
featureViewName := featureProjection.Name
if fv, ok := featureViews[featureViewName]; ok </span><span class="cov8" title="1">{
base, err := fv.Base.WithProjection(featureProjection)
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
<span class="cov8" title="1">if _, ok := viewNameToViewAndRefs[featureProjection.NameToUse()]; !ok </span><span class="cov8" title="1">{
viewNameToViewAndRefs[featureProjection.NameToUse()] = &FeatureViewAndRefs{
View: fv.NewFeatureViewFromBase(base),
FeatureRefs: []string{},
}
}</span>
<span class="cov8" title="1">for _, feature := range featureProjection.Features </span><span class="cov8" title="1">{
viewNameToViewAndRefs[featureProjection.NameToUse()].FeatureRefs =
addStringIfNotContains(viewNameToViewAndRefs[featureProjection.NameToUse()].FeatureRefs,
feature.Name)
}</span>
} else<span class="cov8" title="1"> if odFv, ok := onDemandFeatureViews[featureViewName]; ok </span><span class="cov8" title="1">{
projectedOdFv, err := odFv.NewWithProjection(featureProjection)
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
<span class="cov8" title="1">odFvsToUse = append(odFvsToUse, projectedOdFv)
err = extractOdFvDependencies(
projectedOdFv,
featureViews,
viewNameToViewAndRefs)
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
} else<span class="cov0" title="0"> {
return nil, nil, fmt.Errorf("the provided feature service %s contains a reference to a feature View"+
"%s which doesn't exist, please make sure that you have created the feature View"+
"%s and that you have registered it by running \"apply\"", featureService.Name, featureViewName, featureViewName)
}</span>
}
<span class="cov8" title="1">fvsToUse := make([]*FeatureViewAndRefs, 0)
for _, viewAndRef := range viewNameToViewAndRefs </span><span class="cov8" title="1">{
fvsToUse = append(fvsToUse, viewAndRef)
}</span>
<span class="cov8" title="1">return fvsToUse, odFvsToUse, nil</span>
}
/*
Return
(1) requested feature views and features grouped per View
(2) requested on demand feature views
existed in the registry
*/
func GetFeatureViewsToUseByFeatureRefs(
features []string,
featureViews map[string]*model.FeatureView,
onDemandFeatureViews map[string]*model.OnDemandFeatureView) ([]*FeatureViewAndRefs, []*model.OnDemandFeatureView, error) <span class="cov8" title="1">{
viewNameToViewAndRefs := make(map[string]*FeatureViewAndRefs)
odFvToFeatures := make(map[string][]string)
for _, featureRef := range features </span><span class="cov8" title="1">{
featureViewName, featureName, err := ParseFeatureReference(featureRef)
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
<span class="cov8" title="1">if fv, ok := featureViews[featureViewName]; ok </span><span class="cov8" title="1">{
if viewAndRef, ok := viewNameToViewAndRefs[fv.Base.Name]; ok </span><span class="cov8" title="1">{
viewAndRef.FeatureRefs = addStringIfNotContains(viewAndRef.FeatureRefs, featureName)
}</span> else<span class="cov8" title="1"> {
viewNameToViewAndRefs[fv.Base.Name] = &FeatureViewAndRefs{
View: fv,
FeatureRefs: []string{featureName},
}
}</span>
} else<span class="cov8" title="1"> if odfv, ok := onDemandFeatureViews[featureViewName]; ok </span><span class="cov8" title="1">{
if _, ok := odFvToFeatures[odfv.Base.Name]; !ok </span><span class="cov8" title="1">{
odFvToFeatures[odfv.Base.Name] = []string{featureName}
}</span> else<span class="cov0" title="0"> {
odFvToFeatures[odfv.Base.Name] = append(
odFvToFeatures[odfv.Base.Name], featureName)
}</span>
} else<span class="cov0" title="0"> {
return nil, nil, fmt.Errorf("feature View %s doesn't exist, please make sure that you have created the"+
" feature View %s and that you have registered it by running \"apply\"", featureViewName, featureViewName)
}</span>
}
<span class="cov8" title="1">odFvsToUse := make([]*model.OnDemandFeatureView, 0)
for odFvName, featureNames := range odFvToFeatures </span><span class="cov8" title="1">{
projectedOdFv, err := onDemandFeatureViews[odFvName].ProjectWithFeatures(featureNames)
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
<span class="cov8" title="1">err = extractOdFvDependencies(
projectedOdFv,
featureViews,
viewNameToViewAndRefs)
if err != nil </span><span class="cov0" title="0">{
return nil, nil, err
}</span>
