public static IndexQuery FromQueryString(string queryString)
{
var fields = queryString.Split(new[] { '&' }, StringSplitOptions.RemoveEmptyEntries)
.Select(segment =>
{
var parts = segment.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 1)
{
return(new { Key = parts[0], Value = string.Empty });
}
else
{
return
(new
{
Key = parts[0],
Value = Uri.UnescapeDataString(parts[1])
});
}
}).ToLookup(f => f.Key, f => f.Value);
var query = new IndexQuery
{
Query = Uri.UnescapeDataString(fields["query"].FirstOrDefault() ?? ""),
Start = fields.GetStart(),
Cutoff = fields.GetCutOff(),
CutoffEtag = fields.GetCutOffEtag(),
PageSize = fields.GetPageSize(250),
SkipTransformResults = fields.GetSkipTransformResults(),
FieldsToFetch = fields["fetch"].ToArray(),
GroupBy = fields["groupBy"].ToArray(),
AggregationOperation = fields.GetAggregationOperation(),
SortedFields = fields["sort"]
.EmptyIfNull()
.Select(x => new SortedField(x))
.ToArray()
};
double lat = fields.GetLat(), lng = fields.GetLng(), radius = fields.GetRadius();
SpatialUnits?units = fields.GetRadiusUnits();
if (lat != 0 || lng != 0 || radius != 0)
{
return(new SpatialIndexQuery(query)
{
QueryShape = SpatialIndexQuery.GetQueryShapeFromLatLon(lat, lng, radius),
RadiusUnitOverride = units,
SpatialRelation = SpatialRelation.Within, /* TODO */
SpatialFieldName = Constants.DefaultSpatialFieldName, /* TODO */
});
}
return(query);
}
public void Test()
{
using (IDocumentStore store = NewDocumentStore())
{
using (IDocumentSession session = store.OpenSession())
{
session.Store(new MySpatialDocument
{
Id = "spatials/1",
Latitude = 48.3708044,
Longitude = 2.8028712999999925
});
session.SaveChanges();
}
new MySpatialIndex().Execute(store);
WaitForIndexing(store);
// Distance between the 2 tested points is 35.75km
// (can be checked here: http://www.movable-type.co.uk/scripts/latlong.html
using (IDocumentSession session = store.OpenSession())
{
var result = session.Advanced.DocumentQuery <MySpatialDocument, MySpatialIndex>()
// 1.025 is for the 2.5% uncertainty at the circle circumference
.WithinRadiusOf(radius: 35.75 * 1.025, latitude: 48.6003516, longitude: 2.4632387000000335)
.SingleOrDefault();
Assert.NotNull(result); // A location should be returned.
result = session.Advanced.DocumentQuery <MySpatialDocument, MySpatialIndex>()
.WithinRadiusOf(radius: 30, latitude: 48.6003516, longitude: 2.4632387000000335)
.SingleOrDefault();
Assert.Null(result); // No result should be returned.
result = session.Advanced.DocumentQuery <MySpatialDocument, MySpatialIndex>()
.WithinRadiusOf(radius: 33, latitude: 48.6003516, longitude: 2.4632387000000335)
.SingleOrDefault();
Assert.Null(result); // No result should be returned.
var shape = SpatialIndexQuery.GetQueryShapeFromLatLon(48.6003516, 2.4632387000000335, 33);
result = session.Advanced.DocumentQuery <MySpatialDocument, MySpatialIndex>()
.RelatesToShape(Constants.DefaultSpatialFieldName, shape, SpatialRelation.Intersects, 0)
.SingleOrDefault();
Assert.Null(result); // No result should be returned.
