Pablu/go-sqlite3
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Support time values with nanosecond precision

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This commit is contained in:
Micah Stetson
2012-12-29 16:36:29 -08:00
parent f65db67ea3
commit ce139f706b
2 changed files with 16 additions and 15 deletions
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27
sqlite3.go
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@@ -40,9 +40,15 @@ import (
"unsafe"
)
const SQLiteTimestampFormat = "2006-01-02 15:04:05"
const SQLiteDateFormat = "2006-01-02"
const SQLiteDatetimeFormat = "2006-01-02 15:04:05.000"
// Timestamp formats understood by both this module and SQLite.
// The first format in the slice will be used when saving time values
// into the database. When parsing a string from a timestamp or
// datetime column, the formats are tried in order.
var SQLiteTimestampFormats = []string{
"2006-01-02 15:04:05.999999999",
"2006-01-02 15:04:05",
"2006-01-02",
}
func init() {
sql.Register("sqlite3", &SQLiteDriver{})
@@ -213,7 +219,7 @@ func (s *SQLiteStmt) bind(args []driver.Value) error {
}
rv = C._sqlite3_bind_blob(s.s, n, unsafe.Pointer(p), C.int(len(v)))
case time.Time:
b := []byte(v.UTC().Format(SQLiteTimestampFormat))
b := []byte(v.UTC().Format(SQLiteTimestampFormats[0]))
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
}
if rv != C.SQLITE_OK {
@@ -327,19 +333,14 @@ func (rc *SQLiteRows) Next(dest []driver.Value) error {
switch rc.decltype[i] {
case "timestamp", "datetime":
for {
if dest[i], err = time.Parse(SQLiteTimestampFormat, s); err == nil {
break
}
if dest[i], err = time.Parse(SQLiteDateFormat, s); err == nil {
break
}
if dest[i], err = time.Parse(SQLiteDatetimeFormat, s); err == nil {
for _, format := range SQLiteTimestampFormats {
if dest[i], err = time.Parse(format, s); err == nil {
break
}
}
if err != nil {
// The column is a time value, so return the zero time on parse failure.
dest[i] = time.Time{}
break
}
default:
dest[i] = s