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revert revert

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This commit is contained in:
Nikita Taranov 2024-02-28 19:04:25 +01:00
parent dc135294f0
commit 27923ee619
1 changed files with 19 additions and 0 deletions
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19
src/Storages/StorageFile.cpp
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@ -26,6 +26,8 @@
#include <IO/Archives/createArchiveReader.h>
#include <IO/Archives/IArchiveReader.h>
#include <IO/PeekableReadBuffer.h>
#include <IO/AsynchronousReadBufferFromFile.h>
#include <Disks/IO/IOUringReader.h>
#include <Formats/FormatFactory.h>
#include <Formats/ReadSchemaUtils.h>
@ -92,6 +94,7 @@ namespace ErrorCodes
extern const int CANNOT_EXTRACT_TABLE_STRUCTURE;
extern const int CANNOT_DETECT_FORMAT;
extern const int CANNOT_COMPILE_REGEXP;
extern const int UNSUPPORTED_METHOD;
}
namespace
@ -276,6 +279,22 @@ std::unique_ptr<ReadBuffer> selectReadBuffer(
ProfileEvents::increment(ProfileEvents::CreatedReadBufferOrdinary);
}
else if (read_method == LocalFSReadMethod::io_uring && !use_table_fd)
{
#if USE_LIBURING
auto & reader = context->getIOURingReader();
if (!reader.isSupported())
throw Exception(ErrorCodes::UNSUPPORTED_METHOD, "io_uring is not supported by this system");
res = std::make_unique<AsynchronousReadBufferFromFileWithDescriptorsCache>(
reader,
Priority{},
current_path,
context->getSettingsRef().max_read_buffer_size);
#else
throw Exception(ErrorCodes::UNSUPPORTED_METHOD, "Read method io_uring is only supported in Linux");
#endif
}
else
{
if (use_table_fd)