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6 files changed

+251
-32
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‎Microsoft.Azure.Cosmos/src/Linq/BuiltinFunctions/OtherBuiltinSystemFunctions.cs

Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -141,9 +141,15 @@ protected override SqlScalarExpression VisitImplicit(MethodCallExpression method
141141

142142
if (methodCallExpression.Arguments[3] is ConstantExpression optionExpression && optionExpression.Value != null)
143143
{
144-
string serializedConstant = System.Text.Json.JsonSerializer.Serialize(
144+
JsonSerializerOptions options = new JsonSerializerOptions
145+
{
146+
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
147+
};
148+
options.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase));
149+
150+
string serializedConstant = JsonSerializer.Serialize(
145151
optionExpression.Value,
146-
new JsonSerializerOptions { DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingDefault });
152+
options);
147153

148154
arguments.Add(CosmosElement.Parse(serializedConstant).Accept(CosmosElementToSqlScalarExpressionVisitor.Singleton));
149155
}

‎Microsoft.Azure.Cosmos/src/Linq/CosmosLinqExtensions.cs

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -32,20 +32,20 @@ public sealed class VectorDistanceOptions
3232
/// If not specified, the default value is what is defined in the container policy
3333
/// </summary>
3434
[JsonPropertyName("distanceFunction")]
35-
public DistanceFunction DistanceFunction { get; set; }
35+
public DistanceFunction? DistanceFunction { get; set; }
3636

3737
/// <summary>
3838
/// The data type of the vectors. float32, int8, uint8 values. Default value is float32.
3939
/// </summary>
4040
[JsonPropertyName("dataType")]
41-
public VectorDataType DataType { get; set; }
41+
public VectorDataType? DataType { get; set; }
4242

4343
/// <summary>
4444
/// An integer specifying the size of the search list when conducting a vector search on the DiskANN index.
4545
/// Increasing this may improve accuracy at the expense of RU cost and latency. Min=1, Default=10, Max=100.
4646
/// </summary>
4747
[JsonPropertyName("searchListSizeMultiplier")]
48-
public int SearchListSizeMultiplier { get; set; }
48+
public int? SearchListSizeMultiplier { get; set; }
4949
}
5050

5151
/// <summary>

‎Microsoft.Azure.Cosmos/src/Resource/Settings/DistanceFunction.cs

Lines changed: 0 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -4,20 +4,13 @@
44
namespace Microsoft.Azure.Cosmos
55
{
66
using System.Runtime.Serialization;
7-
using System.Text.Json.Serialization;
87

98
/// <summary>
109
/// Defines the distance function for a vector index specification in the Azure Cosmos DB service.
1110
/// </summary>
1211
/// <seealso cref="Embedding"/> for usage.
13-
[JsonConverter(typeof(JsonStringEnumConverter))]
1412
public enum DistanceFunction
1513
{
16-
/// <summary>
17-
/// Represents default value.
18-
/// </summary>
19-
None,
20-
2114
/// <summary>
2215
/// Represents the euclidean distance function.
2316
/// </summary>

‎Microsoft.Azure.Cosmos/src/Resource/Settings/VectorDataType.cs

Lines changed: 0 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -4,19 +4,12 @@
44
namespace Microsoft.Azure.Cosmos
55
{
66
using System.Runtime.Serialization;
7-
using System.Text.Json.Serialization;
87

98
/// <summary>
109
/// Defines the target data type of a vector index specification in the Azure Cosmos DB service.
1110
/// </summary>
12-
[JsonConverter(typeof(JsonStringEnumConverter))]
1311
public enum VectorDataType
1412
{
15-
/// <summary>
16-
/// Represents default value.
17-
/// </summary>
18-
None,
19-
2013
/// <summary>
2114
/// Represent a float32 data type.
2215
/// </summary>

‎Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/BaselineTest/TestBaseline/LinqTranslationBaselineTests.TestVectorDistanceFunction.xml

