/// <inheritdoc />
public override void WriteNumberValue(Number64 value)
{
if (value.IsInteger)
{
this.WriteIntegerInternal(Number64.ToLong(value));
}
else
{
this.WriteDoubleInternal(Number64.ToDouble(value));
}
this.bufferedContexts.Peek().Count++;
}
public static MockQueryPipelineStage Create(
IReadOnlyList <IReadOnlyList <CosmosElement> > pages,
CosmosElement continuationToken)
{
MockQueryPipelineStage stage = new MockQueryPipelineStage(pages);
if (continuationToken != null)
{
CosmosNumber index = continuationToken as CosmosNumber;
stage.PageIndex = Number64.ToLong(index.Value);
}
return(stage);
}
private static int GetResponseCount(Stream stream)
{
using (MemoryStream memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
CosmosObject element = CosmosObject.CreateFromBuffer(memoryStream.ToArray());
if (!element.TryGetValue("_count", out CosmosElement value))
{
Assert.Fail();
}
return((int)Number64.ToLong(((CosmosNumber)value).Value));
}
}
public override long?AsInteger()
{
long?value;
if (this.IsInteger)
{
value = Number64.ToLong(this.GetValue());
}
else
{
value = null;
}
return(value);
}
public async Task DCount()
{
List <CosmosObject> documents = new List <CosmosObject>();
for (int i = 0; i < 250; i++)
{
documents.Add(CosmosObject.Parse($"{{\"pk\" : {i}, \"val\": {i % 49} }}"));
}
List <CosmosElement> documentsQueried = await ExecuteQueryAsync(
query : "SELECT VALUE COUNT(1) FROM (SELECT DISTINCT VALUE c.val FROM c)",
documents : documents);
Assert.AreEqual(expected: 1, actual: documentsQueried.Count);
Assert.IsTrue(documentsQueried[0] is CosmosNumber);
CosmosNumber result = documentsQueried[0] as CosmosNumber;
Assert.AreEqual(expected: 49, actual: Number64.ToLong(result.Value));
}
public static SqlNumberLiteral Create(Number64 number64)
{
SqlNumberLiteral sqlNumberLiteral;
if (number64.IsDouble)
{
if (!SqlNumberLiteral.FrequentDoubles.TryGetValue(Number64.ToDouble(number64), out sqlNumberLiteral))
{
sqlNumberLiteral = new SqlNumberLiteral(number64);
}
}
else
{
if (!SqlNumberLiteral.FrequentLongs.TryGetValue(Number64.ToLong(number64), out sqlNumberLiteral))
{
sqlNumberLiteral = new SqlNumberLiteral(number64);
}
}
return(sqlNumberLiteral);
}
/// <summary>
/// Initializes a new instance of the AverageInfo class.
/// </summary>
public static TryCatch <AverageInfo> TryCreateFromCosmosElement(CosmosElement cosmosElement)
{
if (cosmosElement == null)
{
throw new ArgumentNullException($"{nameof(cosmosElement)} must not be null.");
}
if (!(cosmosElement is CosmosObject cosmosObject))
{
return(TryCatch <AverageInfo> .FromException(
new ArgumentException($"{nameof(cosmosElement)} must be an object.")));
}
double?sum;
if (cosmosObject.TryGetValue(SumName, out CosmosElement sumPropertyValue))
{
if (!(sumPropertyValue is CosmosNumber cosmosSum))
{
return(TryCatch <AverageInfo> .FromException(
new ArgumentException($"value for the {SumName} field was not a number")));
}
sum = Number64.ToDouble(cosmosSum.Value);
}
else
{
sum = null;
}
if (!cosmosObject.TryGetValue(CountName, out CosmosNumber cosmosCount))
{
return(TryCatch <AverageInfo> .FromException(
new ArgumentException($"value for the {CountName} field was not a number")));
}
long count = Number64.ToLong(cosmosCount.Value);
return(TryCatch <AverageInfo> .FromResult(new AverageInfo(sum, count)));
}
public static TryCatch <IAggregator> TryCreate(CosmosElement continuationToken)
{
long partialCount;
if (continuationToken != null)
{
if (!(continuationToken is CosmosNumber cosmosPartialCount))
{
return(TryCatch <IAggregator> .FromException(
new MalformedContinuationTokenException($@"Invalid count continuation token: ""{continuationToken}"".")));
}
partialCount = Number64.ToLong(cosmosPartialCount.Value);
}
else
{
partialCount = 0;
}
