public override ExecuteResultItem[] Execute(int count, IDescriptorFiller descriptorFiller)
{
var parametersData = new byte[count][];
for (var i = 0; i < parametersData.Length; i++)
{
descriptorFiller.Fill(_statement.Parameters, i);
// this may throw error, so it needs to be before any writing
parametersData[i] = _statement.WriteParameters();
}
Database.Xdr.Write(IscCodes.op_batch_create);
Database.Xdr.Write(_statement.Handle); // p_batch_statement
var blr = _statement.Parameters.ToBlr();
Database.Xdr.WriteBuffer(blr.Data); // p_batch_blr
Database.Xdr.Write(blr.Length); // p_batch_msglen
var pb = new BatchParameterBuffer();
if (_statement.ReturnRecordsAffected)
{
pb.Append(IscCodes.Batch.TAG_RECORD_COUNTS, 1);
}
if (MultiError)
{
pb.Append(IscCodes.Batch.TAG_MULTIERROR, 1);
}
Database.Xdr.WriteBuffer(pb.ToArray()); // p_batch_pb
Database.Xdr.Write(IscCodes.op_batch_msg);
Database.Xdr.Write(_statement.Handle); // p_batch_statement
Database.Xdr.Write(parametersData.Length); // p_batch_messages
foreach (var item in parametersData)
{
Database.Xdr.WriteOpaque(item, item.Length); // p_batch_data
}
Database.Xdr.Write(IscCodes.op_batch_exec);
Database.Xdr.Write(_statement.Handle); // p_batch_statement
Database.Xdr.Write(_statement.Transaction.Handle); // p_batch_transaction;
Database.Xdr.Flush();
var numberOfResponses = 3;
try
{
numberOfResponses--;
var batchCreateResponse = Database.ReadResponse();
numberOfResponses--;
var batchMsgResponse = Database.ReadResponse();
numberOfResponses--;
var batchExecResponse = (BatchCompletionStateResponse)Database.ReadResponse();
return(BuildResult(batchExecResponse));
}
finally
{
Database.SafeFinishFetching(numberOfResponses);
}
}
public override async ValueTask <ExecuteResultItem[]> ExecuteAsync(int count, IDescriptorFiller descriptorFiller, CancellationToken cancellationToken = default)
{
var parametersData = new byte[count][];
for (var i = 0; i < parametersData.Length; i++)
{
await descriptorFiller.FillAsync(_statement.Parameters, i, cancellationToken).ConfigureAwait(false);
// this may throw error, so it needs to be before any writing
parametersData[i] = await _statement.WriteParametersAsync(cancellationToken).ConfigureAwait(false);
}
await Database.Xdr.WriteAsync(IscCodes.op_batch_create, cancellationToken).ConfigureAwait(false);
await Database.Xdr.WriteAsync(_statement.Handle, cancellationToken).ConfigureAwait(false); // p_batch_statement
var blr = _statement.Parameters.ToBlr();
await Database.Xdr.WriteBufferAsync(blr.Data, cancellationToken).ConfigureAwait(false); // p_batch_blr
await Database.Xdr.WriteAsync(blr.Length, cancellationToken).ConfigureAwait(false); // p_batch_msglen
var pb = new BatchParameterBuffer();
if (_statement.ReturnRecordsAffected)
{
pb.Append(IscCodes.Batch.TAG_RECORD_COUNTS, 1);
}
if (MultiError)
{
pb.Append(IscCodes.Batch.TAG_MULTIERROR, 1);
}
await Database.Xdr.WriteBufferAsync(pb.ToArray(), cancellationToken).ConfigureAwait(false); // p_batch_pb
await Database.Xdr.WriteAsync(IscCodes.op_batch_msg, cancellationToken).ConfigureAwait(false);
await Database.Xdr.WriteAsync(_statement.Handle, cancellationToken).ConfigureAwait(false); // p_batch_statement
await Database.Xdr.WriteAsync(parametersData.Length, cancellationToken).ConfigureAwait(false); // p_batch_messages
foreach (var item in parametersData)
{
await Database.Xdr.WriteOpaqueAsync(item, item.Length, cancellationToken).ConfigureAwait(false); // p_batch_data
}
await Database.Xdr.WriteAsync(IscCodes.op_batch_exec, cancellationToken).ConfigureAwait(false);
await Database.Xdr.WriteAsync(_statement.Handle, cancellationToken).ConfigureAwait(false); // p_batch_statement
await Database.Xdr.WriteAsync(_statement.Transaction.Handle, cancellationToken).ConfigureAwait(false); // p_batch_transaction;
await Database.Xdr.FlushAsync(cancellationToken).ConfigureAwait(false);
var numberOfResponses = 3;
try
{
numberOfResponses--;
var batchCreateResponse = await Database.ReadResponseAsync(cancellationToken).ConfigureAwait(false);
numberOfResponses--;
var batchMsgResponse = await Database.ReadResponseAsync(cancellationToken).ConfigureAwait(false);
numberOfResponses--;
var batchExecResponse = (BatchCompletionStateResponse)await Database.ReadResponseAsync(cancellationToken).ConfigureAwait(false);
return(BuildResult(batchExecResponse));
}
finally
{
await Database.SafeFinishFetchingAsync(numberOfResponses, cancellationToken).ConfigureAwait(false);
}
}