public sealed class BigQueryConnectionSpec : IMessage<BigQueryConnectionSpec>, IEquatable<BigQueryConnectionSpec>, IDeepCloneable<BigQueryConnectionSpec>, IBufferMessage, IMessage
Reference documentation and code samples for the Data Catalog v1 API class BigQueryConnectionSpec.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eThe \u003ccode\u003eBigQueryConnectionSpec\u003c/code\u003e class in the Google Cloud Data Catalog v1 API provides specifications for BigQuery connections.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of \u003ccode\u003eBigQueryConnectionSpec\u003c/code\u003e is 2.14.0, with multiple older versions available for reference, all the way down to version 1.2.0.\u003c/p\u003e\n"],["\u003cp\u003eThis class implements several interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eIt includes properties like \u003ccode\u003eCloudSql\u003c/code\u003e, \u003ccode\u003eConnectionSpecCase\u003c/code\u003e, \u003ccode\u003eConnectionType\u003c/code\u003e, and \u003ccode\u003eHasCredential\u003c/code\u003e to define various aspects of the BigQuery connection, such as if it is connected to a cloud SQL instance, the connection type, or if credentials are attached.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eBigQueryConnectionSpec\u003c/code\u003e contains two constructors, one empty and one to copy another \u003ccode\u003eBigQueryConnectionSpec\u003c/code\u003e object.\u003c/p\u003e\n"]]],[],null,["# Data Catalog v1 API - Class BigQueryConnectionSpec (2.16.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.16.0 (latest)](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/latest/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.15.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.15.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.14.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.14.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.13.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.13.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.12.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.12.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.11.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.11.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.10.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.10.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.9.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.9.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.8.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.8.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.7.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.7.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.6.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.6.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.5.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.5.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.4.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.4.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.3.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.3.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.2.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.2.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.1.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.1.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [2.0.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/2.0.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [1.8.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/1.8.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [1.7.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/1.7.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [1.6.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/1.6.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [1.5.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/1.5.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [1.4.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/1.4.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/1.3.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/1.2.0/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec) \n\n public sealed class BigQueryConnectionSpec : IMessage\u003cBigQueryConnectionSpec\u003e, IEquatable\u003cBigQueryConnectionSpec\u003e, IDeepCloneable\u003cBigQueryConnectionSpec\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Data Catalog v1 API class BigQueryConnectionSpec.\n\nSpecification for the BigQuery connection. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e BigQueryConnectionSpec \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[BigQueryConnectionSpec](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/latest/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[BigQueryConnectionSpec](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/latest/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[BigQueryConnectionSpec](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/latest/Google.Cloud.DataCatalog.V1.BigQueryConnectionSpec), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.DataCatalog.V1](/dotnet/docs/reference/Google.Cloud.DataCatalog.V1/latest/Google.Cloud.DataCatalog.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.DataCatalog.V1.dll\n\nConstructors\n------------\n\n### BigQueryConnectionSpec()\n\n public BigQueryConnectionSpec()\n\n### BigQueryConnectionSpec(BigQueryConnectionSpec)\n\n public BigQueryConnectionSpec(BigQueryConnectionSpec other)\n\nProperties\n----------\n\n### CloudSql\n\n public CloudSqlBigQueryConnectionSpec CloudSql { get; set; }\n\nSpecification for the BigQuery connection to a Cloud SQL instance.\n\n### ConnectionSpecCase\n\n public BigQueryConnectionSpec.ConnectionSpecOneofCase ConnectionSpecCase { get; }\n\n### ConnectionType\n\n public BigQueryConnectionSpec.Types.ConnectionType ConnectionType { get; set; }\n\nThe type of the BigQuery connection.\n\n### HasCredential\n\n public bool HasCredential { get; set; }\n\nTrue if there are credentials attached to the BigQuery connection; false\notherwise."]]