<span class="cov8" title="1">odFvsToUse = append(odFvsToUse, projectedOdFv)</span>
}
<span class="cov8" title="1">fvsToUse := make([]*FeatureViewAndRefs, 0)
for _, viewAndRefs := range viewNameToViewAndRefs </span><span class="cov8" title="1">{
fvsToUse = append(fvsToUse, viewAndRefs)
}</span>
<span class="cov8" title="1">return fvsToUse, odFvsToUse, nil</span>
}
func extractOdFvDependencies(
odFv *model.OnDemandFeatureView,
sourceFvs map[string]*model.FeatureView,
requestedFeatures map[string]*FeatureViewAndRefs,
) error <span class="cov8" title="1">{
for _, sourceFvProjection := range odFv.SourceFeatureViewProjections </span><span class="cov8" title="1">{
fv := sourceFvs[sourceFvProjection.Name]
base, err := fv.Base.WithProjection(sourceFvProjection)
if err != nil </span><span class="cov0" title="0">{
return err
}</span>
<span class="cov8" title="1">newFv := fv.NewFeatureViewFromBase(base)
if _, ok := requestedFeatures[sourceFvProjection.NameToUse()]; !ok </span><span class="cov8" title="1">{
requestedFeatures[sourceFvProjection.NameToUse()] = &FeatureViewAndRefs{
View: newFv,
FeatureRefs: []string{},
}
}</span>
<span class="cov8" title="1">for _, feature := range sourceFvProjection.Features </span><span class="cov8" title="1">{
requestedFeatures[sourceFvProjection.NameToUse()].FeatureRefs = addStringIfNotContains(
requestedFeatures[sourceFvProjection.NameToUse()].FeatureRefs, feature.Name)
}</span>
}
<span class="cov8" title="1">return nil</span>
}
func addStringIfNotContains(slice []string, element string) []string <span class="cov8" title="1">{
found := false
for _, item := range slice </span><span class="cov8" title="1">{
if element == item </span><span class="cov8" title="1">{
found = true
}</span>
}
<span class="cov8" title="1">if !found </span><span class="cov8" title="1">{
slice = append(slice, element)
}</span>
<span class="cov8" title="1">return slice</span>
}
func GetEntityMaps(requestedFeatureViews []*FeatureViewAndRefs, entities []*model.Entity) (map[string]string, map[string]interface{}, error) <span class="cov0" title="0">{
entityNameToJoinKeyMap := make(map[string]string)
expectedJoinKeysSet := make(map[string]interface{})
entitiesByName := make(map[string]*model.Entity)
for _, entity := range entities </span><span class="cov0" title="0">{
entitiesByName[entity.Name] = entity
}</span>
<span class="cov0" title="0">for _, featuresAndView := range requestedFeatureViews </span><span class="cov0" title="0">{
featureView := featuresAndView.View
var joinKeyToAliasMap map[string]string
if featureView.Base.Projection != nil && featureView.Base.Projection.JoinKeyMap != nil </span><span class="cov0" title="0">{
joinKeyToAliasMap = featureView.Base.Projection.JoinKeyMap
}</span> else<span class="cov0" title="0"> {
joinKeyToAliasMap = map[string]string{}
}</span>
<span class="cov0" title="0">for _, entityName := range featureView.EntityNames </span><span class="cov0" title="0">{
joinKey := entitiesByName[entityName].JoinKey
entityNameToJoinKeyMap[entityName] = joinKey
if alias, ok := joinKeyToAliasMap[joinKey]; ok </span><span class="cov0" title="0">{
expectedJoinKeysSet[alias] = nil
}</span> else<span class="cov0" title="0"> {
expectedJoinKeysSet[joinKey] = nil
}</span>
}
}
<span class="cov0" title="0">return entityNameToJoinKeyMap, expectedJoinKeysSet, nil</span>
}
func ValidateEntityValues(joinKeyValues map[string]*prototypes.RepeatedValue,
requestData map[string]*prototypes.RepeatedValue,
expectedJoinKeysSet map[string]interface{}) (int, error) <span class="cov0" title="0">{
numRows := -1
for joinKey, values := range joinKeyValues </span><span class="cov0" title="0">{
if _, ok := expectedJoinKeysSet[joinKey]; !ok </span><span class="cov0" title="0">{
requestData[joinKey] = values
delete(joinKeyValues, joinKey)
// ToDo: when request data will be passed correctly (not as part of entity rows)
// ToDo: throw this error instead
// return 0, fmt.Errorf("JoinKey is not expected in this request: %s\n%v", JoinKey, expectedJoinKeysSet)
}</span> else<span class="cov0" title="0"> {
if numRows < 0 </span><span class="cov0" title="0">{
numRows = len(values.Val)
}</span> else<span class="cov0" title="0"> if len(values.Val) != numRows </span><span class="cov0" title="0">{
