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authorMichael Stapelberg <stapelberg@debian.org>2014-06-19 09:22:53 +0200
committerMichael Stapelberg <stapelberg@debian.org>2014-06-19 09:22:53 +0200
commit8a39ee361feb9bf46d728ff1ba4f07ca1d9610b1 (patch)
tree4449f2036cccf162e8417cc5841a35815b3e7ac5 /src/pkg/database/sql/convert.go
parentc8bf49ef8a92e2337b69c14b9b88396efe498600 (diff)
downloadgolang-upstream/1.3.tar.gz
Imported Upstream version 1.3upstream/1.3
Diffstat (limited to 'src/pkg/database/sql/convert.go')
-rw-r--r--src/pkg/database/sql/convert.go50
1 files changed, 37 insertions, 13 deletions
diff --git a/src/pkg/database/sql/convert.go b/src/pkg/database/sql/convert.go
index c04adde1f..c0b38a249 100644
--- a/src/pkg/database/sql/convert.go
+++ b/src/pkg/database/sql/convert.go
@@ -160,27 +160,19 @@ func convertAssign(dest, src interface{}) error {
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 = fmt.Sprintf("%v", src)
+ *d = asString(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))
+ if b, ok := asBytes(nil, sv); ok {
+ *d = b
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))
+ if b, ok := asBytes([]byte(*d)[:0], sv); ok {
+ *d = RawBytes(b)
return nil
}
case *bool:
@@ -271,5 +263,37 @@ func asString(src interface{}) string {
case []byte:
return string(v)
}
+ rv := reflect.ValueOf(src)
+ switch rv.Kind() {
+ case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+ return strconv.FormatInt(rv.Int(), 10)
+ case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+ return strconv.FormatUint(rv.Uint(), 10)
+ case reflect.Float64:
+ return strconv.FormatFloat(rv.Float(), 'g', -1, 64)
+ case reflect.Float32:
+ return strconv.FormatFloat(rv.Float(), 'g', -1, 32)
+ case reflect.Bool:
+ return strconv.FormatBool(rv.Bool())
+ }
return fmt.Sprintf("%v", src)
}
+
+func asBytes(buf []byte, rv reflect.Value) (b []byte, ok bool) {
+ switch rv.Kind() {
+ case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+ return strconv.AppendInt(buf, rv.Int(), 10), true
+ case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+ return strconv.AppendUint(buf, rv.Uint(), 10), true
+ case reflect.Float32:
+ return strconv.AppendFloat(buf, rv.Float(), 'g', -1, 32), true
+ case reflect.Float64:
+ return strconv.AppendFloat(buf, rv.Float(), 'g', -1, 64), true
+ case reflect.Bool:
+ return strconv.AppendBool(buf, rv.Bool()), true
+ case reflect.String:
+ s := rv.String()
+ return append(buf, s...), true
+ }
+ return
+}