Function add_tran_funcs

lua/sp.c:5093–5098

static void add_tran_funcs(Lua L)
{
    luaL_getmetatable(L, dbtypes.db);
    luaL_openlib(L, NULL, tran_funcs, 0);
    lua_pop(L, 1);
}

static void remove_tran_funcs(Lua L)
{