Versionless serving option

Makefile

@@ -14,7 +14,7 @@
 #  limitations under the License.
 #
 REGISTRY := gcr.io/pm-registry/feast
-VERSION := v0.4-cassandra-ordered-notrace
+VERSION := v0.4-cassandra-versionless
 PROJECT_ROOT 	:= $(shell git rev-parse --show-toplevel)
 
 test:

go.mod

@@ -7,8 +7,8 @@ require (
 	github.com/ghodss/yaml v1.0.0
 	github.com/gogo/protobuf v1.3.1 // indirect
 	github.com/golang/mock v1.2.0
-	github.com/golang/protobuf v1.3.2
-	github.com/google/go-cmp v0.3.0
+	github.com/golang/protobuf v1.4.0
+	github.com/google/go-cmp v0.4.0
 	github.com/huandu/xstrings v1.2.0 // indirect
 	github.com/lyft/protoc-gen-validate v0.1.0 // indirect
 	github.com/mitchellh/copystructure v1.0.0 // indirect

go.sum

@@ -129,12 +129,20 @@ github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0 h1:oOuy+ugB+P/kBdUnG5QaMXSIyJ1q38wWSojYCb3z5VQ=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/google/btree v0.0.0-20160524151835-7d79101e329e/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v0.0.0-20161122191042-44d81051d367/go.mod h1:HP5RmnzzSNb993RKQDq4+1A4ia9nllfqcQFTQJedwGI=
 github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf/go.mod h1:HP5RmnzzSNb993RKQDq4+1A4ia9nllfqcQFTQJedwGI=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
@@ -389,6 +397,7 @@ golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gonum.org/v1/gonum v0.0.0-20190331200053-3d26580ed485/go.mod h1:2ltnJ7xHfj0zHS40VVPYEAAMTa3ZGguvHGBSJeRWqE0=
 gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
 gonum.org/v1/netlib v0.0.0-20190331212654-76723241ea4e/go.mod h1:kS+toOQn6AQKjmKJ7gzohV1XkqsFehRA2FbsbkopSuQ=
@@ -408,6 +417,12 @@ google.golang.org/grpc v1.19.1 h1:TrBcJ1yqAl1G++wO39nD/qtgpsW9/1+QGrluyMGEYgM=
 google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0 h1:qdOKuR/EIArgaWNjetjgTzgVTAZ+S/WXVrq9HW9zimw=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

ingestion/src/main/java/feast/ingestion/transform/WriteToStore.java

@@ -167,7 +167,9 @@ public void processElement(ProcessContext context) {
                 "Create CassandraMutation from FeatureRow",
                 ParDo.of(
                     new FeatureRowToCassandraMutationDoFn(
-                        getFeatureSets(), cassandraConfig.getDefaultTtl())))
+                        getFeatureSets(),
+                        cassandraConfig.getDefaultTtl(),
+                        cassandraConfig.getVersionless())))
             .apply(
                 CassandraIO.<CassandraMutation>write()
                     .withHosts(Arrays.asList(cassandraConfig.getBootstrapHosts().split(",")))

ingestion/src/main/java/feast/store/serving/cassandra/CassandraMutation.java

@@ -83,7 +83,8 @@ public int getTtl() {
     return ttl;
   }
 
-  static String keyFromFeatureRow(FeatureSetSpec featureSetSpec, FeatureRow featureRow) {
+  static String keyFromFeatureRow(
+      FeatureSetSpec featureSetSpec, FeatureRow featureRow, Boolean versionless) {
     List<String> entityNames =
         featureSetSpec.getEntitiesList().stream()
             .map(EntitySpec::getName)
@@ -95,7 +96,13 @@ static String keyFromFeatureRow(FeatureSetSpec featureSetSpec, FeatureRow featur
         entities.put(entityNames.get(entityNames.indexOf(field.getName())), field);
       }
     }
-    return featureRow.getFeatureSet()
+    String fsName;
+    if (versionless) {
+      fsName = featureRow.getFeatureSet().split(":")[0];
+    } else {
+      fsName = featureRow.getFeatureSet();
+    }
+    return fsName
         + ":"
         + entityNames.stream()
             .map(

ingestion/src/main/java/feast/store/serving/cassandra/FeatureRowToCassandraMutationDoFn.java

