From d6fd283f68072691e18bcb51173cd4386deb1e2f Mon Sep 17 00:00:00 2001
From: maxilozoz <2802146520@qq.com>
Date: Mon, 19 Oct 2020 19:47:17 +0800
Subject: [PATCH] dialect/sql: add support for selector in the notIn predicate
 (#861)

* `notIn` support Selector like `in`

* `notIn` args check
---
 dialect/sql/builder.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/dialect/sql/builder.go b/dialect/sql/builder.go
index 4ae0570ab..88c57a937 100644
--- a/dialect/sql/builder.go
+++ b/dialect/sql/builder.go
@@ -1054,10 +1054,17 @@ func NotIn(col string, args ...interface{}) *Predicate {
 
 // NotIn appends the `Not IN` predicate.
 func (p *Predicate) NotIn(col string, args ...interface{}) *Predicate {
+	if len(args) == 0 {
+		return p
+	}
 	return p.Append(func(b *Builder) {
 		b.Ident(col).WriteOp(OpNotIn)
 		b.Nested(func(b *Builder) {
-			b.Args(args...)
+			if s, ok := args[0].(*Selector); ok {
+				b.Join(s)
+			} else {
+				b.Args(args...)
+			}
 		})
 	})
 }