Function luatable_emit

lua/sp.c:2403–2422

static int l_send_back_row(Lua, sqlite3_stmt *, int);
static int luatable_emit(Lua L)
{
    int cols;
    SP sp = getsp(L);
    sqlite3_stmt *stmt = get_sqlrow_stmt(L);
    if (stmt) {
        cols = column_count(NULL, stmt);
    } else if (sp->parent->ntypes) {
        push_clnt_cols(L, sp);
        lua_pop(L, 1);
        cols = lua_gettop(L);
    } else {
        return luaL_error(L, "attempt to emit row without defining columns");
    }
    /* NC: Should we iterate over all the rows here and call lua_end_step()
       (like dbstmt_emit()) ? */
    int rc = l_send_back_row(L, stmt, cols);
    lua_pushinteger(L, rc);
    return 1;
}

static int dbtable_insert(Lua lua)
{