public override async ValueTask ExecuteAsync(int timeout, IDescriptorFiller descriptorFiller, CancellationToken cancellationToken = default)
{
EnsureNotDeallocated();
await descriptorFiller.FillAsync(_parameters, 0, cancellationToken).ConfigureAwait(false);
ClearStatusVector();
NativeHelpers.CallIfExists(() =>
{
_db.FbClient.fb_dsql_set_timeout(_statusVector, ref _handle, (uint)timeout);
_db.ProcessStatusVector(_statusVector);
});
ClearStatusVector();
var inSqlda = IntPtr.Zero;
var outSqlda = IntPtr.Zero;
if (_parameters != null)
{
inSqlda = XsqldaMarshaler.MarshalManagedToNative(_db.Charset, _parameters);
}
if (StatementType == DbStatementType.StoredProcedure)
{
Fields.ResetValues();
outSqlda = XsqldaMarshaler.MarshalManagedToNative(_db.Charset, _fields);
}
var trHandle = _transaction.HandlePtr;
_db.FbClient.isc_dsql_execute2(
_statusVector,
ref trHandle,
ref _handle,
IscCodes.SQLDA_VERSION1,
inSqlda,
outSqlda);
if (outSqlda != IntPtr.Zero)
{
var descriptor = XsqldaMarshaler.MarshalNativeToManaged(_db.Charset, outSqlda, true);
var values = new DbValue[descriptor.Count];
for (var i = 0; i < values.Length; i++)
{
var d = descriptor[i];
var value = await d.DbValue.GetValueAsync(cancellationToken).ConfigureAwait(false);
values[i] = new DbValue(this, d, value);
}
OutputParameters.Enqueue(values);
}
XsqldaMarshaler.CleanUpNativeData(ref inSqlda);
XsqldaMarshaler.CleanUpNativeData(ref outSqlda);
_db.ProcessStatusVector(_statusVector);
if (DoRecordsAffected)
{
RecordsAffected = await GetRecordsAffectedAsync(cancellationToken).ConfigureAwait(false);
}
else
{
RecordsAffected = -1;
}
State = StatementState.Executed;
}
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);
}
}