/// <summary>
/// Executes the query as prepared statement.
/// </summary>
/// <returns>An <see cref="AceQLDataReader"/> object.</returns>
/// <exception cref="AceQL.Client.Api.AceQLException">If any Exception occurs.</exception>
private async Task <AceQLDataReader> ExecuteQueryAsPreparedStatementAsync()
{
try
{
AceQLCommandUtil aceQLCommandUtil = new AceQLCommandUtil(cmdText, Parameters);
// Get the parameters and build the result set
Dictionary <string, string> statementParameters = aceQLCommandUtil.GetPreparedStatementParameters();
foreach (string key in statementParameters.Keys)
{
Debug("key:==> " + key + " / " + statementParameters[key]);
}
// Replace all @parms with ? in sql command
cmdText = aceQLCommandUtil.ReplaceParmsWithQuestionMarks();
String filePath = FileUtil2.GetUniqueResultSetFile();
bool isStoredProcedure = (commandType == CommandType.StoredProcedure ? true : false);
bool isPreparedStatement = true;
using (Stream input = await aceQLHttpApi.ExecuteQueryAsync(cmdText, Parameters, isStoredProcedure, isPreparedStatement, statementParameters).ConfigureAwait(false))
{
try
{
FileUtil2.CopyHttpStreamToFile(filePath, input, aceQLHttpApi.GzipResult);
}
catch (Exception exception)
{
if (this.connection.RequestRetry && (this.executeQueryRetryCount < 1 || exception.Message.Contains("GZip")))
{
this.executeQueryRetryCount++;
Boolean saveGzipResultValue = this.aceQLHttpApi.GzipResult;
this.aceQLHttpApi.GzipResult = false;
AceQLDataReader dataReader = await ExecuteQueryAsPreparedStatementAsync().ConfigureAwait(false);
this.aceQLHttpApi.GzipResult = saveGzipResultValue;
return(dataReader);
}
else
{
throw;
}
}
}
this.executeQueryRetryCount = 0;
StreamResultAnalyzer streamResultAnalyzer = new StreamResultAnalyzer(filePath, aceQLHttpApi.HttpStatusCode);
if (!streamResultAnalyzer.IsStatusOK())
{
throw new AceQLException(streamResultAnalyzer.GetErrorMessage(),
streamResultAnalyzer.GetErrorType(),
streamResultAnalyzer.GetStackTrace(),
aceQLHttpApi.HttpStatusCode);
}
int rowsCount = 0;
using (Stream readStreamCout = File.OpenRead(filePath))
{
RowCounter rowCounter = new RowCounter(readStreamCout);
rowsCount = rowCounter.Count();
}
if (isStoredProcedure)
{
using (Stream readStreamOutParms = File.OpenRead(filePath))
{
UpdateOutParametersValues(readStreamOutParms, Parameters);
}
}
Stream readStream = File.OpenRead(filePath);
AceQLDataReader aceQLDataReader = new AceQLDataReader(filePath, readStream, rowsCount, connection);
return(aceQLDataReader);
}
catch (Exception exception)
{
simpleTracer.Trace(exception.ToString());
if (exception.GetType() == typeof(AceQLException))
{
throw;
}
else
{
throw new AceQLException(exception.Message, 0, exception, aceQLHttpApi.HttpStatusCode);
}
}
}
/// <summary>
/// Executes the query as statement.
/// </summary>
/// <returns>An <see cref="AceQLDataReader"/>object.</returns>
/// <exception cref="AceQL.Client.Api.AceQLException">If any Exception occurs.</exception>
private async Task <AceQLDataReader> ExecuteQueryAsStatementAsync()
{
try
{
string filePath = FileUtil2.GetUniqueResultSetFile();
bool isStoredProcedure = (commandType == CommandType.StoredProcedure ? true : false);
Boolean isPreparedStatement = false;
Dictionary <string, string> parametersMap = null;
using (Stream input = await aceQLHttpApi.ExecuteQueryAsync(cmdText, Parameters, isStoredProcedure, isPreparedStatement, parametersMap).ConfigureAwait(false))
{
try
{
FileUtil2.CopyHttpStreamToFile(filePath, input, aceQLHttpApi.GzipResult);
}
catch (Exception exception)
{
if (this.connection.RequestRetry && (this.executeQueryRetryCount < 1 || exception.Message.Contains("GZip")))
{
this.executeQueryRetryCount++;
Boolean saveGzipResultValue = this.aceQLHttpApi.GzipResult;
this.aceQLHttpApi.GzipResult = false;
AceQLDataReader dataReader = await ExecuteQueryAsStatementAsync().ConfigureAwait(false);
this.aceQLHttpApi.GzipResult = saveGzipResultValue;
return(dataReader);
}
else
{
throw;
}
}
}
this.executeQueryRetryCount = 0;
StreamResultAnalyzer streamResultAnalyzer = new StreamResultAnalyzer(filePath, aceQLHttpApi.HttpStatusCode);
if (!streamResultAnalyzer.IsStatusOK())
{
throw new AceQLException(streamResultAnalyzer.GetErrorMessage(),
streamResultAnalyzer.GetErrorType(),
streamResultAnalyzer.GetStackTrace(),
aceQLHttpApi.HttpStatusCode);
}
int rowsCount = 0;
using (Stream readStreamCout = File.OpenRead(filePath))
{
RowCounter rowCounter = new RowCounter(readStreamCout);
rowsCount = rowCounter.Count();
}
if (isStoredProcedure)
{
using (Stream readStreamOutParms = File.OpenRead(filePath))
{
UpdateOutParametersValues(readStreamOutParms, Parameters);
}
}
Stream readStream = File.OpenRead(filePath);
AceQLDataReader aceQLDataReader = new AceQLDataReader(filePath, readStream, rowsCount, connection);
return(aceQLDataReader);
}
catch (Exception exception)
{
simpleTracer.Trace(exception.ToString());
if (exception.GetType() == typeof(AceQLException))
{
throw;
}
else
{
throw new AceQLException(exception.Message, 0, exception, aceQLHttpApi.HttpStatusCode);
}
}
}