Lines changed: 207 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -80,11 +80,71 @@ GROUP BY VectorDistance(root["VectorFloatField"], [2, 3, 4], false) ]]></SqlQuer
8080
<Result>
8181
<Input>
8282
<Description><![CDATA[Float VectorDistance with non null fourth option]]></Description>
83-
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Cosine, DataType = Float32, SearchListSizeMultiplier = 10}))]]></Expression>
83+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Convert(Cosine, Nullable`1), DataType = Convert(Float32, Nullable`1), SearchListSizeMultiplier = Convert(20, Nullable`1)}))]]></Expression>
8484
</Input>
8585
<Output>
8686
<SqlQuery><![CDATA[
87-
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "Cosine", "dataType": "Float32", "searchListSizeMultiplier": 10})
87+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "cosine", "dataType": "float32", "searchListSizeMultiplier": 20})
88+
FROM root]]></SqlQuery>
89+
<Results><![CDATA[[
90+
0.9925833339709302,
91+
0.9925833339709302
92+
]]]></Results>
93+
</Output>
94+
</Result>
95+
<Result>
96+
<Input>
97+
<Description><![CDATA[Float VectorDistance with non null fourth option with default SearchListSizeMultiplier]]></Description>
98+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Convert(Cosine, Nullable`1), DataType = Convert(Float32, Nullable`1)}))]]></Expression>
99+
</Input>
100+
<Output>
101+
<SqlQuery><![CDATA[
102+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "cosine", "dataType": "float32"})
103+
FROM root]]></SqlQuery>
104+
<Results><![CDATA[[
105+
0.9925833339709302,
106+
0.9925833339709302
107+
]]]></Results>
108+
</Output>
109+
</Result>
110+
<Result>
111+
<Input>
112+
<Description><![CDATA[Float VectorDistance with non null fourth option with default DataType]]></Description>
113+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Convert(Cosine, Nullable`1), SearchListSizeMultiplier = Convert(10, Nullable`1)}))]]></Expression>
114+
</Input>
115+
<Output>
116+
<SqlQuery><![CDATA[
117+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "cosine", "searchListSizeMultiplier": 10})
118+
FROM root]]></SqlQuery>
119+
<Results><![CDATA[[
120+
0.9925833339709302,
121+
0.9925833339709302
122+
]]]></Results>
123+
</Output>
124+
</Result>
125+
<Result>
126+
<Input>
127+
<Description><![CDATA[Float VectorDistance with non null fourth option with default DistanceFunction]]></Description>
128+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DataType = Convert(Float32, Nullable`1), SearchListSizeMultiplier = Convert(10, Nullable`1)}))]]></Expression>
129+
</Input>
130+
<Output>
131+
<SqlQuery><![CDATA[
132+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"dataType": "float32", "searchListSizeMultiplier": 10})
133+
FROM root]]></SqlQuery>
134+
<Results><![CDATA[[
135+
0.9925833339709302,
136+
0.9925833339709302
137+
]]]></Results>
138+
</Output>
139+
</Result>
140+
<Result>
141+
<Input>
142+
<Description><![CDATA[Float VectorDistance with non null fourth option with all default values]]></Description>
143+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions()))]]></Expression>
144+
</Input>
145+
<Output>
146+
<SqlQuery><![CDATA[
147+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {})
88148
FROM root]]></SqlQuery>
89149
<Results><![CDATA[[
90150
0.9925833339709302,
@@ -205,15 +265,60 @@ GROUP BY VectorDistance(root["VectorUInt8Field"], [2, 3, 4], false) ]]></SqlQuer
205265
<Result>
206266
<Input>
207267
<Description><![CDATA[UInt8 VectorDistance with non null fourth option]]></Description>
208-
