Hide the sqlite statements declarations for the local store
These have no need to be in the public interface and it causes spurious rebuilds each time one wants to add or remove a new statement.
This commit is contained in:
regnat
parent
97dc44f3d6
commit
c0f21f08f8
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@ -42,6 +42,21 @@
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namespace nix {
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struct LocalStore::State::Stmts {
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/* Some precompiled SQLite statements. */
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SQLiteStmt RegisterValidPath;
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SQLiteStmt UpdatePathInfo;
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SQLiteStmt AddReference;
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SQLiteStmt QueryPathInfo;
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SQLiteStmt QueryReferences;
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SQLiteStmt QueryReferrers;
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SQLiteStmt InvalidatePath;
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SQLiteStmt AddDerivationOutput;
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SQLiteStmt QueryValidDerivers;
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SQLiteStmt QueryDerivationOutputs;
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SQLiteStmt QueryPathFromHashPart;
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SQLiteStmt QueryValidPaths;
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};
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LocalStore::LocalStore(const Params & params)
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: StoreConfig(params)
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@ -60,6 +75,7 @@ LocalStore::LocalStore(const Params & params)
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, locksHeld(tokenizeString<PathSet>(getEnv("NIX_HELD_LOCKS").value_or("")))
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{
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auto state(_state.lock());
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state->stmts = std::make_unique<State::Stmts>();
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/* Create missing state directories if they don't already exist. */
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createDirs(realStoreDir);
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@ -223,31 +239,31 @@ LocalStore::LocalStore(const Params & params)
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else openDB(*state, false);
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/* Prepare SQL statements. */
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state->stmtRegisterValidPath.create(state->db,
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state->stmts->RegisterValidPath.create(state->db,
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"insert into ValidPaths (path, hash, registrationTime, deriver, narSize, ultimate, sigs, ca) values (?, ?, ?, ?, ?, ?, ?, ?);");
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state->stmtUpdatePathInfo.create(state->db,
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state->stmts->UpdatePathInfo.create(state->db,
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"update ValidPaths set narSize = ?, hash = ?, ultimate = ?, sigs = ?, ca = ? where path = ?;");
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state->stmtAddReference.create(state->db,
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state->stmts->AddReference.create(state->db,
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"insert or replace into Refs (referrer, reference) values (?, ?);");
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state->stmtQueryPathInfo.create(state->db,
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state->stmts->QueryPathInfo.create(state->db,
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"select id, hash, registrationTime, deriver, narSize, ultimate, sigs, ca from ValidPaths where path = ?;");
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state->stmtQueryReferences.create(state->db,
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state->stmts->QueryReferences.create(state->db,
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"select path from Refs join ValidPaths on reference = id where referrer = ?;");
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state->stmtQueryReferrers.create(state->db,
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state->stmts->QueryReferrers.create(state->db,
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"select path from Refs join ValidPaths on referrer = id where reference = (select id from ValidPaths where path = ?);");
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state->stmtInvalidatePath.create(state->db,
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state->stmts->InvalidatePath.create(state->db,
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"delete from ValidPaths where path = ?;");
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state->stmtAddDerivationOutput.create(state->db,
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state->stmts->AddDerivationOutput.create(state->db,
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"insert or replace into DerivationOutputs (drv, id, path) values (?, ?, ?);");
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state->stmtQueryValidDerivers.create(state->db,
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state->stmts->QueryValidDerivers.create(state->db,
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"select v.id, v.path from DerivationOutputs d join ValidPaths v on d.drv = v.id where d.path = ?;");
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state->stmtQueryDerivationOutputs.create(state->db,
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state->stmts->QueryDerivationOutputs.create(state->db,
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"select id, path from DerivationOutputs where drv = ?;");
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// Use "path >= ?" with limit 1 rather than "path like '?%'" to
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// ensure efficient lookup.
