Add unique ingestion id for all batch ingestions

protos/feast/core/Store.proto

@@ -69,6 +69,7 @@ message Store {
     // ====================|==================|================================
     // - event_timestamp   | TIMESTAMP        | event time of the FeatureRow
     // - created_timestamp | TIMESTAMP        | processing time of the ingestion of the FeatureRow
+    // - ingestion_id      | STRING           | unique id identifying groups of rows that have been ingested together
     // - job_id            | STRING           | identifier for the job that writes the FeatureRow to the corresponding BigQuery table
     //
     // BigQuery table created will be partitioned by the field "event_timestamp"

protos/feast/types/FeatureRow.proto

@@ -39,4 +39,7 @@ message FeatureRow {
     // <project>/<feature-set-name>:<version>. This value will be used by the feast ingestion job to filter
     // rows, and write the values to the correct tables.
     string feature_set = 6;
+
+    // Identifier tying this feature row to a specific ingestion job.
+    string ingestion_id = 7;
 }

sdk/python/feast/client.py

@@ -18,6 +18,7 @@
 import shutil
 import tempfile
 import time
+import uuid
 from collections import OrderedDict
 from math import ceil
 from typing import Dict, List, Optional, Tuple, Union
@@ -825,13 +826,15 @@ def ingest(
             # Loop optimization declarations
             produce = producer.produce
             flush = producer.flush
+            ingestion_id = _generate_ingestion_id(feature_set)
 
             # Transform and push data to Kafka
             if feature_set.source.source_type == "Kafka":
                 for chunk in get_feature_row_chunks(
                     file=dest_path,
                     row_groups=list(range(pq_file.num_row_groups)),
                     fs=feature_set,
+                    ingestion_id=ingestion_id,
                     max_workers=max_workers,
                 ):
 
@@ -916,6 +919,20 @@ def _build_feature_references(
     return features
 
 
+def _generate_ingestion_id(feature_set: FeatureSet) -> str:
+    """
+    Generates a UUID from the feature set name, version, and the current time.
+
+    Args:
+        feature_set: Feature set of the dataset to be ingested.
+
+    Returns:
+        UUID unique to current time and the feature set provided.
+    """
+    uuid_str = f"{feature_set.name}_{feature_set.version}_{int(time.time())}"
+    return str(uuid.uuid3(uuid.NAMESPACE_DNS, uuid_str))
+
+
 def _read_table_from_source(
     source: Union[pd.DataFrame, str], chunk_size: int, max_workers: int
 ) -> Tuple[str, str]:

sdk/python/feast/loaders/ingest.py

@@ -26,7 +26,7 @@
 
 
 def _encode_pa_tables(
-    file: str, feature_set: str, fields: dict, row_group_idx: int
+    file: str, feature_set: str, fields: dict, ingestion_id: str, row_group_idx: int
 ) -> List[bytes]:
     """
     Helper function to encode a PyArrow table(s) read from parquet file(s) into
@@ -49,6 +49,9 @@ def _encode_pa_tables(
         fields (dict[str, enum.Enum.ValueType]):
             A mapping of field names to their value types.
 
+        ingestion_id (str):
+            UUID unique to this ingestion job.
+
         row_group_idx(int):
             Row group index to read and encode into byte like FeatureRow
             protobuf objects.
@@ -81,7 +84,9 @@ def _encode_pa_tables(
     # Iterate through the rows
     for row_idx in range(table.num_rows):
         feature_row = FeatureRow(
-            event_timestamp=datetime_col[row_idx], feature_set=feature_set
+            event_timestamp=datetime_col[row_idx],
+            feature_set=feature_set,
+            ingestion_id=ingestion_id,
         )
         # Loop optimization declaration
         ext = feature_row.fields.extend
@@ -97,7 +102,11 @@ def _encode_pa_tables(
 
 
 def get_feature_row_chunks(
-    file: str, row_groups: List[int], fs: FeatureSet, max_workers: int
+    file: str,
+    row_groups: List[int],
+    fs: FeatureSet,
+    ingestion_id: str,
+    max_workers: int,
 ) -> Iterable[List[bytes]]:
     """
     Iterator function to encode a PyArrow table read from a parquet file to
@@ -115,6 +124,9 @@ def get_feature_row_chunks(
         fs (feast.feature_set.FeatureSet):
             FeatureSet describing parquet files.
 