}
}
}
public IndexQuery CreateTemplateQuery()
{
var q = new IndexQuery
{
Query = Query,
DefaultOperator = DefaultOperator
};
if (SortBy != null && SortBy.Count > 0)
{
var sortedFields = new List <SortedField>();
foreach (var sortByRef in SortBy)
{
var sortBy = sortByRef.Value;
if (sortBy.EndsWith(QueryModel.SortByDescSuffix))
{
var field = sortBy.Remove(sortBy.Length - QueryModel.SortByDescSuffix.Length);
sortedFields.Add(new SortedField(field)
{
Descending = true
});
}
else
{
sortedFields.Add(new SortedField(sortBy));
}
}
q.SortedFields = sortedFields.ToArray();
}
if (ShowFields)
{
q.FieldsToFetch = new[] { Constants.AllFields }
}
;
q.DebugOptionGetIndexEntries = ShowEntries;
q.SkipTransformResults = SkipTransformResults;
if (IsSpatialQuerySupported && Latitude.HasValue && Longitude.HasValue)
{
q = new SpatialIndexQuery(q)
{
QueryShape = SpatialIndexQuery.GetQueryShapeFromLatLon(Latitude.Value, Longitude.Value, Radius.HasValue ? Radius.Value : 1),
SpatialRelation = SpatialRelation.Within,
SpatialFieldName = Constants.DefaultSpatialFieldName,
DefaultOperator = DefaultOperator
};
}
return(q);
}
public void CanFilterByLocationAndSortByDistanceFromDifferentPointWDocQuery()
{
var queryResult = store.DatabaseCommands.Query("eventsByLatLng", new SpatialIndexQuery()
{
QueryShape = SpatialIndexQuery.GetQueryShapeFromLatLon(filteredLat, filteredLng, filteredRadius),
SpatialRelation = SpatialRelation.Within,
SpatialFieldName = Constants.DefaultSpatialFieldName,
SortedFields = new[]
{
new SortedField(string.Format("{0};{1};{2}", Constants.DistanceFieldName, sortedLat, sortedLng))
}
});
AssertResultsOrder(queryResult.Results.Select(x => x.Value <RavenJObject>("@metadata").Value <string>("@id")).ToArray());
}
public void does_culture_invariant_parameter_parsing_for_spatial_queries(CultureInfo cultureInfo)
{
using (new TemporaryCulture(cultureInfo))
{
var indexQuery = new SpatialIndexQuery
{
DistanceErrorPercentage = 0.25,
QueryShape =
SpatialIndexQuery.GetQueryShapeFromLatLon(12.461334, 130.841904, 4.9)
};
var result = (SpatialIndexQuery)EncodeAndDecodeIndexQuery(indexQuery);
Assert.Equal(indexQuery.DistanceErrorPercentage, result.DistanceErrorPercentage);
Assert.Equal(indexQuery.QueryShape, result.QueryShape);
}
}
public void ShouldMatchMakeFacetsOnLocation()
{
FacetResults facetvalues;
using (var s = Store.OpenSession())
{
var index = typeof(ByVehicle).Name;
facetvalues = Store.DatabaseCommands.GetFacets(
index: index,
query: new SpatialIndexQuery()
{
QueryShape = SpatialIndexQuery.GetQueryShapeFromLatLon(new Darwin().Latitude, new Darwin().Longitude, 5),
SpatialRelation = SpatialRelation.Within,
SpatialFieldName = Constants.DefaultSpatialFieldName,
},
facetSetupDoc: "facets/Vehicle");
}
Assert.NotNull(facetvalues);
Assert.Equal(2, facetvalues.Results["Make"].Values.Count());
}
public void CanPerformSpatialSearchWithNulls()
{
var indexDefinition = new IndexDefinition
{
Map = "from e in docs.Events select new { Tag = \"Event\", _ = SpatialGenerate(e.Latitude, e.Longitude) }",
Indexes =
{
{ "Tag", FieldIndexing.NotAnalyzed }
}
};
db.PutIndex("eventsByLatLng", indexDefinition);
