update xorm vendor and also fix #740 (#886)

vendor/github.com/go-xorm/core/column.go

@@ -32,7 +32,6 @@ type Column struct {
 	IsDeleted       bool
 	IsCascade       bool
 	IsVersion       bool
-	fieldPath       []string
 	DefaultIsEmpty  bool
 	EnumOptions     map[string]int
 	SetOptions      map[string]int
@@ -59,7 +58,6 @@ func NewColumn(name, fieldName string, sqlType SQLType, len1, len2 int, nullable
 		IsDeleted:       false,
 		IsCascade:       false,
 		IsVersion:       false,
-		fieldPath:       nil,
 		DefaultIsEmpty:  false,
 		EnumOptions:     make(map[string]int),
 	}
@@ -121,12 +119,10 @@ func (col *Column) ValueOf(bean interface{}) (*reflect.Value, error) {
 
 func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error) {
 	var fieldValue reflect.Value
-	if col.fieldPath == nil {
-		col.fieldPath = strings.Split(col.FieldName, ".")
-	}
+	fieldPath := strings.Split(col.FieldName, ".")
 
 	if dataStruct.Type().Kind() == reflect.Map {
-		keyValue := reflect.ValueOf(col.fieldPath[len(col.fieldPath)-1])
+		keyValue := reflect.ValueOf(fieldPath[len(fieldPath)-1])
 		fieldValue = dataStruct.MapIndex(keyValue)
 		return &fieldValue, nil
 	} else if dataStruct.Type().Kind() == reflect.Interface {
@@ -134,19 +130,19 @@ func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error) {
 		dataStruct = &structValue
 	}
 
-	level := len(col.fieldPath)
-	fieldValue = dataStruct.FieldByName(col.fieldPath[0])
+	level := len(fieldPath)
+	fieldValue = dataStruct.FieldByName(fieldPath[0])
 	for i := 0; i < level-1; i++ {
 		if !fieldValue.IsValid() {
 			break
 		}
 		if fieldValue.Kind() == reflect.Struct {
-			fieldValue = fieldValue.FieldByName(col.fieldPath[i+1])
+			fieldValue = fieldValue.FieldByName(fieldPath[i+1])
 		} else if fieldValue.Kind() == reflect.Ptr {
 			if fieldValue.IsNil() {
 				fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
 			}
-			fieldValue = fieldValue.Elem().FieldByName(col.fieldPath[i+1])
+			fieldValue = fieldValue.Elem().FieldByName(fieldPath[i+1])
 		} else {
 			return nil, fmt.Errorf("field  %v is not valid", col.FieldName)
 		}

vendor/github.com/go-xorm/xorm/engine.go

@@ -521,6 +521,14 @@ func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 				return err
 			}
 		}
+
+		// FIXME: Hack for postgres
+		if string(dialect.DBType()) == core.POSTGRES && table.AutoIncrColumn() != nil {
+			_, err = io.WriteString(w, "SELECT setval('table_id_seq', COALESCE((SELECT MAX("+table.AutoIncrColumn().Name+") FROM "+dialect.Quote(table.Name)+"), 1), false);\n")
+			if err != nil {
+				return err
+			}
+		}
 	}
 	return nil
 }

vendor/vendor.json

@@ -443,10 +443,10 @@
 			"revisionTime": "2016-12-14T02:05:24Z"
 		},
 		{
-			"checksumSHA1": "T1DSQqU9e7oW0up0W55TkG4Cb7M=",
+			"checksumSHA1": "OCcksAYN5m0kc5yJF/Ba4VVHqeA=",
 			"path": "github.com/go-xorm/core",
-			"revision": "60b1704516c3af6ff969d81f359cf310ad43a2e0",
-			"revisionTime": "2017-01-03T06:17:17Z"
+			"revision": "e9e84b6f94ace6dec682a39034de56abffb964dd",
+			"revisionTime": "2017-02-06T14:57:10Z"
 		},
 		{
 			"checksumSHA1": "k52lEKLp8j5M+jFpe+3u+bIFpxQ=",
@@ -455,10 +455,10 @@
 			"revisionTime": "2016-08-11T02:11:45Z"
 		},
 		{
-			"checksumSHA1": "pbmrxOvDzdm40iRgnsS25Ig+33o=",
+			"checksumSHA1": "BGWfs63vC5cJuxhVRrj+7YJKz7A=",
 			"path": "github.com/go-xorm/xorm",
-			"revision": "445a934d32ed0934aedf0ef99b4b7c69b22f8e58",
-			"revisionTime": "2017-01-25T11:54:21Z"
+			"revision": "19f6dfc2e8c069adc624ca56cf8127444159d5c1",
+			"revisionTime": "2017-02-10T01:55:37Z"
 		},
 		{
 			"checksumSHA1": "1ft/4j5MFa7C9dPI9whL03HSUzk=",