How to disable source field and use store with Nest? - elasticsearch

Question

I want to disable source as it is done here initially. I am not sure how to achieve similar like in the sample
PUT tweets
{
"mappings": {
"tweet": {
"_source": {
"enabled": false
}
}
}
}
I tried below but when I enter http://localhost:9200/_plugin/head/; I can see that all the properties are stored. I expect to store and index only id and name properties.
var node = new Uri("http://localhost:9200");
var settings = new ConnectionSettings(node, defaultIndex: "mydatabase");
var client = new ElasticClient(settings);
var createIndexResult = client.CreateIndex("mydatabase");
var mapResult = client.Map<Product>(c => c.MapFromAttributes().SourceField(s=>s.Enabled(false)).IgnoreConflicts().Type("product").Indices("mydatabase"));
client.Index(sampleproduct);
[ElasticType(Name ="product", IdProperty = "ProductId" )]
[Table("Product")]
public partial class Product
{
[ElasticProperty(Name = "id",Index = FieldIndexOption.NotAnalyzed, Store = true)]
public int ProductId { get; set; }
[ElasticProperty(Index = FieldIndexOption.Analyzed, Store = true)]
public string Name { get; set; }
[ElasticProperty(Index = FieldIndexOption.No, Store = false)]
public int? ProductTypeId { get; set; }
[ElasticProperty(Index = FieldIndexOption.No, Store = false)]
public int? ManufacturerId { get; set; }
}
EDIT: without adding any documents after creating index, index metadata looks like in the image. i dont see any source enabled false.
EDIT2: after changing creating index first then mapping. Name field is displaying store=true as in the image but there is no value stored. I debugged and i am surely passing value where i index the sampleproduct

Answer 1

You need to add the mapping first and then index the document. Only then will you see the get the expected mapping. By indexing first without the mapping, a mapping gets dynamically created with default options (source being enabled).