closes 5254: %COL% should be a common placeholder

client/orm/cmd_utils.go

@@ -33,6 +33,11 @@ func getColumnTyp(al *alias, fi *models.FieldInfo) (col string) {
 	fieldType := fi.FieldType
 	fieldSize := fi.Size
 
+	defer func() {
+		// handling the placeholder, including %COL%
+		col = strings.ReplaceAll(col, "%COL%", fi.Column)
+	}()
+
 checkColumn:
 	switch fieldType {
 	case TypeBooleanField:

client/orm/cmd_utils_test.go

@@ -0,0 +1,37 @@
+package orm
+
+import (
+	"github.com/beego/beego/v2/client/orm/internal/models"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func Test_getColumnTyp(t *testing.T) {
+	testCases := []struct {
+		name string
+		fi   *models.FieldInfo
+		al   *alias
+
+		wantCol string
+	}{
+		{
+			// https://github.com/beego/beego/issues/5254
+			name: "issue 5254",
+			fi: &models.FieldInfo{
+				FieldType: TypePositiveIntegerField,
+				Column:    "my_col",
+			},
+			al: &alias{
+				DbBaser: newdbBasePostgres(),
+			},
+			wantCol: `bigint CHECK("my_col" >= 0)`,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			col := getColumnTyp(tc.al, tc.fi)
+			assert.Equal(t, tc.wantCol, col)
+		})
+	}
+}