@@ -39,14 +39,21 @@ public class FeatureRowToCassandraMutationDoFn extends DoFn<FeatureRow, Cassandr
       org.slf4j.LoggerFactory.getLogger(FeatureRowToCassandraMutationDoFn.class);
   private Map<String, FeatureSet> featureSets;
   private Map<String, Integer> maxAges;
+  private Boolean versionless;
 
   public FeatureRowToCassandraMutationDoFn(
-      Map<String, FeatureSet> featureSets, Duration defaultTtl) {
+      Map<String, FeatureSet> featureSets, Duration defaultTtl, Boolean versionless) {
     this.featureSets = featureSets;
     this.maxAges = new HashMap<>();
+    this.versionless = versionless;
     for (FeatureSet set : featureSets.values()) {
       FeatureSetSpec spec = set.getSpec();
-      String featureSetName = spec.getProject() + "/" + spec.getName() + ":" + spec.getVersion();
+      String featureSetName;
+      if (versionless) {
+        featureSetName = spec.getProject() + "/" + spec.getName();
+      } else {
+        featureSetName = spec.getProject() + "/" + spec.getName() + ":" + spec.getVersion();
+      }
       if (spec.getMaxAge() != null && spec.getMaxAge().getSeconds() > 0) {
         maxAges.put(featureSetName, Math.toIntExact(spec.getMaxAge().getSeconds()));
       } else {
@@ -65,7 +72,7 @@ public void processElement(ProcessContext context) {
           featureSetSpec.getFeaturesList().stream()
               .map(FeatureSpec::getName)
               .collect(Collectors.toSet());
-      String key = CassandraMutation.keyFromFeatureRow(featureSetSpec, featureRow);
+      String key = CassandraMutation.keyFromFeatureRow(featureSetSpec, featureRow, versionless);
 
       Collection<CassandraMutation> mutations = new ArrayList<>();
       for (Field field : featureRow.getFieldsList()) {

ingestion/src/test/java/feast/store/serving/cassandra/FeatureRowToCassandraMutationDoFnTest.java

@@ -84,7 +84,8 @@ public void processElement_shouldCreateCassandraMutation_givenFeatureRow() {
                             FeatureSet.newBuilder().setSpec(featureSetSpec).build());
                       }
                     },
-                    Duration.newBuilder().setSeconds(0).build())));
+                    Duration.newBuilder().setSeconds(0).build(),
+                    false)));
 
     CassandraMutation[] expected =
         new CassandraMutation[] {
@@ -152,7 +153,8 @@ public void processElement_shouldCreateCassandraMutation_givenFeatureRow() {
                             FeatureSet.newBuilder().setSpec(featureSetSpec).build());
                       }
                     },
-                    Duration.newBuilder().setSeconds(0).build())));
+                    Duration.newBuilder().setSeconds(0).build(),
+                    false)));
 
     CassandraMutation[] expected =
         new CassandraMutation[] {
@@ -222,7 +224,8 @@ public void processElement_shouldUseDefaultMaxAge_whenMissingMaxAge() {
                             FeatureSet.newBuilder().setSpec(featureSetSpec).build());
                       }
                     },
-                    defaultTtl)));
+                    defaultTtl,
+                    false)));
 
     CassandraMutation[] expected =
         new CassandraMutation[] {

protos/Makefile

@@ -9,8 +9,8 @@ gen-go:
 gen-python:
 	pip install grpcio-tools
 	pip install mypy-protobuf
-	@$(foreach dir,$(dirs),python -m grpc_tools.protoc -I. --python_out=../sdk/python/ --mypy_out=../sdk/python/ feast/$(dir)/*.proto;)
-	@$(foreach dir,$(service_dirs),python -m grpc_tools.protoc -I. --grpc_python_out=../sdk/python/ feast/$(dir)/*.proto;)
+	@$(foreach dir,$(dirs),python3 -m grpc_tools.protoc -I. --python_out=../sdk/python/ --mypy_out=../sdk/python/ feast/$(dir)/*.proto;)
+	@$(foreach dir,$(service_dirs),python3 -m grpc_tools.protoc -I. --grpc_python_out=../sdk/python/ feast/$(dir)/*.proto;)
 
 install-dependencies-docs:
 	mkdir -p $$HOME/bin
@@ -30,4 +30,4 @@ install-dependencies-docs:
 
