public sealed class QueryMetadataRequest : IMessage<QueryMetadataRequest>, IEquatable<QueryMetadataRequest>, IDeepCloneable<QueryMetadataRequest>, IBufferMessage, IMessage
Reference documentation and code samples for the Dataproc Metastore v1 API class QueryMetadataRequest.
Request message for
[DataprocMetastore.QueryMetadata][google.cloud.metastore.v1.DataprocMetastore.QueryMetadata].
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 document provides reference documentation for the \u003ccode\u003eQueryMetadataRequest\u003c/code\u003e class within the Google.Cloud.Metastore.V1 namespace, detailing its use in the Dataproc Metastore v1 API.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eQueryMetadataRequest\u003c/code\u003e class is used to send read-only SQL queries to a metadata database, which cannot be mutated, and it includes properties such as \u003ccode\u003eQuery\u003c/code\u003e, \u003ccode\u003eService\u003c/code\u003e, and \u003ccode\u003eServiceAsServiceName\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe provided content covers versions 1.0.0 through 2.9.0 of the API, with 2.9.0 being the latest version documented, indicating a history of updates to the API.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eQueryMetadataRequest\u003c/code\u003e inherits from the \u003ccode\u003eobject\u003c/code\u003e class and implements \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e interfaces, showcasing its integration within the .NET environment and the Google Protobuf library.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation covers the \u003ccode\u003eQueryMetadataRequest\u003c/code\u003e class' constructors, with one being default, and the other allowing for the use of another \u003ccode\u003eQueryMetadataRequest\u003c/code\u003e instance as a parameter.\u003c/p\u003e\n"]]],[],null,["# Dataproc Metastore v1 API - Class QueryMetadataRequest (2.9.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.9.0 (latest)](/dotnet/docs/reference/Google.Cloud.Metastore.V1/latest/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.8.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.8.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.7.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.7.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.6.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.6.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.5.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.5.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.4.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.4.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.3.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.3.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.2.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.2.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.1.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.1.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [2.0.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/2.0.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/1.1.0/Google.Cloud.Metastore.V1.QueryMetadataRequest)\n- [1.0.0](/dotnet/docs/reference/Google.Cloud.Metastore.V1/1.0.0/Google.Cloud.Metastore.V1.QueryMetadataRequest) \n\n public sealed class QueryMetadataRequest : IMessage\u003cQueryMetadataRequest\u003e, IEquatable\u003cQueryMetadataRequest\u003e, IDeepCloneable\u003cQueryMetadataRequest\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Dataproc Metastore v1 API class QueryMetadataRequest.\n\nRequest message for\n\\[DataprocMetastore.QueryMetadata\\]\\[google.cloud.metastore.v1.DataprocMetastore.QueryMetadata\\]. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e QueryMetadataRequest \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[QueryMetadataRequest](/dotnet/docs/reference/Google.Cloud.Metastore.V1/latest/Google.Cloud.Metastore.V1.QueryMetadataRequest), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[QueryMetadataRequest](/dotnet/docs/reference/Google.Cloud.Metastore.V1/latest/Google.Cloud.Metastore.V1.QueryMetadataRequest), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[QueryMetadataRequest](/dotnet/docs/reference/Google.Cloud.Metastore.V1/latest/Google.Cloud.Metastore.V1.QueryMetadataRequest), [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.Metastore.V1](/dotnet/docs/reference/Google.Cloud.Metastore.V1/latest/Google.Cloud.Metastore.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.Metastore.V1.dll\n\nConstructors\n------------\n\n### QueryMetadataRequest()\n\n public QueryMetadataRequest()\n\n### QueryMetadataRequest(QueryMetadataRequest)\n\n public QueryMetadataRequest(QueryMetadataRequest other)\n\nProperties\n----------\n\n### Query\n\n public string Query { get; set; }\n\nRequired. A read-only SQL query to execute against the metadata database.\nThe query cannot change or mutate the data.\n\n### Service\n\n public string Service { get; set; }\n\nRequired. The relative resource name of the metastore service to query\nmetadata, in the following format:\n\n`projects/{project_id}/locations/{location_id}/services/{service_id}`.\n\n### ServiceAsServiceName\n\n public ServiceName ServiceAsServiceName { get; set; }\n\n[ServiceName](/dotnet/docs/reference/Google.Cloud.Metastore.V1/latest/Google.Cloud.Metastore.V1.ServiceName)-typed view over the [Service](/dotnet/docs/reference/Google.Cloud.Metastore.V1/latest/Google.Cloud.Metastore.V1.QueryMetadataRequest#Google_Cloud_Metastore_V1_QueryMetadataRequest_Service) resource name property."]]
