diff options
Diffstat (limited to 'nix/libstore/local-store.cc')
| -rw-r--r-- | nix/libstore/local-store.cc | 243 |
1 files changed, 68 insertions, 175 deletions
diff --git a/nix/libstore/local-store.cc b/nix/libstore/local-store.cc index 6d298cda43..882bce1f40 100644 --- a/nix/libstore/local-store.cc +++ b/nix/libstore/local-store.cc @@ -329,6 +329,7 @@ void LocalStore::openDB(bool create) // ensure efficient lookup. stmtQueryPathFromHashPart.create(db, "select path from ValidPaths where path >= ? limit 1;"); + stmtQueryValidPaths.create(db, "select path from ValidPaths"); } @@ -523,23 +524,16 @@ void LocalStore::checkDerivationOutputs(const Path & drvPath, const Derivation & } -unsigned long long LocalStore::addValidPath(const ValidPathInfo & info, bool checkOutputs) +uint64_t LocalStore::addValidPath(const ValidPathInfo & info, bool checkOutputs) { - SQLiteStmtUse use(stmtRegisterValidPath); - stmtRegisterValidPath.bind(info.path); - stmtRegisterValidPath.bind("sha256:" + printHash(info.hash)); - stmtRegisterValidPath.bind(info.registrationTime == 0 ? time(0) : info.registrationTime); - if (info.deriver != "") - stmtRegisterValidPath.bind(info.deriver); - else - stmtRegisterValidPath.bind(); // null - if (info.narSize != 0) - stmtRegisterValidPath.bind64(info.narSize); - else - stmtRegisterValidPath.bind(); // null - if (sqlite3_step(stmtRegisterValidPath) != SQLITE_DONE) - throwSQLiteError(db, format("registering valid path `%1%' in database") % info.path); - unsigned long long id = sqlite3_last_insert_rowid(db); + stmtRegisterValidPath.use() + (info.path) + ("sha256:" + printHash(info.hash)) + (info.registrationTime == 0 ? time(0) : info.registrationTime) + (info.deriver, info.deriver != "") + (info.narSize, info.narSize != 0) + .exec(); + uint64_t id = sqlite3_last_insert_rowid(db); /* If this is a derivation, then store the derivation outputs in the database. This is useful for the garbage collector: it can @@ -555,13 +549,12 @@ unsigned long long LocalStore::addValidPath(const ValidPathInfo & info, bool che registration above is undone. */ if (checkOutputs) checkDerivationOutputs(info.path, drv); - foreach (DerivationOutputs::iterator, i, drv.outputs) { - SQLiteStmtUse use(stmtAddDerivationOutput); - stmtAddDerivationOutput.bind(id); - stmtAddDerivationOutput.bind(i->first); - stmtAddDerivationOutput.bind(i->second.path); - if (sqlite3_step(stmtAddDerivationOutput) != SQLITE_DONE) - throwSQLiteError(db, format("adding derivation output for `%1%' in database") % info.path); + for (auto & i : drv.outputs) { + stmtAddDerivationOutput.use() + (id) + (i.first) + (i.second.path) + .exec(); } } @@ -569,24 +562,16 @@ unsigned long long LocalStore::addValidPath(const ValidPathInfo & info, bool che } -void LocalStore::addReference(unsigned long long referrer, unsigned long long reference) +void LocalStore::addReference(uint64_t referrer, uint64_t reference) { - SQLiteStmtUse use(stmtAddReference); - stmtAddReference.bind(referrer); - stmtAddReference.bind(reference); - if (sqlite3_step(stmtAddReference) != SQLITE_DONE) - throwSQLiteError(db, "adding reference to database"); + stmtAddReference.use()(referrer)(reference).exec(); } void LocalStore::registerFailedPath(const Path & path) { retrySQLite<void>([&]() { - SQLiteStmtUse use(stmtRegisterFailedPath); - stmtRegisterFailedPath.bind(path); - stmtRegisterFailedPath.bind(time(0)); - if (sqlite3_step(stmtRegisterFailedPath) != SQLITE_DONE) - throwSQLiteError(db, format("registering failed path `%1%'") % path); + stmtRegisterFailedPath.use()(path)(time(0)).step(); }); } @@ -594,12 +579,7 @@ void LocalStore::registerFailedPath(const Path & path) bool LocalStore::hasPathFailed(const Path & path) { return retrySQLite<bool>([&]() { - SQLiteStmtUse use(stmtHasPathFailed); - stmtHasPathFailed.bind(path); - int res = sqlite3_step(stmtHasPathFailed); - if (res != SQLITE_DONE && res != SQLITE_ROW) - throwSQLiteError(db, "querying whether path failed"); - return res == SQLITE_ROW; + return stmtHasPathFailed.use()(path).next(); }); } @@ -607,18 +587,11 @@ bool LocalStore::hasPathFailed(const Path & path) PathSet LocalStore::queryFailedPaths() { return retrySQLite<PathSet>([&]() { - SQLiteStmtUse use(stmtQueryFailedPaths); + auto useQueryFailedPaths(stmtQueryFailedPaths.use()); PathSet res; - int r; - while ((r = sqlite3_step(stmtQueryFailedPaths)) == SQLITE_ROW) { - const char * s = (const char *) sqlite3_column_text(stmtQueryFailedPaths, 0); - assert(s); - res.insert(s); - } - - if (r != SQLITE_DONE) - throwSQLiteError(db, "error querying failed paths"); + while (useQueryFailedPaths.next()) + res.insert(useQueryFailedPaths.getStr(0)); return res; }); @@ -630,12 +603,8 @@ void LocalStore::clearFailedPaths(const PathSet & paths) retrySQLite<void>([&]() { SQLiteTxn txn(db); - foreach (PathSet::const_iterator, i, paths) { - SQLiteStmtUse use(stmtClearFailedPath); - stmtClearFailedPath.bind(*i); - if (sqlite3_step(stmtClearFailedPath) != SQLITE_DONE) - throwSQLiteError(db, format("clearing failed path `%1%' in database") % *i); - } + for (auto & path : paths) + stmtClearFailedPath.use()(path).exec(); txn.commit(); }); @@ -666,41 +635,28 @@ ValidPathInfo LocalStore::queryPathInfo(const Path & path) return retrySQLite<ValidPathInfo>([&]() { /* Get the path info. */ - SQLiteStmtUse use1(stmtQueryPathInfo); - - stmtQueryPathInfo.bind(path); + auto useQueryPathInfo(stmtQueryPathInfo.use()(path)); - int r = sqlite3_step(stmtQueryPathInfo); - if (r == SQLITE_DONE) throw Error(format("path `%1%' is not valid") % path); - if (r != SQLITE_ROW) throwSQLiteError(db, "querying path in database"); + if (!useQueryPathInfo.next()) + throw Error(format("path `%1%' is not valid") % path); - info.id = sqlite3_column_int(stmtQueryPathInfo, 0); + info.id = useQueryPathInfo.getInt(0); - const char * s = (const char *) sqlite3_column_text(stmtQueryPathInfo, 1); - assert(s); - info.hash = parseHashField(path, s); + info.hash = parseHashField(path, useQueryPathInfo.getStr(1)); - info.registrationTime = sqlite3_column_int(stmtQueryPathInfo, 2); + info.registrationTime = useQueryPathInfo.getInt(2); - s = (const char *) sqlite3_column_text(stmtQueryPathInfo, 3); + auto s = (const char *) sqlite3_column_text(stmtQueryPathInfo, 3); if (s) info.deriver = s; /* Note that narSize = NULL yields 0. */ - info.narSize = sqlite3_column_int64(stmtQueryPathInfo, 4); + info.narSize = useQueryPathInfo.getInt(4); /* Get the references. */ - SQLiteStmtUse use2(stmtQueryReferences); - - stmtQueryReferences.bind(info.id); + auto useQueryReferences(stmtQueryReferences.use()(info.id)); - while ((r = sqlite3_step(stmtQueryReferences)) == SQLITE_ROW) { - s = (const char *) sqlite3_column_text(stmtQueryReferences, 0); - assert(s); - info.references.insert(s); - } - - if (r != SQLITE_DONE) - throwSQLiteError(db, format("error getting references of `%1%'") % path); + while (useQueryReferences.next()) + info.references.insert(useQueryReferences.getStr(0)); return info; }); @@ -711,37 +667,26 @@ ValidPathInfo LocalStore::queryPathInfo(const Path & path) narSize field. */ void LocalStore::updatePathInfo(const ValidPathInfo & info) { - SQLiteStmtUse use(stmtUpdatePathInfo); - if (info.narSize != 0) - stmtUpdatePathInfo.bind64(info.narSize); - else - stmtUpdatePathInfo.bind(); // null - stmtUpdatePathInfo.bind("sha256:" + printHash(info.hash)); - stmtUpdatePathInfo.bind(info.path); - if (sqlite3_step(stmtUpdatePathInfo) != SQLITE_DONE) - throwSQLiteError(db, format("updating info of path `%1%' in database") % info.path); + stmtUpdatePathInfo.use() + (info.narSize, info.narSize != 0) + ("sha256:" + printHash(info.hash)) + (info.path) + .exec(); } -unsigned long long LocalStore::queryValidPathId(const Path & path) +uint64_t 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); - throwSQLiteError(db, "querying path in database"); + auto use(stmtQueryPathInfo.use()(path)); + if (!use.next()) + throw Error(format("path ‘%1%’ is not valid") % path); + return use.getInt(0); } bool LocalStore::isValidPath_(const Path & path) { - SQLiteStmtUse use(stmtQueryPathInfo); - stmtQueryPathInfo.bind(path); - int res = sqlite3_step(stmtQueryPathInfo); - if (res != SQLITE_DONE && res != SQLITE_ROW) - throwSQLiteError(db, "querying path in database"); - return res == SQLITE_ROW; + return stmtQueryPathInfo.use()(path).next(); } @@ -767,20 +712,9 @@ PathSet LocalStore::queryValidPaths(const PathSet & paths) PathSet LocalStore::queryAllValidPaths() { return retrySQLite<PathSet>([&]() { - SQLiteStmt stmt; - stmt.create(db, "select path from ValidPaths"); - + auto use(stmtQueryValidPaths.use()); PathSet res; - int r; - while ((r = sqlite3_step(stmt)) == SQLITE_ROW) { - const char * s = (const char *) sqlite3_column_text(stmt, 0); - assert(s); - res.insert(s); - } - - if (r != SQLITE_DONE) - throwSQLiteError(db, "error getting valid paths"); - + while (use.next()) res.insert(use.getStr(0)); return res; }); } @@ -796,19 +730,10 @@ void LocalStore::queryReferences(const Path & path, void LocalStore::queryReferrers_(const Path & path, PathSet & referrers) { - SQLiteStmtUse use(stmtQueryReferrers); - - stmtQueryReferrers.bind(path); - - int r; - while ((r = sqlite3_step(stmtQueryReferrers)) == SQLITE_ROW) { - const char * s = (const char *) sqlite3_column_text(stmtQueryReferrers, 0); - assert(s); - referrers.insert(s); - } + auto useQueryReferrers(stmtQueryReferrers.use()(path)); - if (r != SQLITE_DONE) - throwSQLiteError(db, format("error getting references of `%1%'") % path); + while (useQueryReferrers.next()) + referrers.insert(useQueryReferrers.getStr(0)); } @@ -832,19 +757,11 @@ PathSet LocalStore::queryValidDerivers(const Path & path) assertStorePath(path); return retrySQLite<PathSet>([&]() { - SQLiteStmtUse use(stmtQueryValidDerivers); - stmtQueryValidDerivers.bind(path); + auto useQueryValidDerivers(stmtQueryValidDerivers.use()(path)); PathSet derivers; - int r; - while ((r = sqlite3_step(stmtQueryValidDerivers)) == SQLITE_ROW) { - const char * s = (const char *) sqlite3_column_text(stmtQueryValidDerivers, 1); - assert(s); - derivers.insert(s); - } - - if (r != SQLITE_DONE) - throwSQLiteError(db, format("error getting valid derivers of `%1%'") % path); + while (useQueryValidDerivers.next()) + derivers.insert(useQueryValidDerivers.getStr(1)); return