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Merge pull request #13800 from NixOS/concurrent-eval-cache

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Use WAL mode for SQLite cache databases
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Eelco Dolstra 2025-08-21 11:42:15 +02:00 • committed by GitHub
commit 615b10cb44
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6 changed files with 10 additions and 10 deletions
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src/libstore/local-store.cc
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@ -488,12 +488,11 @@ void LocalStore::openDB(State & state, bool create)
throw SysError("Nix database directory '%1%' is not writable", dbDir);
/* Open the Nix database. */
std::string dbPath = dbDir + "/db.sqlite";
auto & db(state.db);
auto openMode = config->readOnly ? SQLiteOpenMode::Immutable
: create ? SQLiteOpenMode::Normal
: SQLiteOpenMode::NoCreate;
state.db = SQLite(dbPath, openMode);
state.db = SQLite(std::filesystem::path(dbDir) / "db.sqlite", openMode);
#ifdef __CYGWIN__
/* The cygwin version of sqlite3 has a patch which calls