From 3b699fdf3e6cebd6fdb4539438e96b93e59a5bb9 Mon Sep 17 00:00:00 2001
From: Maxim Lanin <maxim.lanin@acronis.com>
Date: Thu, 16 Feb 2017 18:58:35 +0300
Subject: [PATCH] Add AddColumn method

---
 main.go  | 7 +++++++
 scope.go | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/main.go b/main.go
index 9ea10909..dece6bed 100644
--- a/main.go
+++ b/main.go
@@ -552,6 +552,13 @@ func (s *DB) AutoMigrate(values ...interface{}) *DB {
 	return db
 }
 
+// AddColumn add column with type
+func (s *DB) AddColumn(column string, typ string) *DB {
+	scope := s.clone().NewScope(s.Value)
+	scope.addColumn(column, typ)
+	return scope.db
+}
+
 // ModifyColumn modify column to type
 func (s *DB) ModifyColumn(column string, typ string) *DB {
 	scope := s.clone().NewScope(s.Value)
diff --git a/scope.go b/scope.go
index 45f7185f..ea6c692e 100644
--- a/scope.go
+++ b/scope.go
@@ -1124,6 +1124,10 @@ func (scope *Scope) dropTable() *Scope {
 	return scope
 }
 
+func (scope *Scope) addColumn(column string, typ string) {
+	scope.Raw(fmt.Sprintf("ALTER TABLE %v ADD %v %v", scope.QuotedTableName(), scope.Quote(column), typ)).Exec()
+}
+
 func (scope *Scope) modifyColumn(column string, typ string) {
 	scope.Raw(fmt.Sprintf("ALTER TABLE %v MODIFY %v %v", scope.QuotedTableName(), scope.Quote(column), typ)).Exec()
 }