weaselab/conflict-set
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Handle newly-created node partial key immediately

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This commit is contained in:
Andrew Noyes
2024-08-06 09:22:21 -07:00
parent b4b469a175
commit c3a047fdf8
1 changed files with 4 additions and 12 deletions
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16
ConflictSet.cpp
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@@ -2928,16 +2928,6 @@ checkMaxBetweenExclusiveImpl<true>(Node *n, int begin, int end,
// up.
}
key = key.subspan(partialKeyIndex, key.size() - partialKeyIndex);
} else {
// Consider adding a partial key
if ((*self)->numChildren == 0 && !(*self)->entryPresent) {
assert((*self)->getCapacity() >= int(key.size()));
(*self)->partialKeyLen = key.size();
memcpy((*self)->partialKey(), key.data(), (*self)->partialKeyLen);
key = key.subspan((*self)->partialKeyLen,
key.size() - (*self)->partialKeyLen);
}
}
assert(maxVersion(*self, impl) <= writeVersion);
@@ -2952,10 +2942,12 @@ checkMaxBetweenExclusiveImpl<true>(Node *n, int begin, int end,
child = tls->allocate<Node0>(key.size() - 1);
child->numChildren = 0;
child->entryPresent = false;
child->partialKeyLen = 0;
child->partialKeyLen = key.size() - 1;
child->parent = *self;
child->parentsIndex = key.front();
setMaxVersion(child, impl, tls->zero);
setMaxVersion(child, impl, writeVersion);
memcpy(child->partialKey(), key.data() + 1, child->partialKeyLen);
return child;
}
self = &child;