return(TryCatch <IAggregator> .FromResult(
new CountAggregator(initialCount : partialCount)));
}
private static IEnumerable <CosmosElement> ExecuteSelectClause(
IEnumerable <IGrouping <GroupByKey, CosmosElement> > groupings,
SqlSelectClause sqlSelectClause)
{
IEnumerable <CosmosElement> dataSource = ProjectOnGroupings(
groupings,
sqlSelectClause);
if (sqlSelectClause.HasDistinct)
{
dataSource = dataSource.Distinct();
}
if (sqlSelectClause.TopSpec != null)
{
CosmosNumber cosmosTopValue = (CosmosNumber)sqlSelectClause.TopSpec.TopExpresion.Accept(
ScalarExpressionEvaluator.Singleton,
input: null);
long topCount = Number64.ToLong(cosmosTopValue.Value);
dataSource = dataSource.Take((int)topCount);
}
return(dataSource);
}
public async Task Aggregates()
{
const int DocumentCount = 250;
List <CosmosObject> documents = new List <CosmosObject>();
for (int i = 0; i < DocumentCount; i++)
{
documents.Add(CosmosObject.Parse($"{{\"pk\" : {i} }}"));
}
List <CosmosElement> documentsQueried = await ExecuteQueryAsync(
query : "SELECT VALUE COUNT(1) FROM c",
documents : documents);
Assert.AreEqual(expected: 1, actual: documentsQueried.Count);
if (documentsQueried[0] is CosmosNumber number)
{
Assert.AreEqual(expected: DocumentCount, actual: Number64.ToLong(number.Value));
}
else
{
Assert.Fail();
}
}
public static TryCatch <OrderByContinuationToken> TryCreateFromCosmosElement(CosmosElement cosmosElement)
{
if (!(cosmosElement is CosmosObject cosmosObject))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is not an object: {cosmosElement}")));
}
if (!cosmosObject.TryGetValue(PropertyNames.CompositeToken, out CosmosElement compositeContinuationTokenElement))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.CompositeToken}': {cosmosElement}")));
}
TryCatch <ParallelContinuationToken> tryCompositeContinuation = ParallelContinuationToken.TryCreateFromCosmosElement(compositeContinuationTokenElement);
if (!tryCompositeContinuation.Succeeded)
{
return(TryCatch <OrderByContinuationToken> .FromException(tryCompositeContinuation.Exception));
}
ParallelContinuationToken compositeContinuationToken = tryCompositeContinuation.Result;
if (!cosmosObject.TryGetValue(PropertyNames.OrderByItems, out CosmosArray orderByItemsRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.OrderByItems}': {cosmosElement}")));
}
List <OrderByItem> orderByItems = orderByItemsRaw.Select(x => OrderByItem.FromCosmosElement(x)).ToList();
if (!cosmosObject.TryGetValue(PropertyNames.Rid, out CosmosString ridRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.Rid}': {cosmosElement}")));
}
string rid = ridRaw.Value;
if (!cosmosObject.TryGetValue(PropertyNames.SkipCount, out CosmosNumber64 skipCountRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.SkipCount}': {cosmosElement}")));
}
int skipCount = (int)Number64.ToLong(skipCountRaw.GetValue());
if (!cosmosObject.TryGetValue(PropertyNames.Filter, out CosmosElement filterRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.Filter}': {cosmosElement}")));
}
string filter;
if (filterRaw is CosmosString filterStringRaw)
{
filter = filterStringRaw.Value;
}
else
{
filter = null;
}
OrderByContinuationToken orderByContinuationToken = new OrderByContinuationToken(
compositeContinuationToken,
orderByItems,
rid,
skipCount,
filter);
return(TryCatch <OrderByContinuationToken> .FromResult(orderByContinuationToken));
}
public override long?AsInteger()
{
return(Number64.ToLong(this.number));
}
public override IEnumerable <Either <long, string> > Visit(SqlNumberPathExpression sqlObject)
{
this.tokens.Add(Number64.ToLong(sqlObject.Value.Value));
sqlObject.ParentPath?.Accept(this);
return(this.tokens);
}
public void Aggregate(CosmosElement localMinMax)
{
// If the value became undefinded at some point then it should stay that way.
