public async Task <IPage> SeekAndRead(ulong position, PageType pageType, IBufferPool bufferPool, ColumnInfo[] columnInfos)
{
// TODO: this level of serialization is super slow...
await semaphore.WaitAsync().ConfigureAwait(false);
try
{
this.fileStream.Seek((long)position, SeekOrigin.Begin);
(Memory <byte> memory, ulong token) = bufferPool.GetMemory();
return(pageType switch
{
PageType.MixedPage => new MixedPage(this.binaryReader, memory, token, columnInfos),
PageType.StringPage => new StringOnlyPage(this.binaryReader),
_ => throw new ArgumentException()
});
}