db.Put("Events/1", null,
RavenJObject.Parse(@"{""Venue"": ""Jimmy's Old Town Tavern"", ""Latitude"": null, ""Longitude"": null }"),
RavenJObject.Parse("{'Raven-Entity-Name': 'Events'}"), null);
const double radius = 6.0;
QueryResult queryResult;
do
{
queryResult = db.Query("eventsByLatLng", new SpatialIndexQuery()
{
Query = "Tag:[[Event]]",
QueryShape = SpatialIndexQuery.GetQueryShapeFromLatLon(0, 0, radius),
SpatialRelation = SpatialRelation.Within,
SpatialFieldName = Constants.DefaultSpatialFieldName,
SortedFields = new[] { new SortedField("__distance"), }
});
if (queryResult.IsStale)
{
Thread.Sleep(100);
}
} while (queryResult.IsStale);
Assert.Equal(1, queryResult.Results.Count);
}
protected override object GenerateQueryWithinRadiusOf(string fieldName, double radius, double latitude, double longitude, double distanceErrorPct = 0.025, SpatialUnits radiusUnits = SpatialUnits.Kilometers)
{
return(GenerateSpatialQueryData(fieldName, SpatialIndexQuery.GetQueryShapeFromLatLon(latitude, longitude, radius, radiusUnits), SpatialRelation.Within, distanceErrorPct));
}
public void CanPerformSpatialSearch()
{
var indexDefinition = new IndexDefinition
{
Map = "from e in docs.Events select new { Tag = \"Event\", _ = SpatialGenerate(e.Latitude, e.Longitude) }",
Indexes =
{
{ "Tag", FieldIndexing.NotAnalyzed }
}
};
db.PutIndex("eventsByLatLng", indexDefinition);
var events = SpatialIndexTestHelper.GetEvents();
for (int i = 0; i < events.Length; i++)
{
db.Put("Events/" + (i + 1), null,
RavenJObject.FromObject(events[i]),
RavenJObject.Parse("{'Raven-Entity-Name': 'Events'}"), null);
}
const double lat = 38.96939, lng = -77.386398;
const double radiusInKm = 6.0 * 1.609344;
QueryResult queryResult;
do
{
queryResult = db.Query("eventsByLatLng", new SpatialIndexQuery()
{
Query = "Tag:[[Event]]",
QueryShape = SpatialIndexQuery.GetQueryShapeFromLatLon(lat, lng, radiusInKm),
SpatialRelation = SpatialRelation.Within,
SpatialFieldName = Constants.DefaultSpatialFieldName,
SortedFields = new[] { new SortedField("__distance"), }
});
if (queryResult.IsStale)
{
Thread.Sleep(100);
}
} while (queryResult.IsStale);
var expected = events.Count(e => GetGeographicalDistance(lat, lng, e.Latitude, e.Longitude) <= radiusInKm);
Assert.Equal(expected, queryResult.Results.Count);
Assert.Equal(7, queryResult.Results.Count);
double previous = 0;
foreach (var r in queryResult.Results)
{
Event e = r.JsonDeserialization <Event>();
double distance = GetGeographicalDistance(lat, lng, e.Latitude, e.Longitude);
Console.WriteLine("Venue: " + e.Venue + ", Distance " + distance);
Assert.True(distance < radiusInKm);
Assert.True(distance >= previous);
previous = distance;
}
}
public void CanSortByAnotherPropAnddistance()
{
var indexDefinition = new IndexDefinition
{
Map = "from e in docs.Events select new { e.Venue, _ = SpatialGenerate(e.Latitude, e.Longitude) }",
Indexes =
{
{ "Tag", FieldIndexing.NotAnalyzed }
}
};
db.PutIndex("eventsByLatLng", indexDefinition);
var events = new[]
{
new Event("b", 38.9579000, -77.3572000),
new Event("b", 38.9690000, -77.3862000),
new Event("b", 38.9510000, -77.4107000),
new Event("a", 38.9579000, -77.3572000),
