From 226c00b4a8d7ac856a951e29fa6b6777c0765194 Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Mon, 15 Feb 2016 17:00:28 +0800
Subject: [PATCH] Fix LimitAndOffset for Update

---
 dialect_common.go | 12 +++++++-----
 dialect_mssql.go  | 18 ++++++++----------
 2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/dialect_common.go b/dialect_common.go
index 333b0b45..a1c8ff5c 100644
--- a/dialect_common.go
+++ b/dialect_common.go
@@ -109,11 +109,13 @@ func (s commonDialect) currentDatabase() (name string) {
 }
 
 func (commonDialect) LimitAndOffsetSQL(limit, offset int) (sql string) {
-	if limit >= 0 {
-		sql += fmt.Sprintf(" LIMIT %d", limit)
-	}
-	if offset >= 0 {
-		sql += fmt.Sprintf(" OFFSET %d", offset)
+	if limit > 0 || offset > 0 {
+		if limit >= 0 {
+			sql += fmt.Sprintf(" LIMIT %d", limit)
+		}
+		if offset >= 0 {
+			sql += fmt.Sprintf(" OFFSET %d", offset)
+		}
 	}
 	return
 }
diff --git a/dialect_mssql.go b/dialect_mssql.go
index 63b46e9e..2ecc27cc 100644
--- a/dialect_mssql.go
+++ b/dialect_mssql.go
@@ -96,18 +96,16 @@ func (s mssql) currentDatabase() (name string) {
 }
 
 func (mssql) LimitAndOffsetSQL(limit, offset int) (sql string) {
-	if limit < 0 && offset < 0 {
-		return
-	}
+	if limit > 0 || offset > 0 {
+		if offset < 0 {
+			offset = 0
+		}
 
-	if offset < 0 {
-		offset = 0
-	}
+		sql += fmt.Sprintf(" OFFSET %d ROWS", offset)
 
-	sql += fmt.Sprintf(" OFFSET %d ROWS", offset)
-
-	if limit >= 0 {
-		sql += fmt.Sprintf(" FETCH NEXT %d ROWS ONLY", limit)
+		if limit >= 0 {
+			sql += fmt.Sprintf(" FETCH NEXT %d ROWS ONLY", limit)
+		}
 	}
 	return
 }