Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

perf: Reduce tracing related allocations from TVP write #557

Merged
merged 2 commits into from
May 15, 2020
Merged

perf: Reduce tracing related allocations from TVP write #557

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
0d9c684
avoid calling tracestring and pass enabled flag to avoid repeated req…
Wraith2 May 8, 2020
701174e
restore the TraceString call
Wraith2 May 9, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 9 additions & 4 deletions src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/TdsParser.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8872,6 +8872,8 @@ internal Task TdsExecuteRPC(SqlCommand cmd, _SqlRPC[] rpcArray, int timeout, boo
// Stream out parameters
int parametersLength = rpcext.userParamCount + rpcext.systemParamCount;

bool isAdvancedTraceOn = SqlClientEventSource.Log.IsAdvancedTraceOn();

for (int i = (ii == startRpc) ? startParam : 0; i < parametersLength; i++)
{
byte options = 0;
Expand Down Expand Up @@ -8904,7 +8906,7 @@ internal Task TdsExecuteRPC(SqlCommand cmd, _SqlRPC[] rpcArray, int timeout, boo

if (mt.IsNewKatmaiType)
{
WriteSmiParameter(param, i, 0 != (options & TdsEnums.RPC_PARAM_DEFAULT), stateObj);
WriteSmiParameter(param, i, 0 != (options & TdsEnums.RPC_PARAM_DEFAULT), stateObj, isAdvancedTraceOn);
continue;
}

Expand Down Expand Up @@ -9601,7 +9603,7 @@ private void WriteParameterName(string parameterName, TdsParserStateObject state
}
}

private void WriteSmiParameter(SqlParameter param, int paramIndex, bool sendDefault, TdsParserStateObject stateObj)
private void WriteSmiParameter(SqlParameter param, int paramIndex, bool sendDefault, TdsParserStateObject stateObj, bool advancedTraceIsOn)
{
//
// Determine Metadata
Expand Down Expand Up @@ -9651,8 +9653,11 @@ private void WriteSmiParameter(SqlParameter param, int paramIndex, bool sendDefa
typeCode = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType(metaData.SqlDbType, metaData.IsMultiValued, value, null);
}

var sendDefaultValue = sendDefault ? 1 : 0;
SqlClientEventSource.Log.AdvancedTraceEvent("<sc.TdsParser.WriteSmiParameter|ADV> {0}, Sending parameter '{1}', default flag={2}, metadata:{3}", ObjectID, param.ParameterName, sendDefaultValue, metaData.TraceString(3));
if (advancedTraceIsOn)
cheenamalhotra marked this conversation as resolved.
Show resolved Hide resolved
{
var sendDefaultValue = sendDefault ? 1 : 0;
SqlClientEventSource.Log.AdvancedTraceEvent("<sc.TdsParser.WriteSmiParameter|ADV> {0}, Sending parameter '{1}', default flag={2}, metadata:{3}", ObjectID, param.ParameterName, sendDefaultValue, metaData);
}

//
// Write parameter metadata
Expand Down