From a43b6819d44088b5d6fad185a5a34f9370217c24 Mon Sep 17 00:00:00 2001
From: Joseph Buchma <josephbuchma@gmail.com>
Date: Fri, 22 Sep 2017 01:19:37 +0300
Subject: [PATCH] "Exists" method for store

---
 generator/templates/model.tgo | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/generator/templates/model.tgo b/generator/templates/model.tgo
index 1d30659..9e9bee8 100644
--- a/generator/templates/model.tgo
+++ b/generator/templates/model.tgo
@@ -408,6 +408,25 @@ func (s *{{.StoreName}}) MustCount(q *{{.QueryName}}) int64 {
 	return s.Store.MustCount(q)
 }
 
+// Exists returns true if there is at least one record by given query.
+func (s *{{.StoreName}}) Exists(q *{{.QueryName}}) (bool, error) {
+	q.Limit(1)
+        q.Select(Schema.{{.Name}}.ID)
+        q.Offset(0)
+        rs, err := s.Find(q)
+        if err != nil {
+                return false, err
+        }
+
+        if !rs.Next() {
+                return false, nil
+        }
+
+        err = rs.Close()
+        return true, err
+}
+
+
 // FindOne returns the first row returned by the given query.
 // `ErrNotFound` is returned if there are no results.
 func (s *{{.StoreName}}) FindOne(q *{{.QueryName}}) (*{{.Name}}, error) {