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* A function to query just the database id of a valid path.

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This commit is contained in:
Eelco Dolstra 2010-02-24 15:07:23 +00:00
parent 6baa2a2f5e
commit cfe742cfc5
2 changed files with 22 additions and 16 deletions
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36
src/libstore/local-store.cc
View file

@ -461,10 +461,8 @@ void LocalStore::registerValidPath(const ValidPathInfo & info)
unsigned long long id = addValidPath(info2); unsigned long long id = addValidPath(info2);
foreach (PathSet::const_iterator, i, info2.references) { foreach (PathSet::const_iterator, i, info2.references)
ValidPathInfo ref = queryPathInfo(*i); addReference(id, queryValidPathId(*i));
addReference(id, ref.id);
}
txn.commit(); txn.commit();
} }
@ -551,6 +549,17 @@ ValidPathInfo LocalStore::queryPathInfo(const Path & path)
} }
unsigned long long LocalStore::queryValidPathId(const Path & path)
{
SQLiteStmtUse use(stmtQueryPathInfo);
stmtQueryPathInfo.bind(path);
int res = sqlite3_step(stmtQueryPathInfo);
if (res == SQLITE_ROW) return sqlite3_column_int(stmtQueryPathInfo, 0);
if (res == SQLITE_DONE) throw Error(format("path `%1%' is not valid") % path);
throw SQLiteError(db, "querying path in database");
}
bool LocalStore::isValidPath(const Path & path) bool LocalStore::isValidPath(const Path & path)
{ {
SQLiteStmtUse use(stmtQueryPathInfo); SQLiteStmtUse use(stmtQueryPathInfo);
@ -644,7 +653,7 @@ PathSet LocalStore::queryDerivationOutputs(const Path & path)
SQLiteTxn txn(db); SQLiteTxn txn(db);
SQLiteStmtUse use(stmtQueryDerivationOutputs); SQLiteStmtUse use(stmtQueryDerivationOutputs);
stmtQueryDerivationOutputs.bind(queryPathInfo(path).id); stmtQueryDerivationOutputs.bind(queryValidPathId(path));
PathSet outputs; PathSet outputs;
int r; int r;
@ -778,9 +787,9 @@ void LocalStore::registerValidPaths(const ValidPathInfos & infos)
foreach (ValidPathInfos::const_iterator, i, infos) addValidPath(*i); foreach (ValidPathInfos::const_iterator, i, infos) addValidPath(*i);
foreach (ValidPathInfos::const_iterator, i, infos) { foreach (ValidPathInfos::const_iterator, i, infos) {
unsigned long long referrer = queryPathInfo(i->path).id; unsigned long long referrer = queryValidPathId(i->path);
foreach (PathSet::iterator, j, i->references) foreach (PathSet::iterator, j, i->references)
addReference(referrer, queryPathInfo(*j).id); addReference(referrer, queryValidPathId(*j));
} }
txn.commit(); txn.commit();
@ -1229,11 +1238,8 @@ void LocalStore::upgradeStore6()
SQLiteTxn txn(db); SQLiteTxn txn(db);
std::map<Path, sqlite3_int64> pathToId;
foreach (PathSet::iterator, i, validPaths) { foreach (PathSet::iterator, i, validPaths) {
ValidPathInfo info = queryPathInfoOld(*i); addValidPath(queryPathInfoOld(*i));
pathToId[*i] = addValidPath(info);
std::cerr << "."; std::cerr << ".";
} }
@ -1241,11 +1247,9 @@ void LocalStore::upgradeStore6()
foreach (PathSet::iterator, i, validPaths) { foreach (PathSet::iterator, i, validPaths) {
ValidPathInfo info = queryPathInfoOld(*i); ValidPathInfo info = queryPathInfoOld(*i);
foreach (PathSet::iterator, j, info.references) { unsigned long long referrer = queryValidPathId(*i);
if (pathToId.find(*j) == pathToId.end()) foreach (PathSet::iterator, j, info.references)
throw Error(format("path `%1%' referenced by `%2%' is invalid") % *j % *i); addReference(referrer, queryValidPathId(*j));
addReference(pathToId[*i], pathToId[*j]);
}
std::cerr << "."; std::cerr << ".";
} }

2
src/libstore/local-store.hh
View file

@ -213,6 +213,8 @@ private:
void prepareStatements(); void prepareStatements();
unsigned long long queryValidPathId(const Path & path);
unsigned long long addValidPath(const ValidPathInfo & info); unsigned long long addValidPath(const ValidPathInfo & info);
void addReference(unsigned long long referrer, unsigned long long reference); void addReference(unsigned long long referrer, unsigned long long reference);