NOTE: You are looking at documentation for an older release. For the latest information, see the current release documentation.
Deprecation logging
editDeprecation logging
editElasticsearch will send back Warn HTTP Headers when you are using an API feature that is
deprecated and will be removed or rewritten in a future release.
Elasticsearch.NET and NEST report these back to you so you can log and watch out for them.
var request = new SearchRequest<Project>
{
Size = 0,
Routing = new [] { "ignoredefaultcompletedhandler" },
Aggregations = new TermsAggregation("states")
{
Field = Field<Project>(p => p.State.Suffix("keyword")),
Order = new List<TermsOrder>
{
new TermsOrder { Key = "_term", Order = SortOrder.Ascending },
}
},
Query = new FunctionScoreQuery()
{
Query = new MatchAllQuery { },
Functions = new List<IScoreFunction>
{
new RandomScoreFunction {Seed = 1337},
}
}
};
var response = this.Client.Search<Project>(request);
response.ApiCall.DeprecationWarnings.Should().NotBeNullOrEmpty();
response.ApiCall.DeprecationWarnings.Should().HaveCount(2);
response.DebugInformation.Should().Contain("Deprecated aggregation order key");