Fix test.

Author: go-jet

tests/postgres/alltypes_test.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"github.com/go-jet/jet/v2/internal/utils/ptr"
 	"github.com/stretchr/testify/assert"
+	"math"
 
 	"github.com/go-jet/jet/v2/qrm"
 	"testing"