# 
# patch "database.cc"
#  from [773aa80a7a4f387c5ed8cc02066194830a8dfc1e]
#    to [94a9034358588124d85b380f029b0678b369b37b]
# 
--- database.cc
+++ database.cc
@@ -1401,10 +1401,10 @@
 
   // perform the actual SQL transactions to kill rev rid here
   L(F("Killing revision %s locally\n") % rid);
-  execute("DELETE from revision_certs WHERE id = '%s'",rid.inner()().c_str());
-  execute("DELETE from revision_ancestry WHERE child = '%s'",
+  execute("DELETE from revision_certs WHERE id = ?",rid.inner()().c_str());
+  execute("DELETE from revision_ancestry WHERE child = ?",
           rid.inner()().c_str());
-  execute("DELETE from revisions WHERE id = '%s'",rid.inner()().c_str());
+  execute("DELETE from revisions WHERE id = ?",rid.inner()().c_str());
 }
 
 // crypto key management