daemon: Improve the SQLite wrapper API.

In particular, this eliminates a bunch of boilerplate code.

Also integrates these Nix commits:

  80da7a6 Probably fix SQLITE_BUSY errors
  37a337b throwSQLiteError(): Check for SIGINT so we don't loop forever

Co-authored-by: Ludovic Courtès <ludo@gnu.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/nix/libstore/local-store.hh b/nix/libstore/local-store.hh
index f591589838..6110468498 100644
--- a/nix/libstore/local-store.hh
+++ b/nix/libstore/local-store.hh
@@ -207,6 +207,7 @@ private:
     SQLiteStmt stmtQueryValidDerivers;
     SQLiteStmt stmtQueryDerivationOutputs;
     SQLiteStmt stmtQueryPathFromHashPart;
+    SQLiteStmt stmtQueryValidPaths;
 
     /* Cache for pathContentsGood(). */
     std::map<Path, bool> pathContentsGoodCache;
@@ -223,11 +224,11 @@ private:
 
     void makeStoreWritable();
 
-    unsigned long long queryValidPathId(const Path & path);
+    uint64_t queryValidPathId(const Path & path);
 
-    unsigned long long addValidPath(const ValidPathInfo & info, bool checkOutputs = true);
+    uint64_t addValidPath(const ValidPathInfo & info, bool checkOutputs = true);
 
-    void addReference(unsigned long long referrer, unsigned long long reference);
+    void addReference(uint64_t referrer, uint64_t reference);
 
     void appendReferrer(const Path & from, const Path & to, bool lock);