 gen-docs:
 	protoc --docs_out=../dist/grpc feast/*/*.proto || \
-	$(MAKE) install-dependencies-docs && PATH=$$HOME/bin:$$PATH protoc -I $$HOME/include/ -I . --docs_out=../dist/grpc feast/*/*.proto
+	$(MAKE) install-dependencies-docs && PATH=$$HOME/bin:$$PATH protoc -I $$HOME/include/ -I . --docs_out=../dist/grpc feast/*/*.proto

protos/feast/core/Store.proto

@@ -28,7 +28,7 @@ option go_package = "github.com/gojek/feast/sdk/go/protos/feast/core";
 // The way FeatureRow is encoded and decoded when it is written to and read from
 // the Store depends on the type of the Store.
 //
-// For example, a FeatureRow will materialize as a row in a table in 
+// For example, a FeatureRow will materialize as a row in a table in
 // BigQuery but it will materialize as a key, value pair element in Redis.
 //
 message Store {
@@ -41,30 +41,30 @@ message Store {
     // The Redis data types used (https://redis.io/topics/data-types):
     // - key: STRING
     // - value: STRING
-    // 
+    //
     // Encodings:
     // - key: byte array of RedisKey (refer to feast.storage.RedisKey)
     // - value: byte array of FeatureRow (refer to feast.types.FeatureRow)
-    // 
+    //
     REDIS = 1;
 
     // BigQuery stores a FeatureRow element as a row in a BigQuery table.
-    // 
+    //
     // Table name is derived from the feature set name and version as:
-    // [feature_set_name]_v[feature_set_version] 
-    // 
+    // [feature_set_name]_v[feature_set_version]
+    //
     // For example:
     // A feature row for feature set "driver" and version "1" will be written
     // to table "driver_v1".
-    // 
-    // The entities and features in a FeatureSetSpec corresponds to the 
-    // fields in the BigQuery table (these make up the BigQuery schema). 
-    // The name of the entity spec and feature spec corresponds to the column 
-    // names, and the value_type of entity spec and feature spec corresponds 
-    // to BigQuery standard SQL data type of the column. 
-    // 
-    // The following BigQuery fields are reserved for Feast internal use. 
-    // Ingestion of entity or feature spec with names identical 
+    //
+    // The entities and features in a FeatureSetSpec corresponds to the
+    // fields in the BigQuery table (these make up the BigQuery schema).
+    // The name of the entity spec and feature spec corresponds to the column
+    // names, and the value_type of entity spec and feature spec corresponds
+    // to BigQuery standard SQL data type of the column.
+    //
+    // The following BigQuery fields are reserved for Feast internal use.
+    // Ingestion of entity or feature spec with names identical
     // to the following field names will raise an exception during ingestion.
     //
     //   column_name       | column_data_type | description
@@ -77,21 +77,21 @@ message Store {
     // of the FeatureRow (https://cloud.google.com/bigquery/docs/partitioned-tables).
     //
     // Since newer version of feature set can introduce breaking, non backward-
-    // compatible BigQuery schema updates, incrementing the version of a 
+    // compatible BigQuery schema updates, incrementing the version of a
     // feature set will result in the creation of a new empty BigQuery table
     // with the new schema.
-    // 
-    // The following table shows how ValueType in Feast is mapped to 
-    // BigQuery Standard SQL data types 
+    //
+    // The following table shows how ValueType in Feast is mapped to
+    // BigQuery Standard SQL data types
     // (https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types):
     //
-    // BYTES       : BYTES 
-    // STRING      : STRING 
+    // BYTES       : BYTES
+    // STRING      : STRING
     // INT32       : INT64
-    // INT64       : IN64 
+    // INT64       : IN64
     // DOUBLE      : FLOAT64
-    // FLOAT       : FLOAT64 
-    // BOOL        : BOOL 
+    // FLOAT       : FLOAT64
+    // BOOL        : BOOL
     // BYTES_LIST  : ARRAY
     // STRING_LIST : ARRAY
     // INT32_LIST  : ARRAY
@@ -154,6 +154,7 @@ message Store {
     // Default expiration in seconds to use when FeatureSetSpec does not have max_age defined.
     // Specify 0 for no default expiration
     google.protobuf.Duration default_ttl = 6;
+    bool versionless = 7;
   }
 
   message Subscription {