if (this.globalMinMax == Undefined)
{
return;
}
if (localMinMax == Undefined)
{
// If we got an undefined in the pipeline then the whole thing becomes undefined.
this.globalMinMax = Undefined;
return;
}
// Check to see if we got the higher precision result
// and unwrap the object to get the actual item of interest
if (localMinMax is CosmosObject cosmosObject)
{
if (cosmosObject.TryGetValue("count", out CosmosNumber countToken))
{
// We know the object looks like: {"min": MIN(c.blah), "count": COUNT(c.blah)}
long count = Number64.ToLong(countToken.Value);
if (count == 0)
{
// Ignore the value since the continuation / partition had no results that matched the filter so min is undefined.
return;
}
if (!cosmosObject.TryGetValue("min", out CosmosElement min))
{
min = null;
}
if (!cosmosObject.TryGetValue("max", out CosmosElement max))
{
max = null;
}
if (min != null)
{
localMinMax = min;
}
else if (max != null)
{
localMinMax = max;
}
else
{
localMinMax = Undefined;
}
}
}
if (!ItemComparer.IsMinOrMax(this.globalMinMax) && (!IsPrimitve(localMinMax) || !IsPrimitve(this.globalMinMax)))
{
// This means we are comparing non primitives which is undefined
this.globalMinMax = Undefined;
return;
}
// Finally do the comparision
if (this.isMinAggregation)
{
if (ItemComparer.Instance.Compare(localMinMax, this.globalMinMax) < 0)
{
this.globalMinMax = localMinMax;
}
}
else
{
if (ItemComparer.Instance.Compare(localMinMax, this.globalMinMax) > 0)
{
this.globalMinMax = localMinMax;
}
}
}
public async Task TestDistinct_ExecuteNextAsync()
{
async Task ImplementationAsync(Container container, IReadOnlyList <CosmosObject> documents)
{
#region Queries
// To verify distint queries you can run it once without the distinct clause and run it through a hash set
// then compare to the query with the distinct clause.
List <(string, bool)> queries = new List <(string, bool)>()
{
// basic distinct queries
("SELECT {0} VALUE null", true),
// number value distinct queries
("SELECT {0} VALUE c.income from c", true),
// string value distinct queries
("SELECT {0} VALUE c.name from c", true),
// array value distinct queries
("SELECT {0} VALUE c.children from c", true),
// object value distinct queries
("SELECT {0} VALUE c.pet from c", true),
// scalar expressions distinct query
("SELECT {0} VALUE c.age % 2 FROM c", true),
// distinct queries with order by
("SELECT {0} VALUE c.age FROM c ORDER BY c.age", false),
// distinct queries with top and no matching order by
("SELECT {0} TOP 2147483647 VALUE c.age FROM c", false),
// distinct queries with top and matching order by
("SELECT {0} TOP 2147483647 VALUE c.age FROM c ORDER BY c.age", false),
// distinct queries with aggregates
("SELECT {0} VALUE MAX(c.age) FROM c", false),
// distinct queries with joins
("SELECT {0} VALUE c.age FROM p JOIN c IN p.children", true),
// distinct queries in subqueries
("SELECT {0} r.age, s FROM r JOIN (SELECT DISTINCT VALUE c FROM (SELECT 1 a) c) s WHERE r.age > 25", false),
// distinct queries in scalar subqeries
("SELECT {0} p.name, (SELECT DISTINCT VALUE p.age) AS Age FROM p", true),
// select *
("SELECT {0} * FROM c", true)
};
#endregion
#region ExecuteNextAsync API
// run the query with distinct and without + MockDistinctMap
// Should receive same results
// PageSize = 1 guarantees that the backend will return some duplicates.
foreach ((string query, bool allowDCount) in queries)
{
string queryWithoutDistinct = string.Format(query, "");
QueryRequestOptions requestOptions = new QueryRequestOptions()
{
MaxItemCount = 100, MaxConcurrency = 100
};
FeedIterator <CosmosElement> documentQueryWithoutDistinct = container.GetItemQueryIterator <CosmosElement>(
queryWithoutDistinct,
requestOptions: requestOptions);
MockDistinctMap documentsSeen = new MockDistinctMap();
List <CosmosElement> documentsFromWithoutDistinct = new List <CosmosElement>();
while (documentQueryWithoutDistinct.HasMoreResults)
{
FeedResponse <CosmosElement> cosmosQueryResponse = await documentQueryWithoutDistinct.ReadNextAsync();
foreach (CosmosElement document in cosmosQueryResponse)
{
if (documentsSeen.Add(document, out UInt128 hash))
{
documentsFromWithoutDistinct.Add(document);
}
else
{
// No Op for debugging purposes.
