mirror of https://github.com/mattn/go-sqlite3.git
Merge pull request #36 from mstetson/timestamp-fixes
A few more timestamp fixes
This commit is contained in:
mattn
commit
b8adf7d8c1
31
sqlite3.go
31
sqlite3.go
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@ -40,9 +40,19 @@ import (
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"unsafe"
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)
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const SQLiteTimestampFormat = "2006-01-02 15:04:05"
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const SQLiteDateFormat = "2006-01-02"
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const SQLiteDatetimeFormat = "2006-01-02 15:04:05.000"
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// Timestamp formats understood by both this module and SQLite.
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// The first format in the slice will be used when saving time values
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// into the database. When parsing a string from a timestamp or
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// datetime column, the formats are tried in order.
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var SQLiteTimestampFormats = []string{
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"2006-01-02 15:04:05.999999999",
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"2006-01-02T15:04:05.999999999",
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"2006-01-02 15:04:05",
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"2006-01-02T15:04:05",
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"2006-01-02 15:04",
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"2006-01-02T15:04",
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"2006-01-02",
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}
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func init() {
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sql.Register("sqlite3", &SQLiteDriver{})
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@ -213,7 +223,7 @@ func (s *SQLiteStmt) bind(args []driver.Value) error {
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}
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rv = C._sqlite3_bind_blob(s.s, n, unsafe.Pointer(p), C.int(len(v)))
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case time.Time:
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b := []byte(v.UTC().Format(SQLiteTimestampFormat))
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b := []byte(v.UTC().Format(SQLiteTimestampFormats[0]))
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rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
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}
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if rv != C.SQLITE_OK {
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@ -327,19 +337,14 @@ func (rc *SQLiteRows) Next(dest []driver.Value) error {
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switch rc.decltype[i] {
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case "timestamp", "datetime":
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for {
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if dest[i], err = time.Parse(SQLiteTimestampFormat, s); err == nil {
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break
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}
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if dest[i], err = time.Parse(SQLiteDateFormat, s); err == nil {
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break
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}
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if dest[i], err = time.Parse(SQLiteDatetimeFormat, s); err == nil {
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for _, format := range SQLiteTimestampFormats {
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if dest[i], err = time.Parse(format, s); err == nil {
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break
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}
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}
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if err != nil {
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// The column is a time value, so return the zero time on parse failure.
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dest[i] = time.Time{}
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break
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}
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default:
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dest[i] = s
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223
sqlite3_test.go
223
sqlite3_test.go
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@ -245,35 +245,46 @@ func TestTimestamp(t *testing.T) {
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defer db.Close()
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_, err = db.Exec("DROP TABLE foo")
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_, err = db.Exec("CREATE TABLE foo(id INTEGER, ts timeSTAMP)")
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_, err = db.Exec("CREATE TABLE foo(id INTEGER, ts timeSTAMP, dt DATETIME)")
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if err != nil {
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t.Fatal("Failed to create table:", err)
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}
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timestamp1 := time.Date(2012, time.April, 6, 22, 50, 0, 0, time.UTC)
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_, err = db.Exec("INSERT INTO foo(id, ts) VALUES(1, ?)", timestamp1)
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if err != nil {
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t.Fatal("Failed to insert timestamp:", err)
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timestamp2 := time.Date(2006, time.January, 2, 15, 4, 5, 123456789, time.UTC)
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timestamp3 := time.Date(2012, time.November, 4, 0, 0, 0, 0, time.UTC)
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tests := []struct {
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value interface{}
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expected time.Time
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}{
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{"nonsense", time.Time{}},
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{"0000-00-00 00:00:00", time.Time{}},
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{timestamp1, timestamp1},
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{timestamp1.Unix(), timestamp1},
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{timestamp1.In(time.FixedZone("TEST", -7*3600)), timestamp1},
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{timestamp1.Format("2006-01-02 15:04:05.000"), timestamp1},
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{timestamp1.Format("2006-01-02T15:04:05.000"), timestamp1},
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{timestamp1.Format("2006-01-02 15:04:05"), timestamp1},
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{timestamp1.Format("2006-01-02T15:04:05"), timestamp1},
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{timestamp2, timestamp2},
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{"2006-01-02 15:04:05.123456789", timestamp2},
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{"2006-01-02T15:04:05.123456789", timestamp2},
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{"2012-11-04", timestamp3},
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{"2012-11-04 00:00", timestamp3},
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{"2012-11-04 00:00:00", timestamp3},
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{"2012-11-04 00:00:00.000", timestamp3},
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{"2012-11-04T00:00", timestamp3},
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{"2012-11-04T00:00:00", timestamp3},
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{"2012-11-04T00:00:00.000", timestamp3},
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}
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for i := range tests {
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_, err = db.Exec("INSERT INTO foo(id, ts, dt) VALUES(?, ?, ?)", i, tests[i].value, tests[i].value)
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if err != nil {
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t.Fatal("Failed to insert timestamp:", err)
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}
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}
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timestamp2 := time.Date(2012, time.April, 6, 23, 22, 0, 0, time.UTC)
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_, err = db.Exec("INSERT INTO foo(id, ts) VALUES(2, ?)", timestamp2.Unix())
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if err != nil {
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t.Fatal("Failed to insert timestamp:", err)
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}
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_, err = db.Exec("INSERT INTO foo(id, ts) VALUES(3, ?)", "nonsense")
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if err != nil {
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t.Fatal("Failed to insert nonsense:", err)
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}
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timestamp4 := time.Date(2012, time.April, 6, 23, 22, 0, 0, time.FixedZone("TEST", -7*3600))
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_, err = db.Exec("INSERT INTO foo(id, ts) VALUES(4, ?)", timestamp4)
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if err != nil {
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t.Fatal("Failed to insert timestamp:", err)
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}
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rows, err := db.Query("SELECT id, ts FROM foo ORDER BY id ASC")
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rows, err := db.Query("SELECT id, ts, dt FROM foo ORDER BY id ASC")
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if err != nil {
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t.Fatal("Unable to query foo table:", err)
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}
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@ -282,44 +293,27 @@ func TestTimestamp(t *testing.T) {
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seen := 0
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for rows.Next() {
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var id int
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var ts time.Time
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var ts, dt time.Time
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if err := rows.Scan(&id, &ts); err != nil {
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if err := rows.Scan(&id, &ts, &dt); err != nil {
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t.Error("Unable to scan results:", err)
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continue
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}
