/// <inheritdoc />
protected override async Task WriteWithLength <TAny>(TAny value, NpgsqlWriteBuffer buf, NpgsqlLengthCache?lengthCache, NpgsqlParameter?parameter, bool async, CancellationToken cancellationToken = default)
{
buf.WriteInt32(ValidateAndGetLength(value, ref lengthCache, parameter));
if (_isJsonb)
{
if (buf.WriteSpaceLeft < 1)
{
await buf.Flush(async, cancellationToken);
}
buf.WriteByte(JsonbProtocolVersion);
}
if (typeof(TAny) == typeof(string))
{
await _textHandler.Write((string)(object)value !, buf, lengthCache, parameter, async, cancellationToken);
}
else if (typeof(TAny) == typeof(char[]))
{
await _textHandler.Write((char[])(object)value !, buf, lengthCache, parameter, async, cancellationToken);
}
else if (typeof(TAny) == typeof(ArraySegment <char>))
{
await _textHandler.Write((ArraySegment <char>)(object) value !, buf, lengthCache, parameter, async, cancellationToken);
}
else if (typeof(TAny) == typeof(char))
{
await _textHandler.Write((char)(object)value !, buf, lengthCache, parameter, async, cancellationToken);
}
else if (typeof(TAny) == typeof(byte[]))
{
await _textHandler.Write((byte[])(object)value !, buf, lengthCache, parameter, async, cancellationToken);
}
else if (typeof(TAny) == typeof(JsonDocument))
{
var data = parameter?.ConvertedValue != null
? (byte[])parameter.ConvertedValue
: SerializeJsonDocument((JsonDocument)(object)value !);
await buf.WriteBytesRaw(data, async, cancellationToken);
}
else
{
// User POCO, read serialized representation from the validation phase
var s = parameter?.ConvertedValue != null
? (string)parameter.ConvertedValue
: JsonSerializer.Serialize(value !, value !.GetType(), _serializerOptions);
await _textHandler.Write(s, buf, lengthCache, parameter, async, cancellationToken);
}
}
/// <summary>
/// Writes the bytes to the buffer and flushes <b>only</b> when the buffer is full
/// </summary>
internal async Task WriteDataRowWithFlush(params byte[][] columnValues)
{
CheckDisposed();
_writeBuffer.WriteByte((byte)BackendMessageCode.DataRow);
_writeBuffer.WriteInt32(4 + 2 + columnValues.Sum(v => 4 + v.Length));
_writeBuffer.WriteInt16(columnValues.Length);
foreach (var field in columnValues)
{
_writeBuffer.WriteInt32(field.Length);
await _writeBuffer.WriteBytesRaw(field, true);
}
}