<Expression><![CDATA[query.Select(doc => doc.VectorUInt8Field.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = DotProduct, DataType = Uint8}))]]></Expression>
268+
<Expression><![CDATA[query.Select(doc => doc.VectorUInt8Field.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Convert(DotProduct, Nullable`1), DataType = Convert(Uint8, Nullable`1), SearchListSizeMultiplier = Convert(20, Nullable`1)}))]]></Expression>
269+
</Input>
270+
<Output>
271+
<SqlQuery><![CDATA[
272+
SELECT VALUE VectorDistance(root["VectorUInt8Field"], [2, 3, 4], true, {"distanceFunction": "dotProduct", "dataType": "uint8", "searchListSizeMultiplier": 20})
273+
FROM root]]></SqlQuery>
274+
<Results><![CDATA[[
275+
20.0,
276+
20.0
277+
]]]></Results>
278+
</Output>
279+
</Result>
280+
<Result>
281+
<Input>
282+
<Description><![CDATA[UInt8 VectorDistance with non null fourth option with default DistanceFunction]]></Description>
283+
<Expression><![CDATA[query.Select(doc => doc.VectorUInt8Field.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DataType = Convert(Uint8, Nullable`1), SearchListSizeMultiplier = Convert(20, Nullable`1)}))]]></Expression>
284+
</Input>
285+
<Output>
286+
<SqlQuery><![CDATA[
287+
SELECT VALUE VectorDistance(root["VectorUInt8Field"], [2, 3, 4], true, {"dataType": "uint8", "searchListSizeMultiplier": 20})
288+
FROM root]]></SqlQuery>
289+
<Results><![CDATA[[
290+
0.9925833339709302,
291+
0.9925833339709302
292+
]]]></Results>
293+
</Output>
294+
</Result>
295+
<Result>
296+
<Input>
297+
<Description><![CDATA[UInt8 VectorDistance with non null fourth option with default SearchListSizeMultiplier]]></Description>
298+
<Expression><![CDATA[query.Select(doc => doc.VectorUInt8Field.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Convert(DotProduct, Nullable`1), DataType = Convert(Uint8, Nullable`1)}))]]></Expression>
209299
</Input>
210300
<Output>
211301
<SqlQuery><![CDATA[
212-
SELECT VALUE VectorDistance(root["VectorUInt8Field"], [2, 3, 4], true, {"distanceFunction": "DotProduct", "dataType": "Uint8"})
302+
SELECT VALUE VectorDistance(root["VectorUInt8Field"], [2, 3, 4], true, {"distanceFunction": "dotProduct", "dataType": "uint8"})
213303
FROM root]]></SqlQuery>
214304
<Results><![CDATA[[
215305
20.0,
216306
20.0
307+
]]]></Results>
308+
</Output>
309+
</Result>
310+
<Result>
311+
<Input>
312+
<Description><![CDATA[UInt8 VectorDistance with non null fourth option with default DistanceFunction and SearchListSizeMultiplier]]></Description>
313+
<Expression><![CDATA[query.Select(doc => doc.VectorUInt8Field.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DataType = Convert(Uint8, Nullable`1)}))]]></Expression>
314+
</Input>
315+
<Output>
316+
<SqlQuery><![CDATA[
317+
SELECT VALUE VectorDistance(root["VectorUInt8Field"], [2, 3, 4], true, {"dataType": "uint8"})
318+
FROM root]]></SqlQuery>
319+
<Results><![CDATA[[
320+
0.9925833339709302,
321+
0.9925833339709302
217322
]]]></Results>
218323
</Output>
219324
</Result>
@@ -230,6 +335,22 @@ ORDER BY RANK RRF(VectorDistance(root["VectorUInt8Field"], [2, 3, 4], false), Ve
230335
<Results><![CDATA[[
231336
"Test",
232337
"Test"
338+
]]]></Results>
339+
</Output>
340+
</Result>
341+
<Result>
342+
<Input>
343+
<Description><![CDATA[UInt8 VectorDistance + RRF + non null fourth option with default SearchListSizeMultiplier]]></Description>
344+
<Expression><![CDATA[query.OrderByRank(doc => RRF(new [] {doc.VectorUInt8Field.VectorDistance(new [] {2, 3, 4}, False, null), doc.VectorUInt8Field.VectorDistance(new [] {3, 4, 5}, False, new VectorDistanceOptions() {DistanceFunction = Convert(DotProduct, Nullable`1), DataType = Convert(Uint8, Nullable`1)})})).Select(doc => doc.Pk)]]></Expression>
