1 files changed, 53 insertions, 0 deletions
diff --git a/vendor/github.com/uptrace/bun/schema/util.go b/vendor/github.com/uptrace/bun/schema/util.go
new file mode 100644
index 000000000..6d474e4cc
--- /dev/null
+++ b/vendor/github.com/uptrace/bun/schema/util.go
@@ -0,0 +1,53 @@
+package schema
+
+import "reflect"
+
+func indirectType(t reflect.Type) reflect.Type {
+	if t.Kind() == reflect.Ptr {
+		t = t.Elem()
+	}
+	return t
+}
+
+func fieldByIndex(v reflect.Value, index []int) (_ reflect.Value, ok bool) {
+	if len(index) == 1 {
+		return v.Field(index[0]), true
+	}
+
+	for i, idx := range index {
+		if i > 0 {
+			if v.Kind() == reflect.Ptr {
+				if v.IsNil() {
+					return v, false
+				}
+				v = v.Elem()
+			}
+		}
+		v = v.Field(idx)
+	}
+	return v, true
+}
+
+func fieldByIndexAlloc(v reflect.Value, index []int) reflect.Value {
+	if len(index) == 1 {
+		return v.Field(index[0])
+	}
+
+	for i, idx := range index {
+		if i > 0 {
+			v = indirectNil(v)
+		}
+		v = v.Field(idx)
+	}
+	return v
+}
+
+func indirectNil(v reflect.Value) reflect.Value {
+	if v.Kind() == reflect.Ptr {
+		if v.IsNil() {
+			v.Set(reflect.New(v.Type().Elem()))
+		}
+		v = v.Elem()
+	}
+	return v
+}