yal*_*_cu 4 elasticsearch nest
我使用nest客户端对弹性搜索非常新,我使用自定义分析器创建索引,但是当使用analyze进行测试时,它似乎不使用自定义分析器.主要没有出现edgengram标记.我有什么遗漏会使我的自定义分析器成为索引的默认值吗?当我使用elastichq检查我的映射时,它们会显示我的自定义分析器.
ConnectionSettings settings = new ConnectionSettings(new Uri("http://localhost:9200"), defaultIndex: "forum-app");
IndexSettings indsettings = new IndexSettings();
var an = new CustomAnalyzer();
an.CharFilter = new List<string>();
an.CharFilter.Add("html_strip");
an.Tokenizer = "edgeNGram";
an.Filter = new List<string>();
an.Filter.Add("standard");
an.Filter.Add("lowercase");
an.Filter.Add("stop");
indsettings.Analysis.Tokenizers.Add("edgeNGram", new Nest.EdgeNGramTokenizer
{
MaxGram = 15,
MinGram = 3
});
indsettings.Analysis.Analyzers.Add("forumanalyzer", an);
ElasticClient client = new ElasticClient(settings);
client.CreateIndex("forum-app", c => c
.NumberOfReplicas(0)
.NumberOfShards(1)
.AddMapping<Forum>(e => e.MapFromAttributes())
.Analysis(analysis => analysis
.Analyzers(a => a
.Add("forumanalyzer", an)
)));
//To index I just do this
client.Index(aForum);
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您已将自定义分析器添加到索引中,但现在需要将其应用于您的字段.您可以在字段映射级别执行此操作:
client.CreateIndex("forum-app", c => c
.NumberOfReplicas(0)
.NumberOfShards(1)
.AddMapping<Forum>(e => e
.MapFromAttributes()
.Properties(p => p
.String(s => s.Name(f => f.SomeProperty).Analyzer("formanalyzer")))
)
.Analysis(analysis => analysis
.Analyzers(a => a
.Add("forumanalyzer", an)
)
)
);
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或者,您可以将其设置为索引的默认分析器,将其应用于所有字段:
client.CreateIndex("forum-app", c => c
.NumberOfReplicas(0)
.NumberOfShards(1)
.AddMapping<Forum>(e => e.MapFromAttributes())
.Analysis(analysis => analysis
.Analyzers(a => a
.Add("default", an)
)
)
);
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