345+
</Input>
346+
<Output>
347+
<SqlQuery><![CDATA[
348+
SELECT VALUE root["Pk"]
349+
FROM root
350+
ORDER BY RANK RRF(VectorDistance(root["VectorUInt8Field"], [2, 3, 4], false), VectorDistance(root["VectorUInt8Field"], [3, 4, 5], false, {"distanceFunction": "dotProduct", "dataType": "uint8"}))]]></SqlQuery>
351+
<Results><![CDATA[[
352+
"Test",
353+
"Test"
233354
]]]></Results>
234355
</Output>
235356
</Result>
@@ -246,6 +367,22 @@ ORDER BY RANK RRF(VectorDistance(root["VectorUInt8Field"], [2, 3, 4], false), Fu
246367
<Results><![CDATA[[
247368
"Test",
248369
"Test"
370+
]]]></Results>
371+
</Output>
372+
</Result>
373+
<Result>
374+
<Input>
375+
<Description><![CDATA[UInt8 VectorDistance + RRF + FullTextScore + non null fourth option with default DistanceFunction]]></Description>
376+
<Expression><![CDATA[query.OrderByRank(doc => RRF(new [] {doc.VectorUInt8Field.VectorDistance(new [] {2, 3, 4}, False, new VectorDistanceOptions() {DataType = Convert(Uint8, Nullable`1), SearchListSizeMultiplier = Convert(20, Nullable`1)}), doc.VectorUInt8Field.FullTextScore(new [] {"string", "name"})})).Select(doc => doc.Pk)]]></Expression>
377+
</Input>
378+
<Output>
379+
<SqlQuery><![CDATA[
380+
SELECT VALUE root["Pk"]
381+
FROM root
382+
ORDER BY RANK RRF(VectorDistance(root["VectorUInt8Field"], [2, 3, 4], false, {"dataType": "uint8", "searchListSizeMultiplier": 20}), FullTextScore(root["VectorUInt8Field"], "string", "name"))]]></SqlQuery>
383+
<Results><![CDATA[[
384+
"Test",
385+
"Test"
249386
]]]></Results>
250387
</Output>
251388
</Result>
@@ -322,11 +459,11 @@ GROUP BY VectorDistance(root["VectorInt8Field"], [2, 3, 4], false) ]]></SqlQuery
322459
<Result>
323460
<Input>
324461
<Description><![CDATA[Int8 VectorDistance with non null fourth option]]></Description>
325-
<Expression><![CDATA[query.Select(doc => doc.VectorInt8Field.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Euclidean, DataType = Int8}))]]></Expression>
462+
<Expression><![CDATA[query.Select(doc => doc.VectorInt8Field.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Convert(Euclidean, Nullable`1), DataType = Convert(Int8, Nullable`1)}))]]></Expression>
326463
</Input>
327464
<Output>
328465
<SqlQuery><![CDATA[
329-
SELECT VALUE VectorDistance(root["VectorInt8Field"], [2, 3, 4], true, {"distanceFunction": "Euclidean", "dataType": "Int8"})
466+
SELECT VALUE VectorDistance(root["VectorInt8Field"], [2, 3, 4], true, {"distanceFunction": "euclidean", "dataType": "int8"})
330467
FROM root]]></SqlQuery>
331468
<Results><![CDATA[[]]]></Results>
332469
</Output>
@@ -386,6 +523,66 @@ FROM root]]></SqlQuery>
386523
<Output>
387524
<SqlQuery><![CDATA[
388525
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true)
526+
FROM root]]></SqlQuery>
527+
<Results><![CDATA[[
528+
0.9925833339709302,
529+
0.9925833339709302
530+
]]]></Results>
531+
</Output>
532+
</Result>
533+
<Result>
534+
<Input>
535+
<Description><![CDATA[VectorDistance with default values]]></Description>
536+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DataType = Convert(Float32, Nullable`1), DistanceFunction = Convert(Euclidean, Nullable`1), SearchListSizeMultiplier = Convert(10, Nullable`1)}))]]></Expression>
537+
</Input>
538+
<Output>
539+
<SqlQuery><![CDATA[
540+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "euclidean", "dataType": "float32", "searchListSizeMultiplier": 10})
541+
FROM root]]></SqlQuery>
542+
<Results><![CDATA[[
543+
1.7320508075688772,
544+
