public PartitionedQueryExecutionInfo GetPartitionedQueryExecutionInfo(
SqlQuerySpec querySpec,
PartitionKeyDefinition partitionKeyDefinition,
bool requireFormattableOrderByQuery,
bool isContinuationExpected)
{
PartitionedQueryExecutionInfoInternal queryInfoInternal = this.GetPartitionedQueryExecutionInfoInternal(
querySpec,
partitionKeyDefinition,
requireFormattableOrderByQuery,
isContinuationExpected);
return(this.ConvertPartitionedQueryExecutionInfo(queryInfoInternal, partitionKeyDefinition));
}
public PartitionedQueryExecutionInfo GetPartitionedQueryExecutionInfo(
SqlQuerySpec querySpec,
PartitionKeyDefinition partitionKeyDefinition,
bool requireFormattableOrderByQuery,
bool isContinuationExpected,
bool allowNonValueAggregateQuery,
bool hasLogicalPartitionKey)
{
PartitionedQueryExecutionInfoInternal queryInfoInternal = this.GetPartitionedQueryExecutionInfoInternal(
querySpec,
partitionKeyDefinition,
requireFormattableOrderByQuery,
isContinuationExpected,
allowNonValueAggregateQuery,
hasLogicalPartitionKey);
return(this.ConvertPartitionedQueryExecutionInfo(queryInfoInternal, partitionKeyDefinition));
}
internal PartitionedQueryExecutionInfo ConvertPartitionedQueryExecutionInfo(
PartitionedQueryExecutionInfoInternal queryInfoInternal,
PartitionKeyDefinition partitionKeyDefinition)
{
List <Range <string> > effectiveRanges = new List <Range <string> >(queryInfoInternal.QueryRanges.Count);
foreach (Range <PartitionKeyInternal> internalRange in queryInfoInternal.QueryRanges)
{
effectiveRanges.Add(new Range <string>(
internalRange.Min.GetEffectivePartitionKeyString(partitionKeyDefinition, false),
internalRange.Max.GetEffectivePartitionKeyString(partitionKeyDefinition, false),
internalRange.IsMinInclusive,
internalRange.IsMaxInclusive));
}
effectiveRanges.Sort(Range <string> .MinComparer.Instance);
return(new PartitionedQueryExecutionInfo()
{
QueryInfo = queryInfoInternal.QueryInfo,
QueryRanges = effectiveRanges,
});
}
internal PartitionedQueryExecutionInfoInternal GetPartitionedQueryExecutionInfoInternal(
SqlQuerySpec querySpec,
PartitionKeyDefinition partitionKeyDefinition,
bool requireFormattableOrderByQuery,
bool isContinuationExpected)
{
if (querySpec == null || partitionKeyDefinition == null)
{
return(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).ToArray());
});
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,
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,
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)
{
DefaultTrace.TraceInformation("QueryEngineConfiguration: " + this.queryengineConfiguration);
throw new BadRequestException(
"Message: " + serializedQueryExecutionInfo,
exception);
}
PartitionedQueryExecutionInfoInternal queryInfoInternal =
JsonConvert.DeserializeObject <PartitionedQueryExecutionInfoInternal>(
serializedQueryExecutionInfo,
new JsonSerializerSettings {
DateParseHandling = DateParseHandling.None
});
return(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 <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));
}