[1760] Use ?, not $ for parameter substitution

Unrelated cleanup.

They are equivalent, but this looks more consistent.

diff --git a/src/lib/datasrc/sqlite3_accessor.cc b/src/lib/datasrc/sqlite3_accessor.cc
index 3cd66deed32bccd91f85052dc8311a6a447faffa..308df607a3514cb809cbbdd8ae9fff3b656eac79 100644 (file)
--- a/src/lib/datasrc/sqlite3_accessor.cc
+++ b/src/lib/datasrc/sqlite3_accessor.cc
@@ -86,7 +86,7 @@ const char* const text_statements[NUM_STATEMENTS] = {
      */
     "SELECT name FROM records " // FIND_PREVIOUS
         "WHERE zone_id=?1 AND rdtype = 'NSEC' AND "
-        "rname < $2 ORDER BY rname DESC LIMIT 1",
+        "rname < ?2 ORDER BY rname DESC LIMIT 1",
     "INSERT INTO diffs "        // ADD_RECORD_DIFF
         "(zone_id, version, operation, name, rrtype, ttl, rdata) "
         "VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7)",