}
}
}
foreach (int pageSize in new int[] { 1, 10, 100 })
{
string queryWithDistinct = string.Format(query, "DISTINCT");
List <CosmosElement> documentsFromWithDistinct = new List <CosmosElement>();
FeedIterator <CosmosElement> documentQueryWithDistinct = container.GetItemQueryIterator <CosmosElement>(
queryWithDistinct,
requestOptions: requestOptions);
while (documentQueryWithDistinct.HasMoreResults)
{
FeedResponse <CosmosElement> cosmosQueryResponse = await documentQueryWithDistinct.ReadNextAsync();
documentsFromWithDistinct.AddRange(cosmosQueryResponse);
}
Assert.AreEqual(documentsFromWithDistinct.Count, documentsFromWithoutDistinct.Count);
for (int i = 0; i < documentsFromWithDistinct.Count; i++)
{
CosmosElement documentFromWithDistinct = documentsFromWithDistinct.ElementAt(i);
CosmosElement documentFromWithoutDistinct = documentsFromWithoutDistinct.ElementAt(i);
Assert.AreEqual(
expected: documentFromWithoutDistinct,
actual: documentFromWithDistinct,
message: $"{documentFromWithDistinct} did not match {documentFromWithoutDistinct} at index {i} for {queryWithDistinct}, with page size: {pageSize} on a container");
}
if (allowDCount)
{
string queryWithDCount = $"SELECT VALUE COUNT(1) FROM({queryWithDistinct})";
List <CosmosElement> documentsWithDCount = new List <CosmosElement>();
FeedIterator <CosmosElement> documentQueryWithDCount = container.GetItemQueryIterator <CosmosElement>(
queryWithDCount,
requestOptions: requestOptions);
while (documentQueryWithDCount.HasMoreResults)
{
FeedResponse <CosmosElement> cosmosQueryResponse = await documentQueryWithDCount.ReadNextAsync();
documentsWithDCount.AddRange(cosmosQueryResponse);
}
Assert.AreEqual(1, documentsWithDCount.Count);
long dcount = Number64.ToLong((documentsWithDCount.First() as CosmosNumber).Value);
Assert.AreEqual(documentsFromWithoutDistinct.Count, dcount);
}
}
}
#endregion
}
await this.TestQueryDistinctBaseAsync(ImplementationAsync);
}
public async Task TestPassthroughQueryAsync()
{
string[] inputDocs = new[]
{
@"{""id"":""documentId1"",""key"":""A"",""prop"":3,""shortArray"":[{""a"":5}]}",
@"{""id"":""documentId2"",""key"":""A"",""prop"":2,""shortArray"":[{""a"":6}]}",
@"{""id"":""documentId3"",""key"":""A"",""prop"":1,""shortArray"":[{""a"":7}]}",
@"{""id"":""documentId4"",""key"":5,""prop"":3,""shortArray"":[{""a"":5}]}",
@"{""id"":""documentId5"",""key"":5,""prop"":2,""shortArray"":[{""a"":6}]}",
@"{""id"":""documentId6"",""key"":5,""prop"":1,""shortArray"":[{""a"":7}]}",
@"{""id"":""documentId10"",""prop"":3,""shortArray"":[{""a"":5}]}",
@"{""id"":""documentId11"",""prop"":2,""shortArray"":[{""a"":6}]}",
@"{""id"":""documentId12"",""prop"":1,""shortArray"":[{""a"":7}]}",
};
await this.CreateIngestQueryDeleteAsync(
ConnectionModes.Direct,
CollectionTypes.SinglePartition | CollectionTypes.MultiPartition,
inputDocs,
ImplementationAsync,
"/key");
async Task ImplementationAsync(Container container, IReadOnlyList <CosmosObject> documents)
{
foreach (int maxDegreeOfParallelism in new int[] { 1, 100 })
{
foreach (int maxItemCount in new int[] { 10, 100 })
{
QueryRequestOptions feedOptions = new QueryRequestOptions
{
MaxBufferedItemCount = 7000,
MaxConcurrency = maxDegreeOfParallelism,
MaxItemCount = maxItemCount,
};
foreach (string query in new string[]
{
"SELECT * FROM c WHERE c.key = 5",
"SELECT * FROM c WHERE c.key = 5 ORDER BY c._ts",
})
{
feedOptions.TestSettings = new TestInjections(simulate429s: false, simulateEmptyPages: false, responseStats: new TestInjections.ResponseStats());
List <CosmosElement> queryResults = await QueryTestsBase.RunQueryAsync(
