added pseudorandom generator

daos/record.go

@@ -530,7 +530,7 @@ func (dao *Dao) SyncRecordTableSchema(newCollection *models.Collection, oldColle
 			// This way we are always doing 1 more rename operation but it provides better dev experience.
 
 			if oldField == nil {
-				tempName := field.Name + security.RandomString(5)
+				tempName := field.Name + security.PseudoRandomString(5)
 				toRename[tempName] = field.Name
 
 				// add
@@ -539,7 +539,7 @@ func (dao *Dao) SyncRecordTableSchema(newCollection *models.Collection, oldColle
 					return err
 				}
 			} else if oldField.Name != field.Name {
-				tempName := field.Name + security.RandomString(5)
+				tempName := field.Name + security.PseudoRandomString(5)
 				toRename[tempName] = field.Name
 
 				// rename

daos/record_expand.go

@@ -129,7 +129,7 @@ func (dao *Dao) expandRecords(records []*models.Record, expandPath string, fetch
 		}
 		// indirect relation
 		relField = &schema.SchemaField{
-			Id:      "indirect_" + security.RandomString(3),
+			Id:      "indirect_" + security.PseudoRandomString(5),
 			Type:    schema.FieldTypeRelation,
 			Name:    parts[0],
 			Options: relFieldOptions,