database/sql: add missing []byte and RawBytes conversions
E.g conversions from numeric types to RawBytes are missing, what makes RawBytes unusable in some cases.
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7783046
diff --git a/src/pkg/database/sql/convert.go b/src/pkg/database/sql/convert.go
index a12d564..5530a5d 100644
--- a/src/pkg/database/sql/convert.go
+++ b/src/pkg/database/sql/convert.go
@@ -122,6 +122,12 @@
}
*d = s
return nil
+ case *RawBytes:
+ if d == nil {
+ return errNilPtr
+ }
+ *d = s
+ return nil
}
case nil:
switch d := dest.(type) {
@@ -131,6 +137,12 @@
}
*d = nil
return nil
+ case *RawBytes:
+ if d == nil {
+ return errNilPtr
+ }
+ *d = nil
+ return nil
}
}
@@ -147,6 +159,26 @@
*d = fmt.Sprintf("%v", src)
return nil
}
+ case *[]byte:
+ sv = reflect.ValueOf(src)
+ switch sv.Kind() {
+ case reflect.Bool,
+ reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+ reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
+ reflect.Float32, reflect.Float64:
+ *d = []byte(fmt.Sprintf("%v", src))
+ return nil
+ }
+ case *RawBytes:
+ sv = reflect.ValueOf(src)
+ switch sv.Kind() {
+ case reflect.Bool,
+ reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+ reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
+ reflect.Float32, reflect.Float64:
+ *d = RawBytes(fmt.Sprintf("%v", src))
+ return nil
+ }
case *bool:
bv, err := driver.Bool.ConvertValue(src)
if err == nil {
diff --git a/src/pkg/database/sql/convert_test.go b/src/pkg/database/sql/convert_test.go
index 9c362d7..6aedeb0 100644
--- a/src/pkg/database/sql/convert_test.go
+++ b/src/pkg/database/sql/convert_test.go
@@ -22,6 +22,8 @@
wantint int64
wantuint uint64
wantstr string
+ wantbytes []byte
+ wantraw RawBytes
wantf32 float32
wantf64 float64
wanttime time.Time
@@ -35,6 +37,8 @@
// Target variables for scanning into.
var (
scanstr string
+ scanbytes []byte
+ scanraw RawBytes
scanint int
scanint8 int8
scanint16 int16
@@ -56,6 +60,7 @@
{s: someTime, d: &scantime, wanttime: someTime},
// To strings
+ {s: "string", d: &scanstr, wantstr: "string"},
{s: []byte("byteslice"), d: &scanstr, wantstr: "byteslice"},
{s: 123, d: &scanstr, wantstr: "123"},
{s: int8(123), d: &scanstr, wantstr: "123"},
@@ -66,6 +71,31 @@
{s: uint64(123), d: &scanstr, wantstr: "123"},
{s: 1.5, d: &scanstr, wantstr: "1.5"},
+ // To []byte
+ {s: nil, d: &scanbytes, wantbytes: nil},
+ {s: "string", d: &scanbytes, wantbytes: []byte("string")},
+ {s: []byte("byteslice"), d: &scanbytes, wantbytes: []byte("byteslice")},
+ {s: 123, d: &scanbytes, wantbytes: []byte("123")},
+ {s: int8(123), d: &scanbytes, wantbytes: []byte("123")},
+ {s: int64(123), d: &scanbytes, wantbytes: []byte("123")},
+ {s: uint8(123), d: &scanbytes, wantbytes: []byte("123")},
+ {s: uint16(123), d: &scanbytes, wantbytes: []byte("123")},
+ {s: uint32(123), d: &scanbytes, wantbytes: []byte("123")},
+ {s: uint64(123), d: &scanbytes, wantbytes: []byte("123")},
+ {s: 1.5, d: &scanbytes, wantbytes: []byte("1.5")},
+
+ // To RawBytes
+ {s: nil, d: &scanraw, wantraw: nil},
+ {s: []byte("byteslice"), d: &scanraw, wantraw: RawBytes("byteslice")},
+ {s: 123, d: &scanraw, wantraw: RawBytes("123")},
+ {s: int8(123), d: &scanraw, wantraw: RawBytes("123")},
+ {s: int64(123), d: &scanraw, wantraw: RawBytes("123")},
+ {s: uint8(123), d: &scanraw, wantraw: RawBytes("123")},
+ {s: uint16(123), d: &scanraw, wantraw: RawBytes("123")},
+ {s: uint32(123), d: &scanraw, wantraw: RawBytes("123")},
+ {s: uint64(123), d: &scanraw, wantraw: RawBytes("123")},
+ {s: 1.5, d: &scanraw, wantraw: RawBytes("1.5")},
+
// Strings to integers
{s: "255", d: &scanuint8, wantuint: 255},
{s: "256", d: &scanuint8, wanterr: `converting string "256" to a uint8: strconv.ParseUint: parsing "256": value out of range`},