container,
query,
feedOptions);
Assert.IsTrue(feedOptions.TestSettings.Stats.PipelineType.HasValue);
Assert.AreEqual(TestInjections.PipelineType.Passthrough, feedOptions.TestSettings.Stats.PipelineType.Value);
Assert.AreEqual(
3,
queryResults.Count,
$"query: {query} failed with {nameof(maxDegreeOfParallelism)}: {maxDegreeOfParallelism}, {nameof(maxItemCount)}: {maxItemCount}");
}
{
feedOptions.TestSettings = new TestInjections(simulate429s: false, simulateEmptyPages: false, responseStats: new TestInjections.ResponseStats());
string query = "SELECT TOP 2 c.id FROM c WHERE c.key = 5";
List <CosmosElement> queryResults = await QueryTestsBase.RunQueryAsync(
container,
query,
feedOptions);
Assert.IsTrue(feedOptions.TestSettings.Stats.PipelineType.HasValue);
Assert.AreEqual(TestInjections.PipelineType.Passthrough, feedOptions.TestSettings.Stats.PipelineType.Value);
Assert.AreEqual(
2,
queryResults.Count,
$"query: {query} failed with {nameof(maxDegreeOfParallelism)}: {maxDegreeOfParallelism}, {nameof(maxItemCount)}: {maxItemCount}");
}
{
feedOptions.TestSettings = new TestInjections(simulate429s: false, simulateEmptyPages: false, responseStats: new TestInjections.ResponseStats());
string query = "SELECT c.id FROM c WHERE c.key = 5 OFFSET 1 LIMIT 1";
List <CosmosElement> queryResults = await QueryTestsBase.RunQueryAsync(
container,
query,
feedOptions);
Assert.IsTrue(feedOptions.TestSettings.Stats.PipelineType.HasValue);
Assert.AreEqual(TestInjections.PipelineType.Passthrough, feedOptions.TestSettings.Stats.PipelineType.Value);
Assert.AreEqual(
1,
queryResults.Count,
$"query: {query} failed with {nameof(maxDegreeOfParallelism)}: {maxDegreeOfParallelism}, {nameof(maxItemCount)}: {maxItemCount}");
}
{
feedOptions.TestSettings = new TestInjections(simulate429s: false, simulateEmptyPages: false, responseStats: new TestInjections.ResponseStats());
string query = "SELECT VALUE COUNT(1) FROM c WHERE c.key = 5";
List <CosmosElement> queryResults = await QueryTestsBase.RunQueryAsync(
container,
query,
feedOptions);
Assert.IsTrue(feedOptions.TestSettings.Stats.PipelineType.HasValue);
Assert.AreEqual(TestInjections.PipelineType.Specialized, feedOptions.TestSettings.Stats.PipelineType.Value);
Assert.AreEqual(
1,
queryResults.Count,
$"query: {query} failed with {nameof(maxDegreeOfParallelism)}: {maxDegreeOfParallelism}, {nameof(maxItemCount)}: {maxItemCount}");
Assert.AreEqual(
3,
Number64.ToLong((queryResults.First() as CosmosNumber64).GetValue()),
$"query: {query} failed with {nameof(maxDegreeOfParallelism)}: {maxDegreeOfParallelism}, {nameof(maxItemCount)}: {maxItemCount}");
}
{
feedOptions.TestSettings = new TestInjections(simulate429s: false, simulateEmptyPages: false, responseStats: new TestInjections.ResponseStats());
string query = "SELECT VALUE c.key FROM c WHERE c.key = 5 GROUP BY c.key";
List <CosmosElement> queryResults = await QueryTestsBase.RunQueryCombinationsAsync(
container,
query,
feedOptions,
QueryDrainingMode.HoldState | QueryDrainingMode.CosmosElementContinuationToken);
Assert.IsTrue(feedOptions.TestSettings.Stats.PipelineType.HasValue);
Assert.AreEqual(TestInjections.PipelineType.Specialized, feedOptions.TestSettings.Stats.PipelineType.Value);
Assert.AreEqual(
1,
queryResults.Count,
$"query: {query} failed with {nameof(maxDegreeOfParallelism)}: {maxDegreeOfParallelism}, {nameof(maxItemCount)}: {maxItemCount}");
}
{
feedOptions.TestSettings = new TestInjections(simulate429s: false, simulateEmptyPages: false, responseStats: new TestInjections.ResponseStats());
