Facet query
Feature
Create a facet query
How to
Configure facet
DocumentCollection<TechProductDocument> documentCollection; // from DI
var rersult = documentCollection
.Select()
.FacetQuery("AliasName", q => q.Field(f => f.Features))
.Execute();
Optionally, change one or more settings
DocumentCollection<TechProductDocument> documentCollection; // from DI
var rersult = documentCollection
.Select()
.FacetQuery("AliasName", q => q.Field(f => f.Features), facet =>
{
facet.Minimum = 3;
facet.Limit = 5;
})
.Execute();
Read data
rersult
.Facets(out var data);
foreach (FacetItemField facetItem in data)
{
// facetName = "InStock" or some alias (if configured)
var facetName = facetItem.Name;
//facetType = FacetType.Field
var facetType = facetItem.FacetType;
foreach (FacetItemQuery facetItem in data)
{
// facetName = "AliasName"
var facetName = facetItem.Name;
//facetType = FacetType.Query
var facetType = facetItem.FacetType;
// nested = nested facet (if configured)
var nested = facetItem.Facets;
// quantity = quantity of item's value
var quantity = facetItem.Quantity;
}
}
Settings
Use case
How to
Sort type of result of facet
.FacetQuery("AliasName", q => q.Field(f => f.Features), facet => facet.SortType = FacetSortType.CountAsc)
Minimum count of itens in facet's result
.FacetQuery("AliasName", q => q.Field(f => f.Features), facet => facet.Minimum = 2)
Limit of itens in facet's result
.FacetQuery("AliasName", q => q.Field(f => f.Features), facet => facet.Limit = 10)
List of tags to exclude in facet calculation
.FacetQuery("AliasName", q => q.Field(f => f.Features), facet => facet.Excludes = new[] { "tag1", "tag2" })
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