public IDatabaseResult ExecuteQuery(IDatabaseConnection connection, IDatabaseQuery query)
{
ThrowIf.Null(query, "query");
SqlDataReader sqlDataReader = null;
Guid dataAccessInstrumentationId = Guid.NewGuid();
using (ChannelDbQueryBoundaryPerfContext perfContext = new ChannelDbQueryBoundaryPerfContext())
{
string methodName = GetCallerName();
string queryString = query.BuildQuery(this.GetDatabaseQueryBuilder()) ?? string.Empty;
string parameterList = string.Join(", ", query.Parameters.Select(p => string.Format("{0}={1}", p.Key, p.Value)));
// get the string between the "FROM" and next whitespace
Match match = FromClauseRegex.Match(queryString);
// when match is not found, take the first FromClauseNonMatchLengthLimit characters or whatever is available
string fromClause = match.Success
? string.Format(
"[{0}].[{1}]",
match.Groups[SchemaGroupName].Success ? match.Groups[SchemaGroupName].Value : DefaultSchemaName,
match.Groups[ObjectGroupName].Success ? match.Groups[ObjectGroupName].Value : string.Empty)
: queryString.Substring(0, Math.Min(FromClauseNonMatchLengthLimit, queryString.Length));
RetailLogger.Log.CrtDataAccessExecuteQueryStarted(fromClause, dataAccessInstrumentationId);
DatabaseConnection databaseConnection = GetDatabaseConnection(connection);
SqlConnection sqlConnection = databaseConnection.SqlConnection;
using (SqlCommand command = new SqlCommand(queryString, sqlConnection))
{
command.CommandTimeout = 0; // infinite wait timeout for command execution
CreateInputParameters(command, query.Parameters);
try
{
RetailLogger.Log.CrtDataAccessSqlServerSelectStarted(methodName, dataAccessInstrumentationId, queryString, parameterList, fromClause);
sqlDataReader = command.ExecuteReader();
perfContext.CallWasSuccessful();
RetailLogger.Log.CrtDataAccessSqlServerSelectFinished(
methodName,
callWasSuccessful: true,
correlationId: dataAccessInstrumentationId,
sqlQuery: queryString,
parameterList: parameterList,
fromClause: fromClause);
}
catch (SqlException sqlException)
{
RetailLogger.Log.CrtDataAccessSqlServerSelectFinished(
methodName,
callWasSuccessful: false,
correlationId: dataAccessInstrumentationId,
sqlQuery: queryString,
parameterList: parameterList,
fromClause: fromClause);
RetailLogger.Log.CrtDataAccessExecuteQueryFinished(numberOfResults: 0, wasSuccessful: false, correlationId: dataAccessInstrumentationId);
SqlTypeHelper.HandleException(sqlException);
}
}
}
DatabaseResult databaseResult = new DatabaseResult(sqlDataReader);
databaseResult.ConfigureMonitoringEvent(dataAccessInstrumentationId);
return(databaseResult);
}