new Event("a", 38.9690000, -77.3862000),
new Event("a", 38.9510000, -77.4107000),
};
for (int i = 0; i < events.Length; i++)
{
db.Put("Events/" + (i + 1), null,
RavenJObject.FromObject(events[i]),
RavenJObject.Parse("{'Raven-Entity-Name': 'Events'}"), null);
}
const double lat = 38.96939, lng = -77.386398;
const double radius = 6.0;
QueryResult queryResult;
do
{
queryResult = db.Query("eventsByLatLng", new SpatialIndexQuery()
{
QueryShape = SpatialIndexQuery.GetQueryShapeFromLatLon(lat, lng, radius),
SpatialRelation = SpatialRelation.Within,
SpatialFieldName = Constants.DefaultSpatialFieldName,
SortedFields = new[]
{
new SortedField("Venue"),
new SortedField("__distance"),
}
});
if (queryResult.IsStale)
{
Thread.Sleep(100);
}
} while (queryResult.IsStale);
var expectedOrder = new[] { "Events/5", "Events/4", "Events/6", "Events/2", "Events/1", "Events/3", };
Assert.Equal(expectedOrder.Length, queryResult.Results.Count);
for (int i = 0; i < queryResult.Results.Count; i++)
{
Assert.Equal(expectedOrder[i], queryResult.Results[i].Value <RavenJObject>("@metadata").Value <string>("@id"));
}
}
public SpatialCriteria WithinRadius(double radius, double latitude, double longitude)
{
return(RelatesToShape(SpatialIndexQuery.GetQueryShapeFromLatLon(latitude, longitude, radius), SpatialRelation.Within));
}
public SpatialCriteria WithinRadiusOf(double radius, double x, double y)
{
return(RelatesToShape(SpatialIndexQuery.GetQueryShapeFromLatLon(y, x, radius), SpatialRelation.Within));
}
public IndexQuery CreateTemplateQuery()
{
var transformer = SelectedTransformer.Value;
if (transformer == "None" || !UseTransformer)
{
transformer = "";
}
var q = new IndexQuery
{
Query = Query,
DefaultOperator = DefaultOperator,
ResultsTransformer = transformer
};
if (SortBy != null && SortBy.Count > 0)
{
var sortedFields = new List <SortedField>();
foreach (var sortByRef in SortBy)
{
var sortBy = sortByRef.Value;
if (sortBy.EndsWith(QueryModel.SortByDescSuffix))
{
var field = sortBy.Remove(sortBy.Length - QueryModel.SortByDescSuffix.Length);
sortedFields.Add(new SortedField(field)
{
Descending = true
});
}
else
{
sortedFields.Add(new SortedField(sortBy));
}
}
q.SortedFields = sortedFields.ToArray();
}
if (ShowFields)
{
q.FieldsToFetch = new[] { Constants.AllFields }
}
;
q.DebugOptionGetIndexEntries = ShowEntries;
q.SkipTransformResults = SkipTransformResults;
if (IsSpatialQuerySupported && SpatialQuery.Y.HasValue && SpatialQuery.X.HasValue)
{
var radiusValue = SpatialQuery.Radius.HasValue ? SpatialQuery.Radius.Value : 1;
q = new SpatialIndexQuery(q)
{
QueryShape = SpatialIndexQuery.GetQueryShapeFromLatLon(SpatialQuery.Y.Value, SpatialQuery.X.Value, radiusValue),
SpatialRelation = SpatialRelation.Within,
SpatialFieldName = SpatialQuery.FieldName,
DefaultOperator = DefaultOperator,
RadiusUnitOverride = SpatialQuery.RadiusUnits
};
}
return(q);
}
public SpatialCriteria WithinRadius(double radius, double latitude, double longitude, double distErrorPercent = 0.025)
{
return(RelatesToShape(SpatialIndexQuery.GetQueryShapeFromLatLon(latitude, longitude, radius), SpatialRelation.Within, distErrorPercent));
}