Excluded GENERATED ALWAYS VIRTUAL columns from mutable columns

tests/mysql/sample_test.go

@@ -0,0 +1,94 @@
+package mysql
+
+import (
+	"github.com/go-jet/jet/v2/internal/testutils"
+	"github.com/go-jet/jet/v2/internal/utils/ptr"
+	"github.com/go-jet/jet/v2/qrm"
+	"github.com/stretchr/testify/require"
+	"testing"
+
+	. "github.com/go-jet/jet/v2/mysql"
+	"github.com/go-jet/jet/v2/tests/.gentestdata/mysql/test_sample/model"
+	. "github.com/go-jet/jet/v2/tests/.gentestdata/mysql/test_sample/table"
+
+)
+
+func TestMutableColumnsExcludeGeneratedColumn(t *testing.T) {
+
+	t.Run("should not have the generated column in mutableColumns", func(t *testing.T) {
+		require.Equal(t, 2, len(People.MutableColumns))
+		require.Equal(t, People.PeopleName, People.MutableColumns[0])
+		require.Equal(t, People.PeopleHeightCm, People.MutableColumns[1])
+	})
+
+	t.Run("should query with all columns", func(t *testing.T) {
+		query := SELECT(
+			People.AllColumns,
+		).FROM(
+			People,
+		).WHERE(
+			People.PeopleID.EQ(Int(3)),
+		)
+
+		var result model.People
+
+		err := query.Query(db, &result)
+		require.NoError(t, err)
+
+		require.Equal(t, "Carla", result.PeopleName)
+		require.Equal(t, 155., *result.PeopleHeightCm)
+		require.InEpsilon(t, 61.02, *result.PeopleHeightIn, 1e-3)
+	})
+
+	t.Run("should insert without generated columns", func(t *testing.T) {
+		testutils.ExecuteInTxAndRollback(t, db, func(tx qrm.DB) {
+			insertQuery := People.INSERT(
+				People.MutableColumns,
+			).MODEL(
+				model.People{
+					PeopleName:     "Dario",
+					PeopleHeightCm: ptr.Of(120.0),
+				},
+			)
+
+			testutils.AssertDebugStatementSql(t, insertQuery, `
+INSERT INTO test_sample.people (people_name, people_height_cm)
+VALUES ('Dario', 120);
+`)
+			_, err := insertQuery.Exec(tx)
+			require.NoError(t, err)
+
+			var result model.People
+			selectQuery := SELECT(
+				People.MutableColumns,
+			).FROM(
+				People,
+			).ORDER_BY(
+				People.PeopleID.DESC(),
+			).LIMIT(1)
+
+			err = selectQuery.Query(tx, &result)
+			require.NoError(t, err)
+
+			require.Equal(t, "Dario", result.PeopleName)
+			require.Equal(t, 120., *result.PeopleHeightCm)
+
+			query := SELECT(
+				People.AllColumns,
+			).FROM(
+				People,
+			).ORDER_BY(
+				People.PeopleID.DESC(),
+			).LIMIT(1)
+
+			result = model.People{}
+
+			err = query.Query(tx, &result)
+			require.NoError(t, err)
+
+			require.Equal(t, "Dario", result.PeopleName)
+			require.Equal(t, 120., *result.PeopleHeightCm)
+			require.InEpsilon(t, 47.24, *result.PeopleHeightIn, 1e-3)
+		})
+	})
+}