1.7320508075688772
545+
]]]></Results>
546+
</Output>
547+
</Result>
548+
<Result>
549+
<Input>
550+
<Description><![CDATA[VectorDistance with non default values 1]]></Description>
551+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DataType = Convert(Int8, Nullable`1), DistanceFunction = Convert(Cosine, Nullable`1), SearchListSizeMultiplier = Convert(20, Nullable`1)}))]]></Expression>
552+
</Input>
553+
<Output>
554+
<SqlQuery><![CDATA[
555+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "cosine", "dataType": "int8", "searchListSizeMultiplier": 20})
556+
FROM root]]></SqlQuery>
557+
<Results><![CDATA[[
558+
0.9925833339709302,
559+
0.9925833339709302
560+
]]]></Results>
561+
</Output>
562+
</Result>
563+
<Result>
564+
<Input>
565+
<Description><![CDATA[VectorDistance with non default values 2]]></Description>
566+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DataType = Convert(Uint8, Nullable`1), DistanceFunction = Convert(DotProduct, Nullable`1), SearchListSizeMultiplier = Convert(50, Nullable`1)}))]]></Expression>
567+
</Input>
568+
<Output>
569+
<SqlQuery><![CDATA[
570+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "dotProduct", "dataType": "uint8", "searchListSizeMultiplier": 50})
571+
FROM root]]></SqlQuery>
572+
<Results><![CDATA[[
573+
20.0,
574+
20.0
575+
]]]></Results>
576+
</Output>
577+
</Result>
578+
<Result>
579+
<Input>
580+
<Description><![CDATA[VectorDistance with nullable values]]></Description>
581+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DataType = null, DistanceFunction = null, SearchListSizeMultiplier = null}))]]></Expression>
582+
</Input>
583+
<Output>
584+
<SqlQuery><![CDATA[
585+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {})
389586
FROM root]]></SqlQuery>
390587
<Results><![CDATA[[
391588
0.9925833339709302,
@@ -396,11 +593,11 @@ FROM root]]></SqlQuery>
396593
<Result>
397594
<Input>
398595
<Description><![CDATA[VectorDistance with partial fourth option]]></Description>
399-
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Euclidean}))]]></Expression>
596+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {DistanceFunction = Convert(Euclidean, Nullable`1)}))]]></Expression>
400597
</Input>
401598
<Output>
402599
<SqlQuery><![CDATA[
403-
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "Euclidean"})
600+
SELECT VALUE VectorDistance(root["VectorFloatField"], [2, 3, 4], true, {"distanceFunction": "euclidean"})
404601
FROM root]]></SqlQuery>
405602
<Results><![CDATA[[
406603
1.7320508075688772,
@@ -411,7 +608,7 @@ FROM root]]></SqlQuery>
411608
<Result>
412609
<Input>
413610
<Description><![CDATA[VectorDistance with partial fourth option 2]]></Description>
414-
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {SearchListSizeMultiplier = 1}))]]></Expression>
611+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {SearchListSizeMultiplier = Convert(1, Nullable`1)}))]]></Expression>
415612
</Input>
416613
<Output>
417614
<SqlQuery><![CDATA[
@@ -426,7 +623,7 @@ FROM root]]></SqlQuery>
426623
<Result>
427624
<Input>
428625
<Description><![CDATA[VectorDistance with fourth option with invalid values 1]]></Description>
429-
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {SearchListSizeMultiplier = -100}))]]></Expression>
626+
<Expression><![CDATA[query.Select(doc => doc.VectorFloatField.VectorDistance(new [] {2, 3, 4}, True, new VectorDistanceOptions() {SearchListSizeMultiplier = Convert(-100, Nullable`1)}))]]></Expression>
430627
</Input>
431628
<Output>
432629
<SqlQuery><![CDATA[

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