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* Wrap calls to registerSubstitute() in a single transaction to

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improve throughput.
* Don't build the `substitute-rev' table for now, since it caused
  Theta(N^2) time and log file consumption when adding N substitutes.
  Maybe we can do without it.
This commit is contained in:
Eelco Dolstra 2004-06-21 07:38:17 +00:00
parent 15c60ca1b6
commit daf0a923c7
3 changed files with 13 additions and 11 deletions
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4
src/libstore/store.hh
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@ -63,8 +63,8 @@ bool querySuccessor(const Path & srcPath, Path & sucPath);
Paths queryPredecessors(const Path & sucPath);
/* Register a substitute. */
void registerSubstitute(const Path & srcPath,
const Substitute & sub);
void registerSubstitute(const Transaction & txn,
const Path & srcPath, const Substitute & sub);
/* Return the substitutes expression for the given path. */
Substitutes querySubstitutes(const Path & srcPath);