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if id == 1 {
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seen += 1
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if !timestamp1.Equal(ts) {
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t.Errorf("Value for id 1 should be %v, not %v", timestamp1, ts)
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}
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if id < 0 || id >= len(tests) {
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t.Error("Bad row id: ", id)
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continue
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}
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if id == 2 {
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seen += 1
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if !timestamp2.Equal(ts) {
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t.Errorf("Value for id 2 should be %v, not %v", timestamp2, ts)
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}
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seen++
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if !tests[id].expected.Equal(ts) {
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t.Errorf("Timestamp value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt)
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}
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if id == 3 {
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seen += 1
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if !ts.IsZero() {
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t.Errorf("Value for id 3 should be the zero time, not %v", ts)
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}
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}
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if id == 4 {
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seen += 1
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if !timestamp4.Equal(ts) {
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t.Errorf("Value for id 4 should be %v, not %v", timestamp4, ts)
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}
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if !tests[id].expected.Equal(dt) {
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t.Errorf("Datetime value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt)
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}
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}
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if seen != 4 {
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t.Error("Expected to see four timestamps")
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if seen != len(tests) {
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t.Errorf("Expected to see %d rows", len(tests))
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}
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}
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@ -414,130 +408,3 @@ func TestBoolean(t *testing.T) {
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}
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}
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func TestDateOnlyTimestamp(t *testing.T) {
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// make sure that timestamps without times are extractable. these are generated when
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// e.g., you use the sqlite `DATE()` built-in.
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db, er := sql.Open("sqlite3", "db.sqlite")
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if er != nil {
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t.Fatal(er)
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}
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defer func() {
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db.Close()
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os.Remove("db.sqlite")
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}()
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_, er = db.Exec(`
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CREATE TABLE test
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( entry_id INTEGER PRIMARY KEY AUTOINCREMENT
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, entry_published TIMESTAMP NOT NULL
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)
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`)
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if er != nil {
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t.Fatal(er)
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}
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_, er = db.Exec(`
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INSERT INTO test VALUES ( 1, '2012-11-04')
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`)
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if er != nil {
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t.Fatal(er)
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}
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rows, er := db.Query("SELECT entry_id, entry_published FROM test")
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if er != nil {
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t.Fatal(er)
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}
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defer rows.Close()
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if !rows.Next() {
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if er := rows.Err(); er != nil {
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t.Fatal(er)
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} else {
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t.Fatalf("Unable to extract row containing date-only timestamp")
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}
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}
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var entryId int64
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var entryPublished time.Time
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if er := rows.Scan(&entryId, &entryPublished); er != nil {
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t.Fatal(er)
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}
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if entryId != 1 {
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t.Errorf("EntryId does not match inserted value")
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}
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if entryPublished.Year() != 2012 || entryPublished.Month() != 11 || entryPublished.Day() != 4 {
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t.Errorf("Extracted time does not match inserted value")
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}
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}
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func TestDatetime(t *testing.T) {
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db, err := sql.Open("sqlite3", "./datetime.db")
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if err != nil {
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t.Fatal("Failed to open database:", err)
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}
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defer func() {
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db.Close()
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os.Remove("./datetime.db")
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}()
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_, err = db.Exec("DROP TABLE datetimetest")
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_, err = db.Exec(`
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CREATE TABLE datetimetest
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( entry_id INTEGER
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, my_datetime DATETIME
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)
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`)
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if err != nil {
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t.Fatal("Failed to create table:", err)
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}
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datetime := "2006-01-02 15:04:05.003"
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_, err = db.Exec(`
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INSERT INTO datetimetest(entry_id, my_datetime)
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VALUES(1, ?)`, datetime)
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if err != nil {
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t.Fatal("Failed to insert datetime:", err)
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}
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rows, err := db.Query(
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"SELECT entry_id, my_datetime FROM datetimetest ORDER BY entry_id ASC")
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if err != nil {
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t.Fatal("Unable to query datetimetest table:", err)
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}
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defer rows.Close()
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if !rows.Next() {
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if er := rows.Err(); er != nil {
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t.Fatal(er)
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} else {
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t.Fatalf("Unable to extract row containing datetime")
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}
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}
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var entryId int
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var myDatetime time.Time
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if err := rows.Scan(&entryId, &myDatetime); err != nil {
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t.Error("Unable to scan results:", err)
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}
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if entryId != 1 {
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t.Errorf("EntryId does not match inserted value")
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}
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if myDatetime.Year() != 2006 ||
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myDatetime.Month() != 1 ||
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myDatetime.Day() != 2 ||
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myDatetime.Hour() != 15 ||
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myDatetime.Minute() != 4 ||
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myDatetime.Second() != 5 ||
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myDatetime.Nanosecond() != 3000000 {
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t.Errorf("Extracted time does not match inserted value")
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}
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}
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