fix: remove sql injection

persistence/helpers_test.go

@@ -0,0 +1,19 @@
+package persistence
+
+import (
+	"github.com/Masterminds/squirrel"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Helpers", func() {
+	Describe("Exists", func() {
+		It("constructs the correct EXISTS query", func() {
+			e := Exists("album", squirrel.Eq{"id": 1})
+			sql, args, err := e.ToSql()
+			Expect(sql).To(Equal("exists (select 1 from album where id = ?)"))
+			Expect(args).To(Equal([]interface{}{1}))
+			Expect(err).To(BeNil())
+		})
+	})
+})