public override async Task Write(object value, NpgsqlWriteBuffer buf, NpgsqlLengthCache lengthCache, NpgsqlParameter parameter, bool async)
{
Debug.Assert(_resolvedType != null);
Debug.Assert(_members != null);
if (buf.WriteSpaceLeft < 4)
{
await buf.Flush(async);
}
buf.WriteInt32(_members.Count);
foreach (var fieldDescriptor in _members)
{
var fieldHandler = fieldDescriptor.Handler;
var fieldValue = fieldDescriptor.Getter(value);
if (buf.WriteSpaceLeft < 4)
{
await buf.Flush(async);
}
buf.WriteUInt32(fieldDescriptor.OID);
await fieldHandler.WriteObjectWithLength(fieldValue, buf, lengthCache, null, async);
}
}
internal PgServerMock WriteRowDescription(params FieldDescription[] fields)
{
CheckDisposed();
_writeBuffer.WriteByte((byte)BackendMessageCode.RowDescription);
_writeBuffer.WriteInt32(4 + 2 + fields.Sum(f => Encoding.GetByteCount(f.Name) + 1 + 18));
_writeBuffer.WriteInt16(fields.Length);
foreach (var field in fields)
{
_writeBuffer.WriteNullTerminatedString(field.Name);
_writeBuffer.WriteUInt32(field.TableOID);
_writeBuffer.WriteInt16(field.ColumnAttributeNumber);
_writeBuffer.WriteUInt32(field.TypeOID);
_writeBuffer.WriteInt16(field.TypeSize);
_writeBuffer.WriteInt32(field.TypeModifier);
_writeBuffer.WriteInt16((short)field.FormatCode);
}
return(this);
}
public override async Task Write(TComposite composite, NpgsqlWriteBuffer buffer, NpgsqlLengthCache?lengthCache, bool async, CancellationToken cancellationToken = default)
{
if (_get == null)
{
ThrowHelper.ThrowInvalidOperationException_NoPropertyGetter(typeof(TComposite), MemberInfo);
}
if (buffer.WriteSpaceLeft < sizeof(int))
{
await buffer.Flush(async, cancellationToken);
}
buffer.WriteUInt32(PostgresType.OID);
await(NullableHandler <TMember> .Exists
? NullableHandler <TMember> .WriteAsync(_handler, _get(ref composite), buffer, lengthCache, null, async, cancellationToken)
: _handler.WriteWithLengthInternal(_get(ref composite), buffer, lengthCache, null, async, cancellationToken));
}
public override void Write(NpgsqlTid value, NpgsqlWriteBuffer buf, NpgsqlParameter parameter)
{
buf.WriteUInt32(value.BlockNumber);
buf.WriteUInt16(value.OffsetNumber);
}
/// <inheritdoc /> public override void Write(uint value, NpgsqlWriteBuffer buf, NpgsqlParameter?parameter) => buf.WriteUInt32(value);