From 5ad93061467d598e662ece88c4f811ff0040b47b Mon Sep 17 00:00:00 2001
From: Shirou WAKAYAMA <shirou.faw@gmail.com>
Date: Tue, 5 Aug 2014 23:14:40 +0900
Subject: [PATCH 1/2] Add DropTableIfExists.

---
 main.go          | 4 ++++
 scope_private.go | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/main.go b/main.go
index a13bf6f2..abea9263 100644
--- a/main.go
+++ b/main.go
@@ -340,6 +340,10 @@ func (s *DB) DropTable(value interface{}) *DB {
 	return s.clone().NewScope(value).dropTable().db
 }
 
+func (s *DB) DropTableIfExists(value interface{}) *DB {
+	return s.clone().NewScope(value).dropTableIfExists().db
+}
+
 func (s *DB) AutoMigrate(value interface{}) *DB {
 	return s.clone().NewScope(value).autoMigrate().db
 }
diff --git a/scope_private.go b/scope_private.go
index ca6b7eb5..4f25532a 100644
--- a/scope_private.go
+++ b/scope_private.go
@@ -495,6 +495,11 @@ func (scope *Scope) dropTable() *Scope {
 	return scope
 }
 
+func (scope *Scope) dropTableIfExists() *Scope {
+	scope.Raw(fmt.Sprintf("DROP TABLE IF EXISTS %v", scope.QuotedTableName())).Exec()
+	return scope
+}
+
 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()
 }

From b4fc3d97536b0d40f94806b14bd1569b0f6affe5 Mon Sep 17 00:00:00 2001
From: Shirou WAKAYAMA <shirou.faw@gmail.com>
Date: Tue, 5 Aug 2014 23:16:22 +0900
Subject: [PATCH 2/2] add document about DropTableIfExists.

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index fdb86396..11ced96f 100644
--- a/README.md
+++ b/README.md
@@ -124,6 +124,9 @@ db.CreateTable(User{})
 // Drop table
 db.DropTable(User{})
 
+// Drop table if exists
+db.DropTableIfExists(User{})
+
 // Automating Migration
 db.AutoMigrate(User{})