return -1, errors.New("valueError: All entity rows must have the same columns")
}</span>
}
}
<span class="cov0" title="0">return numRows, nil</span>
}
func ValidateFeatureRefs(requestedFeatures []*FeatureViewAndRefs, fullFeatureNames bool) error <span class="cov0" title="0">{
featureRefCounter := make(map[string]int)
featureRefs := make([]string, 0)
for _, viewAndFeatures := range requestedFeatures </span><span class="cov0" title="0">{
for _, feature := range viewAndFeatures.FeatureRefs </span><span class="cov0" title="0">{
projectedViewName := viewAndFeatures.View.Base.Name
if viewAndFeatures.View.Base.Projection != nil </span><span class="cov0" title="0">{
projectedViewName = viewAndFeatures.View.Base.Projection.NameToUse()
}</span>
<span class="cov0" title="0">featureRefs = append(featureRefs,
fmt.Sprintf("%s:%s", projectedViewName, feature))</span>
}
}
<span class="cov0" title="0">for _, featureRef := range featureRefs </span><span class="cov0" title="0">{
if fullFeatureNames </span><span class="cov0" title="0">{
featureRefCounter[featureRef]++
}</span> else<span class="cov0" title="0"> {
_, featureName, _ := ParseFeatureReference(featureRef)
featureRefCounter[featureName]++
}</span>
}
<span class="cov0" title="0">for featureName, occurrences := range featureRefCounter </span><span class="cov0" title="0">{
if occurrences == 1 </span><span class="cov0" title="0">{
delete(featureRefCounter, featureName)
}</span>
}
<span class="cov0" title="0">if len(featureRefCounter) >= 1 </span><span class="cov0" title="0">{
collidedFeatureRefs := make([]string, 0)
for collidedFeatureRef := range featureRefCounter </span><span class="cov0" title="0">{
if fullFeatureNames </span><span class="cov0" title="0">{
collidedFeatureRefs = append(collidedFeatureRefs, collidedFeatureRef)
}</span> else<span class="cov0" title="0"> {
for _, featureRef := range featureRefs </span><span class="cov0" title="0">{
_, featureName, _ := ParseFeatureReference(featureRef)
if featureName == collidedFeatureRef </span><span class="cov0" title="0">{
collidedFeatureRefs = append(collidedFeatureRefs, featureRef)
}</span>
}
}
}
<span class="cov0" title="0">return featureNameCollisionError{collidedFeatureRefs, fullFeatureNames}</span>
}
<span class="cov0" title="0">return nil</span>
}
func TransposeFeatureRowsIntoColumns(featureData2D [][]onlinestore.FeatureData,
groupRef *GroupedFeaturesPerEntitySet,
requestedFeatureViews []*FeatureViewAndRefs,
arrowAllocator memory.Allocator,
numRows int) ([]*FeatureVector, error) <span class="cov0" title="0">{
numFeatures := len(groupRef.AliasedFeatureNames)
fvs := make(map[string]*model.FeatureView)
for _, viewAndRefs := range requestedFeatureViews </span><span class="cov0" title="0">{
fvs[viewAndRefs.View.Base.Name] = viewAndRefs.View
}</span>
<span class="cov0" title="0">var value *prototypes.Value
var status serving.FieldStatus
var eventTimeStamp *timestamppb.Timestamp
var featureData *onlinestore.FeatureData
var fv *model.FeatureView
var featureViewName string
vectors := make([]*FeatureVector, 0)
for featureIndex := 0; featureIndex < numFeatures; featureIndex++ </span><span class="cov0" title="0">{
currentVector := &FeatureVector{
Name: groupRef.AliasedFeatureNames[featureIndex],
Statuses: make([]serving.FieldStatus, numRows),
Timestamps: make([]*timestamppb.Timestamp, numRows),
}
vectors = append(vectors, currentVector)
protoValues := make([]*prototypes.Value, numRows)
for rowEntityIndex, outputIndexes := range groupRef.Indices </span><span class="cov0" title="0">{
if featureData2D[rowEntityIndex] == nil </span><span class="cov0" title="0">{
value = nil
status = serving.FieldStatus_NOT_FOUND
eventTimeStamp = &timestamppb.Timestamp{}
}</span> else<span class="cov0" title="0"> {
featureData = &featureData2D[rowEntityIndex][featureIndex]
eventTimeStamp = &timestamppb.Timestamp{Seconds: featureData.Timestamp.Seconds, Nanos: featureData.Timestamp.Nanos}
featureViewName = featureData.Reference.FeatureViewName
fv = fvs[featureViewName]
if _, ok := featureData.Value.Val.(*prototypes.Value_NullVal); ok </span><span class="cov0" title="0">{
value = nil
status = serving.FieldStatus_NOT_FOUND
}</span> else<span class="cov0" title="0"> if checkOutsideTtl(eventTimeStamp, timestamppb.Now(), fv.Ttl) </span><span class="cov0" title="0">{
