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author | Peter Geoghegan <pg@bowt.ie> | 2019-08-23 20:24:49 -0700 |
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committer | Peter Geoghegan <pg@bowt.ie> | 2019-08-23 20:24:49 -0700 |
commit | 867d25ccb4c7f290d08c720622ecaae4afd1dc3f (patch) | |
tree | 0bb206af625f67b9b9d464c25c01e4901dae4440 /src/backend/jit/llvm/llvmjit_inline.cpp | |
parent | 989d23b04beac0c26f44c379b04ac781eaa4265e (diff) | |
download | postgresql-867d25ccb4c7f290d08c720622ecaae4afd1dc3f.tar.gz postgresql-867d25ccb4c7f290d08c720622ecaae4afd1dc3f.zip |
Explain subtlety in nbtree locking protocol.
The Postgres approach to coupling locks during an ascent of the tree is
slightly different to the approach taken by Lehman and Yao. Add a new
paragraph to the "Differences to the Lehman & Yao algorithm" section of
the nbtree README that explains the similarities and differences.
Diffstat (limited to 'src/backend/jit/llvm/llvmjit_inline.cpp')
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