Merge pull request #222 from zhangyongding/fix-oralce-limit

fix oracle limit bug

Author: huandu

select.go

@@ -580,7 +580,6 @@ func (sb *SelectBuilder) BuildWithFlavor(flavor Flavor, initialArg ...interface{
 				} else {
 					buf.WriteString("1 AND ")
 					buf.WriteString(sb.limitVar)
-					buf.WriteString(" + 1")
 				}
 			} else {
 				// As oraclePage is true, sb.offsetVar must not be empty.

select_test.go

@@ -263,7 +263,7 @@ func ExampleSelectBuilder_limit_offset() {
 	// #1: SELECT * FROM user
 	// #2: SELECT * FROM (SELECT ROWNUM r, * FROM (SELECT * FROM user) user) WHERE r >= :1 + 1
 	// #3: SELECT * FROM (SELECT ROWNUM r, * FROM (SELECT * FROM user) user) WHERE r BETWEEN :1 + 1 AND :2 + :3
-	// #4: SELECT * FROM (SELECT ROWNUM r, * FROM (SELECT * FROM user) user) WHERE r BETWEEN 1 AND :1 + 1
+	// #4: SELECT * FROM (SELECT ROWNUM r, * FROM (SELECT * FROM user) user) WHERE r BETWEEN 1 AND :1
 	// #5: SELECT * FROM (SELECT ROWNUM r, * FROM (SELECT * FROM user ORDER BY id) user) WHERE r BETWEEN :1 + 1 AND :2 + :3
 	//
 	// Informix