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state->stmtQueryPathFromHashPart.create(state->db,
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state->stmts->QueryPathFromHashPart.create(state->db,
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"select path from ValidPaths where path >= ? limit 1;");
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state->stmtQueryValidPaths.create(state->db, "select path from ValidPaths");
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state->stmts->QueryValidPaths.create(state->db, "select path from ValidPaths");
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}
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@ -590,7 +606,7 @@ void LocalStore::linkDeriverToPath(const StorePath & deriver, const string & out
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void LocalStore::linkDeriverToPath(State & state, uint64_t deriver, const string & outputName, const StorePath & output)
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{
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retrySQLite<void>([&]() {
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state.stmtAddDerivationOutput.use()
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state.stmts->AddDerivationOutput.use()
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(deriver)
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(outputName)
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(printStorePath(output))
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@ -607,7 +623,7 @@ uint64_t LocalStore::addValidPath(State & state,
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throw Error("cannot add path '%s' to the Nix store because it claims to be content-addressed but isn't",
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printStorePath(info.path));
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state.stmtRegisterValidPath.use()
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state.stmts->RegisterValidPath.use()
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(printStorePath(info.path))
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(info.narHash.to_string(Base16, true))
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(info.registrationTime == 0 ? time(0) : info.registrationTime)
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@ -659,7 +675,7 @@ void LocalStore::queryPathInfoUncached(const StorePath & path,
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auto state(_state.lock());
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/* Get the path info. */
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auto useQueryPathInfo(state->stmtQueryPathInfo.use()(printStorePath(path)));
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auto useQueryPathInfo(state->stmts->QueryPathInfo.use()(printStorePath(path)));
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if (!useQueryPathInfo.next())
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return std::shared_ptr<ValidPathInfo>();
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@ -679,7 +695,7 @@ void LocalStore::queryPathInfoUncached(const StorePath & path,
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info->registrationTime = useQueryPathInfo.getInt(2);
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auto s = (const char *) sqlite3_column_text(state->stmtQueryPathInfo, 3);
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auto s = (const char *) sqlite3_column_text(state->stmts->QueryPathInfo, 3);
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if (s) info->deriver = parseStorePath(s);
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/* Note that narSize = NULL yields 0. */
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@ -687,14 +703,14 @@ void LocalStore::queryPathInfoUncached(const StorePath & path,
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info->ultimate = useQueryPathInfo.getInt(5) == 1;
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s = (const char *) sqlite3_column_text(state->stmtQueryPathInfo, 6);
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s = (const char *) sqlite3_column_text(state->stmts->QueryPathInfo, 6);
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if (s) info->sigs = tokenizeString<StringSet>(s, " ");
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s = (const char *) sqlite3_column_text(state->stmtQueryPathInfo, 7);
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s = (const char *) sqlite3_column_text(state->stmts->QueryPathInfo, 7);
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if (s) info->ca = parseContentAddressOpt(s);
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/* Get the references. */
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auto useQueryReferences(state->stmtQueryReferences.use()(info->id));
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auto useQueryReferences(state->stmts->QueryReferences.use()(info->id));
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while (useQueryReferences.next())
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info->references.insert(parseStorePath(useQueryReferences.getStr(0)));
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@ -709,7 +725,7 @@ void LocalStore::queryPathInfoUncached(const StorePath & path,
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/* Update path info in the database. */
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void LocalStore::updatePathInfo(State & state, const ValidPathInfo & info)
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{
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state.stmtUpdatePathInfo.use()
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state.stmts->UpdatePathInfo.use()
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(info.narSize, info.narSize != 0)
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(info.narHash.to_string(Base16, true))
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(info.ultimate ? 1 : 0, info.ultimate)
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@ -722,7 +738,7 @@ void LocalStore::updatePathInfo(State & state, const ValidPathInfo & info)
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uint64_t LocalStore::queryValidPathId(State & state, const StorePath & path)
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{
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auto use(state.stmtQueryPathInfo.use()(printStorePath(path)));
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auto use(state.stmts->QueryPathInfo.use()(printStorePath(path)));
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if (!use.next())
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throw InvalidPath("path '%s' is not valid", printStorePath(path));
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return use.getInt(0);
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@ -731,7 +747,7 @@ uint64_t LocalStore::queryValidPathId(State & state, const StorePath & path)
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bool LocalStore::isValidPath_(State & state, const StorePath & path)
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{
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return state.stmtQueryPathInfo.use()(printStorePath(path)).next();
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return state.stmts->QueryPathInfo.use()(printStorePath(path)).next();
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}