derivers; }); @@ -854,19 +771,11 @@ PathSet LocalStore::queryValidDerivers(const Path & path) PathSet LocalStore::queryDerivationOutputs(const Path & path) { return retrySQLite<PathSet>([&]() { - SQLiteStmtUse use(stmtQueryDerivationOutputs); - stmtQueryDerivationOutputs.bind(queryValidPathId(path)); + auto useQueryDerivationOutputs(stmtQueryDerivationOutputs.use()(queryValidPathId(path))); PathSet outputs; - int r; - while ((r = sqlite3_step(stmtQueryDerivationOutputs)) == SQLITE_ROW) { - const char * s = (const char *) sqlite3_column_text(stmtQueryDerivationOutputs, 1); - assert(s); - outputs.insert(s); - } - - if (r != SQLITE_DONE) - throwSQLiteError(db, format("error getting outputs of `%1%'") % path); + while (useQueryDerivationOutputs.next()) + outputs.insert(useQueryDerivationOutputs.getStr(1)); return outputs; }); @@ -876,19 +785,11 @@ PathSet LocalStore::queryDerivationOutputs(const Path & path) StringSet LocalStore::queryDerivationOutputNames(const Path & path) { return retrySQLite<StringSet>([&]() { - SQLiteStmtUse use(stmtQueryDerivationOutputs); - stmtQueryDerivationOutputs.bind(queryValidPathId(path)); + auto useQueryDerivationOutputs(stmtQueryDerivationOutputs.use()(queryValidPathId(path))); StringSet outputNames; - int r; - while ((r = sqlite3_step(stmtQueryDerivationOutputs)) == SQLITE_ROW) { - const char * s = (const char *) sqlite3_column_text(stmtQueryDerivationOutputs, 0); - assert(s); - outputNames.insert(s); - } - - if (r != SQLITE_DONE) - throwSQLiteError(db, format("error getting output names of `%1%'") % path); + while (useQueryDerivationOutputs.next()) + outputNames.insert(useQueryDerivationOutputs.getStr(0)); return outputNames; }); @@ -902,12 +803,9 @@ Path LocalStore::queryPathFromHashPart(const string & hashPart) Path prefix = settings.nixStore + "/" + hashPart; return retrySQLite<Path>([&]() -> Path { - SQLiteStmtUse use(stmtQueryPathFromHashPart); - stmtQueryPathFromHashPart.bind(prefix); + auto useQueryPathFromHashPart(stmtQueryPathFromHashPart.use()(prefix)); - int res = sqlite3_step(stmtQueryPathFromHashPart); - if (res == SQLITE_DONE) return ""; - if (res != SQLITE_ROW) throwSQLiteError(db, "finding path in database"); + if (!useQueryPathFromHashPart.next()) return ""; const char * s = (const char *) sqlite3_column_text(stmtQueryPathFromHashPart, 0); return s && prefix.compare(0, prefix.size(), s, prefix.size()) == 0 ? s : ""; @@ -1154,10 +1052,10 @@ void LocalStore::registerValidPaths(const ValidPathInfos & infos) paths.insert(i->path); } - foreach (ValidPathInfos::const_iterator, i, infos) { - unsigned long long referrer = queryValidPathId(i->path); - foreach (PathSet::iterator, j, i->references) - addReference(referrer, queryValidPathId(*j)); + for (auto & i : infos) { + auto referrer = queryValidPathId(i.path); + for (auto & j : i.references) + addReference(referrer, queryValidPathId(j)); } /* Check that the derivation outputs are correct. We can't do @@ -1190,12 +1088,7 @@ void LocalStore::invalidatePath(const Path & path) drvHashes.erase(path); - SQLiteStmtUse use(stmtInvalidatePath); - - stmtInvalidatePath.bind(path); - - if (sqlite3_step(stmtInvalidatePath) != SQLITE_DONE) - throwSQLiteError(db, format("invalidating path `%1%' in database") % path); + stmtInvalidatePath.use()(path).exec(); /* Note that the foreign key constraints on the Refs table take care of deleting the references entries for `path'. */ |