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Postgres FD Implementation
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  • Vadim B. Mikheev's avatar
    Fixing possible losing data changes: · 9ff69034
    Vadim B. Mikheev authored 
    1. New flag - BM_JUST_DIRTIED - added for BufferDesc;
2. All data "dirtiers" (WriteBuffer and WriteNoReleaseBuffer)
   set this flag (and BM_DIRTY too);
3. All data "flushers" (FlushBuffer, BufferSync and BufferReplace)
   turn this flag off just before calling smgr[blind]write/smgrflush
   and check this flag after flushing buffer: if it turned ON then
   BM_DIRTY will stay ON.
    9ff69034
bufmgr.c 44.6 KB