Google.Cloud.BigQuery.Connection.V1 is a.NET client library for the BigQuery Connection API.
Note:
This documentation is for version 2.8.0 of the library.
Some samples may not work with other versions.
Installation
Install the Google.Cloud.BigQuery.Connection.V1 package from NuGet. Add it to
your project in the normal way (for example by right-clicking on the
project in Visual Studio and choosing "Manage NuGet Packages...").
Authentication
When running on Google Cloud, no action needs to be taken to authenticate.
Otherwise, the simplest way of authenticating your API calls is to
set up Application Default Credentials.
The credentials will automatically be used to authenticate. See
Set up Application Default Credentials for more details.
Create a client instance by calling the static Create or CreateAsync methods. Alternatively,
use the builder class associated with each client class (e.g. ConnectionServiceClientBuilder for ConnectionServiceClient)
as an easy way of specifying custom credentials, settings, or a custom endpoint. Clients are thread-safe,
and we recommend using a single instance across your entire application unless you have a particular need
to configure multiple client objects separately.
Using the REST (HTTP/1.1) transport
This library defaults to performing RPCs using gRPC using the binary Protocol Buffer wire format.
However, it also supports HTTP/1.1 and JSON, for situations where gRPC doesn't work as desired. (This is typically due to an incompatible proxy
or other network issue.) To create a client using HTTP/1.1, specify a RestGrpcAdapter reference for the GrpcAdapter property in the client builder.
Sample code:
var client = new ConnectionServiceClientBuilder
{
GrpcAdapter = RestGrpcAdapter.Default
}.Build();
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis page documents version 2.8.0 of the \u003ccode\u003eGoogle.Cloud.BigQuery.Connection.V1\u003c/code\u003e .NET client library, which provides access to the BigQuery Connection API.\u003c/p\u003e\n"],["\u003cp\u003eThe library supports multiple versions, ranging from 1.2.0 to the latest release, 2.9.0, with links available for each version's documentation.\u003c/p\u003e\n"],["\u003cp\u003eInstallation is done via NuGet, and the library supports automatic authentication when running on Google Cloud, or through Application Default Credentials otherwise.\u003c/p\u003e\n"],["\u003cp\u003eAll operations are performed via \u003ccode\u003eConnectionServiceClient\u003c/code\u003e, which can be created using \u003ccode\u003eCreate\u003c/code\u003e, \u003ccode\u003eCreateAsync\u003c/code\u003e methods, or a builder class, and is thread-safe.\u003c/p\u003e\n"],["\u003cp\u003eThe library defaults to gRPC but also supports HTTP/1.1 transport with JSON by specifying \u003ccode\u003eRestGrpcAdapter\u003c/code\u003e in the client builder.\u003c/p\u003e\n"]]],[],null,[]]
