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Add fast path for ValueOf, ReflectValueOf

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This commit is contained in:
Jinzhu 2022-02-27 22:10:17 +08:00
parent 4d14ac39ff
commit 530b0a12b4
2 changed files with 44 additions and 27 deletions
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16
schema/field.go
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@ -465,6 +465,14 @@ func (field *Field) setupValuerAndSetter() {
}
// ValueOf returns field's value and if it is zero
fieldIndex := field.StructField.Index[0]
switch {
case len(field.StructField.Index) == 1 && fieldIndex > 0:
field.ValueOf = func(ctx context.Context, value reflect.Value) (interface{}, bool) {
fieldValue := reflect.Indirect(value).Field(fieldIndex)
return fieldValue.Interface(), fieldValue.IsZero()
}
default:
field.ValueOf = func(ctx context.Context, v reflect.Value) (interface{}, bool) {
v = reflect.Indirect(v)
for _, fieldIdx := range field.StructField.Index {
@ -484,6 +492,7 @@ func (field *Field) setupValuerAndSetter() {
fv, zero := v.Interface(), v.IsZero()
return fv, zero
}
}
if field.Serializer != nil {
oldValuerOf := field.ValueOf
@ -509,6 +518,12 @@ func (field *Field) setupValuerAndSetter() {
}
// ReflectValueOf returns field's reflect value
switch {
case len(field.StructField.Index) == 1 && fieldIndex > 0:
field.ReflectValueOf = func(ctx context.Context, value reflect.Value) reflect.Value {
return reflect.Indirect(value).Field(fieldIndex)
}
default:
field.ReflectValueOf = func(ctx context.Context, v reflect.Value) reflect.Value {
v = reflect.Indirect(v)
for idx, fieldIdx := range field.StructField.Index {
@ -528,6 +543,7 @@ func (field *Field) setupValuerAndSetter() {
}
return v
}
}
fallbackSetter := func(ctx context.Context, value reflect.Value, v interface{}, setter func(context.Context, reflect.Value, interface{}) error) (err error) {
if v == nil {

1
tests/go.mod
View File

@ -3,6 +3,7 @@ module gorm.io/gorm/tests
go 1.14
require (
github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
github.com/google/uuid v1.3.0
github.com/jackc/pgx/v4 v4.15.0 // indirect
github.com/jinzhu/now v1.1.4