public Task Terms()
{
var name = GetQueryStringValueAndAssertIfSingleAndNotEmpty("name");
var field = GetQueryStringValueAndAssertIfSingleAndNotEmpty("field");
var fromValue = GetStringQueryString("fromValue", required: false);
using (var token = CreateTimeLimitedOperationToken())
using (Database.DocumentsStorage.ContextPool.AllocateOperationContext(out DocumentsOperationContext context))
using (context.OpenReadTransaction())
{
var existingResultEtag = GetLongFromHeaders("If-None-Match");
var result = Database.QueryRunner.ExecuteGetTermsQuery(name, field, fromValue, existingResultEtag, GetPageSize(), context, token);
if (result.NotModified)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotModified;
return(Task.CompletedTask);
}
HttpContext.Response.Headers[Constants.Headers.Etag] = CharExtensions.ToInvariantString(result.ResultEtag);
using (var writer = new BlittableJsonTextWriter(context, ResponseBodyStream()))
{
writer.WriteTermsQueryResult(context, result);
}
return(Task.CompletedTask);
}
}
public Task Terms()
{
var field = GetQueryStringValueAndAssertIfSingleAndNotEmpty("field");
using (var token = CreateTimeLimitedOperationToken())
using (Database.DocumentsStorage.ContextPool.AllocateOperationContext(out DocumentsOperationContext context))
using (context.OpenReadTransaction())
{
var name = GetIndexNameFromCollectionAndField(field) ?? GetQueryStringValueAndAssertIfSingleAndNotEmpty("name");
var fromValue = GetStringQueryString("fromValue", required: false);
var existingResultEtag = GetLongFromHeaders("If-None-Match");
var result = Database.QueryRunner.ExecuteGetTermsQuery(name, field, fromValue, existingResultEtag, GetPageSize(), context, token, out var index);
if (result.NotModified)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotModified;
return(Task.CompletedTask);
}
HttpContext.Response.Headers[Constants.Headers.Etag] = CharExtensions.ToInvariantString(result.ResultEtag);
using (var writer = new BlittableJsonTextWriter(context, ResponseBodyStream()))
{
if (field.EndsWith("__minX") ||
field.EndsWith("__minY") ||
field.EndsWith("__maxX") ||
field.EndsWith("__maxY"))
{
if (index.Definition.IndexFields != null &&
index.Definition.IndexFields.TryGetValue(field.Substring(0, field.Length - 6), out var indexField) == true)
{
if (indexField.Spatial?.Strategy == Client.Documents.Indexes.Spatial.SpatialSearchStrategy.BoundingBox)
{
// Term-values for 'Spatial Index Fields' with 'BoundingBox' are encoded in Lucene as 'prefixCoded bytes'
// Need to convert to numbers for the Studio
var readableTerms = new HashSet <string>();
foreach (var item in result.Terms)
{
var num = Lucene.Net.Util.NumericUtils.PrefixCodedToDouble(item);
readableTerms.Add(NumberUtil.NumberToString(num));
}
result.Terms = readableTerms;
}
}
}
writer.WriteTermsQueryResult(context, result);
}
return(Task.CompletedTask);
}
}