string query = "SELECT DISTINCT VALUE c.key FROM c WHERE c.key = 5";
List <CosmosElement> queryResults = await QueryTestsBase.RunQueryCombinationsAsync(
container,
query,
feedOptions,
QueryDrainingMode.HoldState | QueryDrainingMode.CosmosElementContinuationToken);
Assert.IsTrue(feedOptions.TestSettings.Stats.PipelineType.HasValue);
Assert.AreEqual(TestInjections.PipelineType.Specialized, feedOptions.TestSettings.Stats.PipelineType.Value);
Assert.AreEqual(
1,
queryResults.Count,
$"query: {query} failed with {nameof(maxDegreeOfParallelism)}: {maxDegreeOfParallelism}, {nameof(maxItemCount)}: {maxItemCount}");
}
}
}
}
}
/// <summary>
/// Reads the next token from the reader.
/// </summary>
/// <returns>True if a token was read, else false.</returns>
public override bool Read()
{
bool read = this.jsonReader.Read();
if (!read)
{
this.SetToken(JsonToken.None);
return(false);
}
JsonTokenType jsonTokenType = this.jsonReader.CurrentTokenType;
JsonToken newtonsoftToken;
object value;
switch (jsonTokenType)
{
case JsonTokenType.BeginArray:
newtonsoftToken = JsonToken.StartArray;
value = CosmosDBToNewtonsoftReader.Null;
break;
case JsonTokenType.EndArray:
newtonsoftToken = JsonToken.EndArray;
value = CosmosDBToNewtonsoftReader.Null;
break;
case JsonTokenType.BeginObject:
newtonsoftToken = JsonToken.StartObject;
value = CosmosDBToNewtonsoftReader.Null;
break;
case JsonTokenType.EndObject:
newtonsoftToken = JsonToken.EndObject;
value = CosmosDBToNewtonsoftReader.Null;
break;
case JsonTokenType.String:
newtonsoftToken = JsonToken.String;
value = this.jsonReader.GetStringValue();
break;
case JsonTokenType.Number:
Number64 number64Value = this.jsonReader.GetNumberValue();
if (number64Value.IsInteger)
{
value = Number64.ToLong(number64Value);
newtonsoftToken = JsonToken.Integer;
}
else
{
value = Number64.ToDouble(number64Value);
newtonsoftToken = JsonToken.Float;
}
break;
case JsonTokenType.True:
newtonsoftToken = JsonToken.Boolean;
value = CosmosDBToNewtonsoftReader.True;
break;
case JsonTokenType.False:
newtonsoftToken = JsonToken.Boolean;
value = CosmosDBToNewtonsoftReader.False;
break;
case JsonTokenType.Null:
newtonsoftToken = JsonToken.Null;
value = CosmosDBToNewtonsoftReader.Null;
break;
case JsonTokenType.FieldName:
newtonsoftToken = JsonToken.PropertyName;
value = this.jsonReader.GetStringValue();
break;
case JsonTokenType.Int8:
newtonsoftToken = JsonToken.Integer;
value = this.jsonReader.GetInt8Value();
break;
case JsonTokenType.Int16:
newtonsoftToken = JsonToken.Integer;
value = this.jsonReader.GetInt16Value();
break;
case JsonTokenType.Int32:
newtonsoftToken = JsonToken.Integer;
value = this.jsonReader.GetInt32Value();
break;
case JsonTokenType.Int64:
newtonsoftToken = JsonToken.Integer;
value = this.jsonReader.GetInt64Value();
break;
case JsonTokenType.UInt32:
newtonsoftToken = JsonToken.Integer;
value = this.jsonReader.GetUInt32Value();
break;
case JsonTokenType.Float32:
newtonsoftToken = JsonToken.Float;
value = this.jsonReader.GetFloat32Value();
break;
case JsonTokenType.Float64:
newtonsoftToken = JsonToken.Float;
value = this.jsonReader.GetFloat64Value();
break;
case JsonTokenType.Guid:
newtonsoftToken = JsonToken.String;
value = this.jsonReader.GetGuidValue().ToString();
break;
case JsonTokenType.Binary:
newtonsoftToken = JsonToken.Bytes;
value = this.jsonReader.GetBinaryValue().ToArray();
break;
default:
throw new ArgumentException($"Unexpected jsonTokenType: {jsonTokenType}");
}
this.SetToken(newtonsoftToken, value);
return(read);
}
/// <summary>
/// Compares to objects and returns their partial sort relationship.
