diff options
Diffstat (limited to 'libgo/go/database/sql/convert.go')
-rw-r--r-- | libgo/go/database/sql/convert.go | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/libgo/go/database/sql/convert.go b/libgo/go/database/sql/convert.go index c0b38a2..740fd9d 100644 --- a/libgo/go/database/sql/convert.go +++ b/libgo/go/database/sql/convert.go @@ -12,6 +12,7 @@ import ( "fmt" "reflect" "strconv" + "time" ) var errNilPtr = errors.New("destination pointer is nil") // embedded in descriptive error @@ -127,6 +128,18 @@ func convertAssign(dest, src interface{}) error { *d = s return nil } + case time.Time: + switch d := dest.(type) { + case *string: + *d = s.Format(time.RFC3339Nano) + return nil + case *[]byte: + if d == nil { + return errNilPtr + } + *d = []byte(s.Format(time.RFC3339Nano)) + return nil + } case nil: switch d := dest.(type) { case *interface{}: @@ -203,11 +216,16 @@ func convertAssign(dest, src interface{}) error { } dv := reflect.Indirect(dpv) - if dv.Kind() == sv.Kind() { + if sv.IsValid() && sv.Type().AssignableTo(dv.Type()) { dv.Set(sv) return nil } + if dv.Kind() == sv.Kind() && sv.Type().ConvertibleTo(dv.Type()) { + dv.Set(sv.Convert(dv.Type())) + return nil + } + switch dv.Kind() { case reflect.Ptr: if src == nil { @@ -221,7 +239,8 @@ func convertAssign(dest, src interface{}) error { s := asString(src) i64, err := strconv.ParseInt(s, 10, dv.Type().Bits()) if err != nil { - return fmt.Errorf("converting string %q to a %s: %v", s, dv.Kind(), err) + err = strconvErr(err) + return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err) } dv.SetInt(i64) return nil @@ -229,7 +248,8 @@ func convertAssign(dest, src interface{}) error { s := asString(src) u64, err := strconv.ParseUint(s, 10, dv.Type().Bits()) if err != nil { - return fmt.Errorf("converting string %q to a %s: %v", s, dv.Kind(), err) + err = strconvErr(err) + return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err) } dv.SetUint(u64) return nil @@ -237,13 +257,21 @@ func convertAssign(dest, src interface{}) error { s := asString(src) f64, err := strconv.ParseFloat(s, dv.Type().Bits()) if err != nil { - return fmt.Errorf("converting string %q to a %s: %v", s, dv.Kind(), err) + err = strconvErr(err) + return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err) } dv.SetFloat(f64) return nil } - return fmt.Errorf("unsupported driver -> Scan pair: %T -> %T", src, dest) + return fmt.Errorf("unsupported Scan, storing driver.Value type %T into type %T", src, dest) +} + +func strconvErr(err error) error { + if ne, ok := err.(*strconv.NumError); ok { + return ne.Err + } + return err } func cloneBytes(b []byte) []byte { |