internal TryCatch <PartitionedQueryExecutionInfoInternal> TryGetPartitionedQueryExecutionInfoInternal(
SqlQuerySpec querySpec,
PartitionKeyDefinition partitionKeyDefinition,
bool requireFormattableOrderByQuery,
bool isContinuationExpected,
bool allowNonValueAggregateQuery,
bool hasLogicalPartitionKey)
{
if (querySpec == null || partitionKeyDefinition == null)
{
return(TryCatch <PartitionedQueryExecutionInfoInternal> .FromResult(DefaultInfoInternal));
}
string queryText = JsonConvert.SerializeObject(querySpec);
List <string> paths = new List <string>(partitionKeyDefinition.Paths);
List <string[]> pathParts = new List <string[]>();
paths.ForEach(path =>
{
pathParts.Add(PathParser.GetPathParts(path));
});
string[] allParts = pathParts.SelectMany(parts => parts).ToArray();
uint[] partsLengths = pathParts.Select(parts => (uint)parts.Length).ToArray();
PartitionKind partitionKind = partitionKeyDefinition.Kind;
this.Initialize();
byte[] buffer = new byte[InitialBufferSize];
uint errorCode;
uint serializedQueryExecutionInfoResultLength;
unsafe
{
fixed(byte *bytePtr = buffer)
{
errorCode = ServiceInteropWrapper.GetPartitionKeyRangesFromQuery(
this.serviceProvider,
queryText,
requireFormattableOrderByQuery,
isContinuationExpected,
allowNonValueAggregateQuery,
hasLogicalPartitionKey,
allParts,
partsLengths,
(uint)partitionKeyDefinition.Paths.Count,
partitionKind,
new IntPtr(bytePtr),
(uint)buffer.Length,
out serializedQueryExecutionInfoResultLength);
if (errorCode == DISP_E_BUFFERTOOSMALL)
{
buffer = new byte[serializedQueryExecutionInfoResultLength];
fixed(byte *bytePtr2 = buffer)
{
errorCode = ServiceInteropWrapper.GetPartitionKeyRangesFromQuery(
this.serviceProvider,
queryText,
requireFormattableOrderByQuery,
isContinuationExpected,
allowNonValueAggregateQuery,
hasLogicalPartitionKey, // has logical partition key
allParts,
partsLengths,
(uint)partitionKeyDefinition.Paths.Count,
partitionKind,
new IntPtr(bytePtr2),
(uint)buffer.Length,
out serializedQueryExecutionInfoResultLength);
}
}
}
}
string serializedQueryExecutionInfo = Encoding.UTF8.GetString(buffer, 0, (int)serializedQueryExecutionInfoResultLength);
Exception exception = Marshal.GetExceptionForHR((int)errorCode);
if (exception != null)
{
QueryPartitionProviderException queryPartitionProviderException;
if (string.IsNullOrEmpty(serializedQueryExecutionInfo))
{
queryPartitionProviderException = new UnexpectedQueryPartitionProviderException(
"Query service interop parsing hit an unexpected exception",
exception);
}
else
{
queryPartitionProviderException = new ExpectedQueryPartitionProviderException(
serializedQueryExecutionInfo,
exception);
}
return(TryCatch <PartitionedQueryExecutionInfoInternal> .FromException(
queryPartitionProviderException));
}
PartitionedQueryExecutionInfoInternal queryInfoInternal =
JsonConvert.DeserializeObject <PartitionedQueryExecutionInfoInternal>(
serializedQueryExecutionInfo,
new JsonSerializerSettings
{
DateParseHandling = DateParseHandling.None
});
return(TryCatch <PartitionedQueryExecutionInfoInternal> .FromResult(queryInfoInternal));
}
internal TryCatch <PartitionedQueryExecutionInfoInternal> TryGetPartitionedQueryExecutionInfoInternal(
SqlQuerySpec querySpec,
PartitionKeyDefinition partitionKeyDefinition,
bool requireFormattableOrderByQuery,
bool isContinuationExpected,
bool allowNonValueAggregateQuery,
