1 files changed, 43 insertions, 0 deletions
diff --git a/src/database/sql/sql_test.go b/src/database/sql/sql_test.go
index c38a348ab4..eb4e22fcd8 100644
--- a/src/database/sql/sql_test.go
+++ b/src/database/sql/sql_test.go
@@ -4398,6 +4398,49 @@ func TestRowsScanProperlyWrapsErrors(t *testing.T) {
 	}
 }
 
+type alwaysErrValuer struct{}
+
+// errEmpty is returned when an empty value is found
+var errEmpty = errors.New("empty value")
+
+func (v alwaysErrValuer) Value() (driver.Value, error) {
+	return nil, errEmpty
+}
+
+// Issue 64707: Ensure that Stmt.Exec and Stmt.Query properly wraps underlying errors.
+func TestDriverArgsWrapsErrors(t *testing.T) {
+	db := newTestDB(t, "people")
+	defer closeDB(t, db)
+
+	t.Run("exec", func(t *testing.T) {
+		_, err := db.Exec("INSERT|keys|dec1=?", alwaysErrValuer{})
+		if err == nil {
+			t.Fatal("expecting back an error")
+		}
+		if !errors.Is(err, errEmpty) {
+			t.Fatalf("errors.Is mismatch\n%v\nWant: %v", err, errEmpty)
+		}
+		// Ensure that error substring matching still correctly works.
+		if !strings.Contains(err.Error(), errEmpty.Error()) {
+			t.Fatalf("Error %v does not contain %v", err, errEmpty)
+		}
+	})
+
+	t.Run("query", func(t *testing.T) {
+		_, err := db.Query("INSERT|keys|dec1=?", alwaysErrValuer{})
+		if err == nil {
+			t.Fatal("expecting back an error")
+		}
+		if !errors.Is(err, errEmpty) {
+			t.Fatalf("errors.Is mismatch\n%v\nWant: %v", err, errEmpty)
+		}
+		// Ensure that error substring matching still correctly works.
+		if !strings.Contains(err.Error(), errEmpty.Error()) {
+			t.Fatalf("Error %v does not contain %v", err, errEmpty)
+		}
+	})
+}
+
 func TestContextCancelDuringRawBytesScan(t *testing.T) {
 	for _, mode := range []string{"nocancel", "top", "bottom", "go"} {
 		t.Run(mode, func(t *testing.T) {