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@ -757,7 +773,7 @@ StorePathSet LocalStore::queryAllValidPaths()
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{
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return retrySQLite<StorePathSet>([&]() {
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auto state(_state.lock());
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auto use(state->stmtQueryValidPaths.use());
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auto use(state->stmts->QueryValidPaths.use());
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StorePathSet res;
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while (use.next()) res.insert(parseStorePath(use.getStr(0)));
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return res;
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@ -767,7 +783,7 @@ StorePathSet LocalStore::queryAllValidPaths()
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void LocalStore::queryReferrers(State & state, const StorePath & path, StorePathSet & referrers)
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{
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auto useQueryReferrers(state.stmtQueryReferrers.use()(printStorePath(path)));
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auto useQueryReferrers(state.stmts->QueryReferrers.use()(printStorePath(path)));
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while (useQueryReferrers.next())
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referrers.insert(parseStorePath(useQueryReferrers.getStr(0)));
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@ -788,7 +804,7 @@ StorePathSet LocalStore::queryValidDerivers(const StorePath & path)
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return retrySQLite<StorePathSet>([&]() {
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auto state(_state.lock());
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auto useQueryValidDerivers(state->stmtQueryValidDerivers.use()(printStorePath(path)));
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auto useQueryValidDerivers(state->stmts->QueryValidDerivers.use()(printStorePath(path)));
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StorePathSet derivers;
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while (useQueryValidDerivers.next())
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@ -848,7 +864,7 @@ std::map<std::string, std::optional<StorePath>> LocalStore::queryPartialDerivati
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}
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auto useQueryDerivationOutputs {
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state->stmtQueryDerivationOutputs.use()
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state->stmts->QueryDerivationOutputs.use()
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(drvId)
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};
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@ -872,11 +888,11 @@ std::optional<StorePath> LocalStore::queryPathFromHashPart(const std::string & h
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return retrySQLite<std::optional<StorePath>>([&]() -> std::optional<StorePath> {
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auto state(_state.lock());
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auto useQueryPathFromHashPart(state->stmtQueryPathFromHashPart.use()(prefix));
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auto useQueryPathFromHashPart(state->stmts->QueryPathFromHashPart.use()(prefix));
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if (!useQueryPathFromHashPart.next()) return {};
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const char * s = (const char *) sqlite3_column_text(state->stmtQueryPathFromHashPart, 0);
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const char * s = (const char *) sqlite3_column_text(state->stmts->QueryPathFromHashPart, 0);
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if (s && prefix.compare(0, prefix.size(), s, prefix.size()) == 0)
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return parseStorePath(s);
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return {};
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@ -990,7 +1006,7 @@ void LocalStore::registerValidPaths(const ValidPathInfos & infos)
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for (auto & [_, i] : infos) {
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auto referrer = queryValidPathId(*state, i.path);
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for (auto & j : i.references)
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state->stmtAddReference.use()(referrer)(queryValidPathId(*state, j)).exec();
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state->stmts->AddReference.use()(referrer)(queryValidPathId(*state, j)).exec();
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}
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/* Check that the derivation outputs are correct. We can't do
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@ -1030,7 +1046,7 @@ void LocalStore::invalidatePath(State & state, const StorePath & path)
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{
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debug("invalidating path '%s'", printStorePath(path));
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state.stmtInvalidatePath.use()(printStorePath(path)).exec();
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state.stmts->InvalidatePath.use()(printStorePath(path)).exec();
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/* Note that the foreign key constraints on the Refs table take
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care of deleting the references entries for `path'. */
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@ -55,19 +55,8 @@ private:
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/* The SQLite database object. */
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SQLite db;
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/* Some precompiled SQLite statements. */
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SQLiteStmt stmtRegisterValidPath;
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SQLiteStmt stmtUpdatePathInfo;
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SQLiteStmt stmtAddReference;
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SQLiteStmt stmtQueryPathInfo;
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SQLiteStmt stmtQueryReferences;
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SQLiteStmt stmtQueryReferrers;
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SQLiteStmt stmtInvalidatePath;
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SQLiteStmt stmtAddDerivationOutput;
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SQLiteStmt stmtQueryValidDerivers;
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SQLiteStmt stmtQueryDerivationOutputs;
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SQLiteStmt stmtQueryPathFromHashPart;
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SQLiteStmt stmtQueryValidPaths;
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struct Stmts;
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std::unique_ptr<Stmts> stmts;
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/* The file to which we write our temporary roots. */
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AutoCloseFD fdTempRoots;
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