您可以更新特征视图以修改与其关联的特征数据源列表。例如,您可能需要进行以下更新:
关联不同的特征组和特征,或关联来自同一特征组的不同特征集。
指定包含特征数据的 BigQuery 表或视图。请注意,在这种情况下,您需要指定一个或多个实体 ID 列。
创建或更新特征视图时,您可以选择以标签形式向特征视图添加用户定义的元数据。如需详细了解如何更新特征视图的用户定义标签,请参阅更新特征视图的标签。
根据特征组更新特征视图
以下示例展示了如何通过指定现有特征组中的特征来更新特征视图。
REST
如需更新 FeatureView
资源,请使用 featureViews.patch 方法发送 PATCH
请求。
在使用任何请求数据之前,请先进行以下替换:
- LOCATION_ID:在线存储区所在的区域,例如
us-central1
。 - PROJECT_ID:您的项目 ID。
- FEATUREONLINESTORE_NAME:包含特征视图的在线存储区的名称。
- FEATUREVIEW_NAME:要删除的特征视图的名称。
- FEATUREGROUP_NAME:要与特征视图关联的特征组的名称。
- FEATURE_ID_1 和 FEATURE_ID_2:要从 FEATUREGROUP_NAME 特征组添加到特征视图的特征 ID。
HTTP 方法和网址:
PATCH http://LOCATION_ID-aiplatform.googleapis.com/v1/projects/PROJECT_ID/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME
请求 JSON 正文:
{ "feature_registry_source": { "feature_groups": [ { "feature_group_id": "FEATUREGROUP_NAME", "feature_ids": [ "FEATURE_ID_1", "FEATURE_ID_2" ] } ] } }
如需发送请求,请选择以下方式之一:
curl
将请求正文保存在名为 request.json
的文件中,然后执行以下命令:
curl -X PATCH \
-H "Authorization: Bearer $(gcloud auth print-access-token)" \
-H "Content-Type: application/json; charset=utf-8" \
-d @request.json \
"http://LOCATION_ID-aiplatform.googleapis.com/v1/projects/PROJECT_ID/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME"
PowerShell
将请求正文保存在名为 request.json
的文件中,然后执行以下命令:
$cred = gcloud auth print-access-token
$headers = @{ "Authorization" = "Bearer $cred" }
Invoke-WebRequest `
-Method PATCH `
-Headers $headers `
-ContentType: "application/json; charset=utf-8" `
-InFile request.json `
-Uri "http://LOCATION_ID-aiplatform.googleapis.com/v1/projects/PROJECT_ID/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME" | Select-Object -Expand Content
您应该收到类似以下内容的 JSON 响应:
{ "name": "projects/PROJECT_NUMBER/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME/operations/OPERATION_ID", "metadata": { "@type": "type.googleapis.com/google.cloud.aiplatform.v1.UpdateFeatureViewOperationMetadata", "genericMetadata": { "createTime": "2023-09-15T04:53:22.794004Z", "updateTime": "2023-09-15T04:53:22.794004Z" } }, "done": true, "response": { "@type": "type.googleapis.com/google.cloud.aiplatform.v1.FeatureView", "name": "projects/PROJECT_NUMBER/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME" } }
根据 BigQuery 源更新特征视图
以下示例展示了如何通过从 BigQuery 表或视图指定特征列来更新特征视图。
REST
若要根据 BigQuery 数剧源更新 FeatureView
实例,请使用 featureViews.patch 方法发送 PATCH
请求。
在使用任何请求数据之前,请先进行以下替换:
- LOCATION_ID:在线存储区所在的区域,例如
us-central1
。 - PROJECT_ID:您的项目 ID。
- FEATUREONLINESTORE_NAME:包含特征视图的在线存储区的名称。
- FEATUREVIEW_NAME:要更新的特征视图的名称。
- BIGQUERY_SOURCE_URI:包含特征数据的 BigQuery 表或视图的 URI。
- ENTITY_ID_COLUMN:包含实体 ID 的列的名称。
HTTP 方法和网址:
PATCH http://LOCATION_ID-aiplatform.googleapis.com/v1/projects/PROJECT_ID/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME
请求 JSON 正文:
{ "big_query_source": { "uri": "BIGQUERY_SOURCE_URI", "entity_id_columns": "ENTITY_ID_COLUMN" } }
如需发送请求,请选择以下方式之一:
curl
将请求正文保存在名为 request.json
的文件中,然后执行以下命令:
curl -X PATCH \
-H "Authorization: Bearer $(gcloud auth print-access-token)" \
-H "Content-Type: application/json; charset=utf-8" \
-d @request.json \
"http://LOCATION_ID-aiplatform.googleapis.com/v1/projects/PROJECT_ID/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME"
PowerShell
将请求正文保存在名为 request.json
的文件中,然后执行以下命令:
$cred = gcloud auth print-access-token
$headers = @{ "Authorization" = "Bearer $cred" }
Invoke-WebRequest `
-Method PATCH `
-Headers $headers `
-ContentType: "application/json; charset=utf-8" `
-InFile request.json `
-Uri "http://LOCATION_ID-aiplatform.googleapis.com/v1/projects/PROJECT_ID/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME" | Select-Object -Expand Content
您应该收到类似以下内容的 JSON 响应:
{ "name": "projects/PROJECT_NUMBER/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME/operations/OPERATION_ID", "metadata": { "@type": "type.googleapis.com/google.cloud.aiplatform.v1.UpdateFeatureViewOperationMetadata", "genericMetadata": { "createTime": "2023-09-15T04:53:34.832192Z", "updateTime": "2023-09-15T04:53:34.832192Z" } }, "done": true, "response": { "@type": "type.googleapis.com/google.cloud.aiplatform.v1.FeatureView", "name": "projects/PROJECT_NUMBER/locations/LOCATION_ID/featureOnlineStores/FEATUREONLINESTORE_NAME/featureViews/FEATUREVIEW_NAME" } }