func TestGeneral(t *testing.T) { sqlite3.Initialize() defer sqlite3.Shutdown() t.Logf("Sqlite3 Version: %s\n", sqlite3.LibVersion()) dbh := new(sqlite3.Handle) err := dbh.Open("test.db") if err != "" { t.Errorf("Open test.db: %s", err) } defer dbh.Close() st, err := dbh.Prepare("CREATE TABLE foo (i INTEGER, s VARCHAR(20));") if err != "" { t.Errorf("Create Table: %s", err) } else { defer st.Finalize() st.Step() } st, err = dbh.Prepare("DROP TABLE foo;") if err != "" { t.Errorf("Drop Table: %s", err) } else { defer st.Finalize() st.Step() } }
func InitTables(dbh *sqlite3.Handle) { st, err := dbh.Prepare("CREATE TABLE IF NOT EXISTS entry (id INTEGER PRIMARY KEY, body VARCHAR(255));") if err != "" { log.Exit(err) } if st.Step() != sqlite3.SQLITE_DONE { log.Exit(dbh.ErrMsg()) } if st.Finalize() != sqlite3.SQLITE_OK { log.Exit(dbh.ErrMsg()) } }
func main() { sqlite3.Initialize() defer sqlite3.Shutdown() fmt.Printf("Sqlite3 Version: %s\n", sqlite3.LibVersion()) dbh := new(sqlite3.Handle) dbh.Open("test.db") defer dbh.Close() st, err := dbh.Prepare("CREATE TABLE foo (i INTEGER, s VARCHAR(20));") if err != "" { println(err) } else { defer st.Finalize() st.Step() } st, err = dbh.Prepare("INSERT INTO foo values (2, 'this is a test')") if err != "" { println(err) } else { st.Step() st.Finalize() } st, err = dbh.Prepare("INSERT INTO foo values (3, 'holy moly')") if err != "" { println(err) } else { st.Step() st.Finalize() } fmt.Printf("%d changes\n", dbh.TotalChanges()) fmt.Printf("last insert id: %d\n", dbh.LastInsertRowID()) st, err = dbh.Prepare("SELECT * from foo limit 5;") if err != "" { println(err) } else { v, c, n := "", 0, "" for { c = st.Step() if c == 101 { break } n, v = st.ColumnText(0), st.ColumnText(1) fmt.Printf("data: %s, %s\n", n, v) } st.Finalize() } }
func main() { sqlite3.Initialize() defer func() { log.Stdout("closing sqlite3") sqlite3.Shutdown() }() dbh := new(sqlite3.Handle) dbh.Open("bbs.db") defer dbh.Close() InitTables(dbh) flag.Parse() templ := func() *template.Template { templateStr, err := io.ReadFile("tmpl/top.tmpl") if err != nil { log.Exit(err) } return template.MustParse(string(templateStr), nil) }() http.Handle("/", http.HandlerFunc(func(c *http.Conn, req *http.Request) { params := new(struct{ msgs []string }) storage := new(vector.StringVector) func() { st, err := dbh.Prepare("SELECT * from entry ORDER BY id DESC limit 30;") func() { if err != "" { log.Exit(err) } for { rv := st.Step() switch { case rv == sqlite3.SQLITE_DONE: return case rv == sqlite3.SQLITE_ROW: body := st.ColumnText(1) storage.Push(body) default: println(rv) log.Exit(dbh.ErrMsg()) } } }() if st.Finalize() != sqlite3.SQLITE_OK { log.Exit(dbh.ErrMsg()) } }() params.msgs = storage.Data() err := templ.Execute(params, c) if err != nil { log.Exit("templ.Execute:", err) } })) http.Handle("/post", http.HandlerFunc(func(c *http.Conn, req *http.Request) { req.ParseForm() body := req.Form["body"][0] st, err := dbh.Prepare("INSERT INTO entry (body) VALUES (?)") if err != "" { log.Exit(err) } if st.BindText(1, body) != sqlite3.SQLITE_OK { log.Exit("cannot bind: ", dbh.ErrMsg()) } if st.Step() != sqlite3.SQLITE_DONE { log.Exit(dbh.ErrMsg()) } if st.Finalize() != sqlite3.SQLITE_OK { log.Exit(dbh.ErrMsg()) } http.Redirect(c, "/", 302) })) http.Handle("/css/", http.HandlerFunc(func(c *http.Conn, req *http.Request) { http.ServeFile(c, req, "."+req.URL.Path) })) // run httpd func() { fmt.Printf("http://%s/\n", *addr) err := http.ListenAndServe(*addr, nil) if err != nil { log.Exit("ListenAndServe:", err) } }() }
func main() { sqlite3.Initialize() defer sqlite3.Shutdown() fmt.Printf("Sqlite3 Version: %s\n", sqlite3.LibVersion()) dbh := new(sqlite3.Handle) dbh.Open("test.db") defer dbh.Close() st, err := dbh.Prepare("DROP TABLE IF EXISTS foo;") if err != "" { println(err) } st.Step() st.Finalize() st, err = dbh.Prepare("CREATE TABLE foo (i INTEGER, s VARCHAR(20));") if err != "" { println(err) } else { defer st.Finalize() st.Step() } st, err = dbh.Prepare("INSERT INTO foo values (2, 'this is a test')") if err != "" { println(err) } else { st.Step() st.Finalize() } st, err = dbh.Prepare("INSERT INTO foo values (?, ?)") if err != "" { println(err) } else { st.BindInt(1, 3) st.BindText(2, "holy moly") st.Step() st.Finalize() } fmt.Printf("%d changes\n", dbh.TotalChanges()) fmt.Printf("last insert id: %d\n", dbh.LastInsertRowID()) st, err = dbh.Prepare("SELECT * from foo limit 5;") if err != "" { println(err) } else { v, c, n := "", 0, "" func() { for { c = st.Step() switch { case c == sqlite3.SQLITE_DONE: return case c == sqlite3.SQLITE_ROW: n, v = st.ColumnText(0), st.ColumnText(1) fmt.Printf("data: %s, %s\n", n, v) default: println(dbh.ErrMsg()) return } } }() st.Finalize() } }