+        ingestion_id (str):
+            UUID unique to this ingestion job.
+
         max_workers (int):
             Maximum number of workers to spawn.
 
@@ -128,7 +140,7 @@ def get_feature_row_chunks(
     field_map = {field.name: field.dtype for field in fs.fields.values()}
 
     pool = Pool(max_workers)
-    func = partial(_encode_pa_tables, file, feature_set, field_map)
+    func = partial(_encode_pa_tables, file, feature_set, field_map, ingestion_id)
     for chunk in pool.imap(func, row_groups):
         yield chunk
     return

storage/connectors/bigquery/src/main/java/feast/storage/connectors/bigquery/writer/BigQueryFeatureSink.java

@@ -42,6 +42,8 @@ public abstract class BigQueryFeatureSink implements FeatureSink {
       "Event time for the FeatureRow";
   public static final String BIGQUERY_CREATED_TIMESTAMP_FIELD_DESCRIPTION =
       "Processing time of the FeatureRow ingestion in Feast\"";
+  public static final String BIGQUERY_INGESTION_ID_FIELD_DESCRIPTION =
+      "Unique id identifying groups of rows that have been ingested together";
   public static final String BIGQUERY_JOB_ID_FIELD_DESCRIPTION =
       "Feast import job ID for the FeatureRow";
 
@@ -108,10 +110,13 @@ public void prepareWrite(FeatureSetProto.FeatureSet featureSet) {
     Table table = bigquery.getTable(tableId);
     if (table != null) {
       log.info(
-          "Writing to existing BigQuery table '{}:{}.{}'",
-          getProjectId(),
+          "Updating and writing to existing BigQuery table '{}:{}.{}'",
+          datasetId.getProject(),
           datasetId.getDataset(),
           tableName);
+      TableDefinition tableDefinition = createBigQueryTableDefinition(featureSet.getSpec());
+      TableInfo tableInfo = TableInfo.of(tableId, tableDefinition);
+      bigquery.update(tableInfo);
       return;
     }
 
@@ -166,6 +171,8 @@ private TableDefinition createBigQueryTableDefinition(FeatureSetProto.FeatureSet
                 "created_timestamp",
                 Pair.of(
                     StandardSQLTypeName.TIMESTAMP, BIGQUERY_CREATED_TIMESTAMP_FIELD_DESCRIPTION),
+                "ingestion_id",
+                Pair.of(StandardSQLTypeName.STRING, BIGQUERY_INGESTION_ID_FIELD_DESCRIPTION),
                 "job_id",
                 Pair.of(StandardSQLTypeName.STRING, BIGQUERY_JOB_ID_FIELD_DESCRIPTION));
     for (Map.Entry<String, Pair<StandardSQLTypeName, String>> entry :

storage/connectors/bigquery/src/main/java/feast/storage/connectors/bigquery/writer/FeatureRowToTableRow.java

@@ -31,6 +31,7 @@
 public class FeatureRowToTableRow implements SerializableFunction<FeatureRow, TableRow> {
   private static final String EVENT_TIMESTAMP_COLUMN = "event_timestamp";
   private static final String CREATED_TIMESTAMP_COLUMN = "created_timestamp";
+  private static final String INGESTION_ID_COLUMN = "ingestion_id";
   private static final String JOB_ID_COLUMN = "job_id";
   private final String jobId;
 
@@ -47,6 +48,7 @@ public TableRow apply(FeatureRow featureRow) {
     TableRow tableRow = new TableRow();
     tableRow.set(EVENT_TIMESTAMP_COLUMN, Timestamps.toString(featureRow.getEventTimestamp()));
     tableRow.set(CREATED_TIMESTAMP_COLUMN, Instant.now().toString());
+    tableRow.set(INGESTION_ID_COLUMN, featureRow.getIngestionId());
     tableRow.set(JOB_ID_COLUMN, jobId);
 
     for (Field field : featureRow.getFieldsList()) {