value = &prototypes.Value{Val: featureData.Value.Val}
status = serving.FieldStatus_OUTSIDE_MAX_AGE
}</span> else<span class="cov0" title="0"> {
value = &prototypes.Value{Val: featureData.Value.Val}
status = serving.FieldStatus_PRESENT
}</span>
}
<span class="cov0" title="0">for _, rowIndex := range outputIndexes </span><span class="cov0" title="0">{
protoValues[rowIndex] = value
currentVector.Statuses[rowIndex] = status
currentVector.Timestamps[rowIndex] = eventTimeStamp
}</span>
}
<span class="cov0" title="0">arrowValues, err := types.ProtoValuesToArrowArray(protoValues, arrowAllocator, numRows)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">currentVector.Values = arrowValues</span>
}
<span class="cov0" title="0">return vectors, nil</span>
}
func KeepOnlyRequestedFeatures(
vectors []*FeatureVector,
requestedFeatureRefs []string,
featureService *model.FeatureService,
fullFeatureNames bool) ([]*FeatureVector, error) <span class="cov0" title="0">{
vectorsByName := make(map[string]*FeatureVector)
expectedVectors := make([]*FeatureVector, 0)
usedVectors := make(map[string]bool)
for _, vector := range vectors </span><span class="cov0" title="0">{
vectorsByName[vector.Name] = vector
}</span>
<span class="cov0" title="0">if featureService != nil </span><span class="cov0" title="0">{
for _, projection := range featureService.Projections </span><span class="cov0" title="0">{
for _, f := range projection.Features </span><span class="cov0" title="0">{
requestedFeatureRefs = append(requestedFeatureRefs,
fmt.Sprintf("%s:%s", projection.NameToUse(), f.Name))
}</span>
}
}
<span class="cov0" title="0">for _, featureRef := range requestedFeatureRefs </span><span class="cov0" title="0">{
viewName, featureName, err := ParseFeatureReference(featureRef)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">qualifiedName := getQualifiedFeatureName(viewName, featureName, fullFeatureNames)
if _, ok := vectorsByName[qualifiedName]; !ok </span><span class="cov0" title="0">{
return nil, fmt.Errorf("requested feature %s can't be retrieved", featureRef)
}</span>
<span class="cov0" title="0">expectedVectors = append(expectedVectors, vectorsByName[qualifiedName])
usedVectors[qualifiedName] = true</span>
}
// Free arrow arrays for vectors that were not used.
<span class="cov0" title="0">for _, vector := range vectors </span><span class="cov0" title="0">{
if _, ok := usedVectors[vector.Name]; !ok </span><span class="cov0" title="0">{
vector.Values.Release()
}</span>
}
<span class="cov0" title="0">return expectedVectors, nil</span>
}
func EntitiesToFeatureVectors(entityColumns map[string]*prototypes.RepeatedValue, arrowAllocator memory.Allocator, numRows int) ([]*FeatureVector, error) <span class="cov0" title="0">{
vectors := make([]*FeatureVector, 0)
presentVector := make([]serving.FieldStatus, numRows)
timestampVector := make([]*timestamppb.Timestamp, numRows)
for idx := 0; idx < numRows; idx++ </span><span class="cov0" title="0">{
presentVector[idx] = serving.FieldStatus_PRESENT
timestampVector[idx] = timestamppb.Now()
}</span>
<span class="cov0" title="0">for entityName, values := range entityColumns </span><span class="cov0" title="0">{
arrowColumn, err := types.ProtoValuesToArrowArray(values.Val, arrowAllocator, numRows)
if err != nil </span><span class="cov0" title="0">{
return nil, err
}</span>
<span class="cov0" title="0">vectors = append(vectors, &FeatureVector{
Name: entityName,
Values: arrowColumn,
Statuses: presentVector,
Timestamps: timestampVector,
})</span>
}
<span class="cov0" title="0">return vectors, nil</span>
}
func ParseFeatureReference(featureRef string) (featureViewName, featureName string, e error) <span class="cov8" title="1">{
parsedFeatureName := strings.Split(featureRef, ":")
if len(parsedFeatureName) == 0 </span><span class="cov0" title="0">{
e = errors.New("featureReference should be in the format: 'FeatureViewName:FeatureName'")
}</span> else<span class="cov8" title="1"> if len(parsedFeatureName) == 1 </span><span class="cov0" title="0">{
featureName = parsedFeatureName[0]
}</span> else<span class="cov8" title="1"> {
featureViewName = parsedFeatureName[0]
featureName = parsedFeatureName[1]
}</span>
<span class="cov8" title="1">return</span>