bool hasLogicalPartitionKey)
{
if (querySpec == null || partitionKeyDefinition == null)
{
return(TryCatch <PartitionedQueryExecutionInfoInternal> .FromResult(DefaultInfoInternal));
}
string queryText = JsonConvert.SerializeObject(querySpec);
List <string> paths = new List <string>(partitionKeyDefinition.Paths);
List <IReadOnlyList <string> > pathPartsList = new List <IReadOnlyList <string> >(paths.Count);
uint[] partsLengths = new uint[paths.Count];
int allPartsLength = 0;
for (int i = 0; i < paths.Count; i++)
{
IReadOnlyList <string> pathParts = PathParser.GetPathParts(paths[i]);
partsLengths[i] = (uint)pathParts.Count;
pathPartsList.Add(pathParts);
allPartsLength += pathParts.Count;
}
string[] allParts = new string[allPartsLength];
int allPartsIndex = 0;
foreach (IReadOnlyList <string> pathParts in pathPartsList)
{
foreach (string part in pathParts)
{
allParts[allPartsIndex++] = part;
}
}
PartitionKind partitionKind = partitionKeyDefinition.Kind;
this.Initialize();
Span <byte> buffer = stackalloc byte[QueryPartitionProvider.InitialBufferSize];
uint errorCode;
uint serializedQueryExecutionInfoResultLength;
unsafe
{
fixed(byte *bytePtr = buffer)
{
errorCode = ServiceInteropWrapper.GetPartitionKeyRangesFromQuery(
this.serviceProvider,
queryText,
requireFormattableOrderByQuery,
isContinuationExpected,
allowNonValueAggregateQuery,
hasLogicalPartitionKey,
allParts,
partsLengths,
(uint)partitionKeyDefinition.Paths.Count,
partitionKind,
new IntPtr(bytePtr),
(uint)buffer.Length,
out serializedQueryExecutionInfoResultLength);
if (errorCode == DISP_E_BUFFERTOOSMALL)
{
// Allocate on stack for smaller arrays, otherwise use heap.
buffer = serializedQueryExecutionInfoResultLength < 4096
? stackalloc byte[(int)serializedQueryExecutionInfoResultLength]
: new byte[serializedQueryExecutionInfoResultLength];
fixed(byte *bytePtr2 = buffer)
{
errorCode = ServiceInteropWrapper.GetPartitionKeyRangesFromQuery(
this.serviceProvider,
queryText,
requireFormattableOrderByQuery,
isContinuationExpected,
allowNonValueAggregateQuery,
hasLogicalPartitionKey, // has logical partition key
allParts,
partsLengths,
(uint)partitionKeyDefinition.Paths.Count,
partitionKind,
new IntPtr(bytePtr2),
(uint)buffer.Length,
out serializedQueryExecutionInfoResultLength);
}
}
}
}
string serializedQueryExecutionInfo = Encoding.UTF8.GetString(buffer.Slice(0, (int)serializedQueryExecutionInfoResultLength));
Exception exception = Marshal.GetExceptionForHR((int)errorCode);
if (exception != null)
{
QueryPartitionProviderException queryPartitionProviderException;
if (string.IsNullOrEmpty(serializedQueryExecutionInfo))
{
queryPartitionProviderException = new UnexpectedQueryPartitionProviderException(
"Query service interop parsing hit an unexpected exception",
exception);
}
else
{
queryPartitionProviderException = new ExpectedQueryPartitionProviderException(
serializedQueryExecutionInfo,
exception);
}
return(TryCatch <PartitionedQueryExecutionInfoInternal> .FromException(
queryPartitionProviderException));
}
PartitionedQueryExecutionInfoInternal queryInfoInternal =
JsonConvert.DeserializeObject <PartitionedQueryExecutionInfoInternal>(
serializedQueryExecutionInfo,
new JsonSerializerSettings
{
DateParseHandling = DateParseHandling.None
});
return(TryCatch <PartitionedQueryExecutionInfoInternal> .FromResult(queryInfoInternal));
}
