The sqlite3_trace() callback does not try to expand parameters in statements

that have no parameter.

FossilOrigin-Name: 917e3c36293a1bf052a16116c93e5037ed712f96

src/vdbetrace.c

@@ -95,6 +95,8 @@ char *sqlite3VdbeExpandSql(
       assert( (zRawSql - zStart) > 0 );
       sqlite3StrAccumAppend(&out, zStart, (int)(zRawSql-zStart));
     }
+  }else if( p->nVar==0 ){
+    sqlite3StrAccumAppend(&out, zRawSql, sqlite3Strlen30(zRawSql));
   }else{
     while( zRawSql[0] ){
       n = findNextHostParameter(zRawSql, &nToken);