/// </summary>
/// <param name="element1">The first element to compare.</param>
/// <param name="element2">The second element to compare.</param>
/// <returns>
/// Less than zero if obj1 comes before obj2 in the sort order.
/// Zero if obj1 and obj2 are interchangeable in the sort order.
/// Greater than zero if obj2 comes before obj1 in the sort order.
/// </returns>
public int Compare(CosmosElement element1, CosmosElement element2)
{
if (object.ReferenceEquals(element1, element2))
{
return(0);
}
if (object.ReferenceEquals(element1, MinValueItem.Singleton))
{
return(-1);
}
if (object.ReferenceEquals(element2, MinValueItem.Singleton))
{
return(1);
}
if (object.ReferenceEquals(element1, MaxValueItem.Singleton))
{
return(1);
}
if (object.ReferenceEquals(element2, MaxValueItem.Singleton))
{
return(-1);
}
if (element1 == Undefined)
{
return(-1);
}
if (element2 == Undefined)
{
return(1);
}
CosmosElementType type1 = element1.Type;
int cmp = CompareTypes(element1, element2);
if (cmp == 0)
{
// If they are the same type then you need to break the tie.
switch (type1)
{
case CosmosElementType.Boolean:
cmp = Comparer <bool> .Default.Compare(
(element1 as CosmosBoolean).Value,
(element2 as CosmosBoolean).Value);
break;
case CosmosElementType.Null:
// All nulls are the same.
cmp = 0;
break;
case CosmosElementType.Number:
CosmosNumber number1 = element1 as CosmosNumber;
CosmosNumber number2 = element2 as CosmosNumber;
if (number1.NumberType == CosmosNumberType.Number64)
{
// Both are Number64, so compare as Number64
cmp = number1.Value.CompareTo(number2.Value);
}
else
{
// We have a number with precision
if (number2.Value.IsInteger)
{
// compare as longs, since all types have an implicit conversion with full fidelity.
long integer1 = Number64.ToLong(number1.Value);
long integer2 = Number64.ToLong(number2.Value);
cmp = Comparer <long> .Default.Compare(integer1, integer2);
}
else
{
// compare as doubles, since all types have an implicit conversion with full fidelity.
double double1 = Number64.ToDouble(number1.Value);
double double2 = Number64.ToDouble(number2.Value);
cmp = Comparer <double> .Default.Compare(double1, double2);
}
}
break;
case CosmosElementType.String:
CosmosString string1 = element1 as CosmosString;
CosmosString string2 = element2 as CosmosString;
cmp = string.CompareOrdinal(
string1.Value,
string2.Value);
break;
case CosmosElementType.Guid:
CosmosGuid guid1 = element1 as CosmosGuid;
CosmosGuid guid2 = element2 as CosmosGuid;
cmp = guid1.Value.CompareTo(guid2.Value);
break;
case CosmosElementType.Binary:
CosmosBinary binary1 = element1 as CosmosBinary;
CosmosBinary binary2 = element2 as CosmosBinary;
cmp = ItemComparer.CompareTo(binary1, binary2);
break;
case CosmosElementType.Array:
case CosmosElementType.Object:
{
UInt128 hash1 = DistinctHash.GetHash(element1);
UInt128 hash2 = DistinctHash.GetHash(element2);
return(hash1.CompareTo(hash2));
}
default:
throw new ArgumentException($"Unknown: {nameof(CosmosElementType)}: {type1}");
}
}
return(cmp);
}
