// FIXME: Lots of duplicated code between insert and update, no bueno.
func Update(values, columns []interface{}, model *Model) error {
accessor := accessorFor(model.table)
manager := managers.Modification(accessor.Relation())
for _, column := range columns {
column, err := CARTOGRAPHER.ColumnForField(model.definition, column.(string))
if nil != err {
return err
}
manager.Set(column)
}
manager.To(values...)
if 0 < len(model.table.PrimaryKey) {
column, err := CARTOGRAPHER.ColumnForField(model.definition, model.table.PrimaryKey)
if nil != err {
return err
}
field, err := CARTOGRAPHER.FieldForColumn(model.definition, model.table.PrimaryKey)
if nil != err {
return err
}
manager.Where(accessor(column).Eq(model.values[field]))
} else {
return errors.New("Unable to update record missing value for primary key field.")
}
sql, err := manager.ToSql()
if nil != err {
return err
}
// FIXME: This should be a transaction.
stmt, err := connection.session.Prepare(sql)
if nil != err {
return err
}
_, err = stmt.Exec()
return err
}
func TestUpdateManager(t *testing.T) {
relation := nodes.Relation("table")
mgr := managers.Modification(relation)
// The following struct members should exist.
_ = mgr.Tree
_ = mgr.Engine
// The following receiver methods should exist.
_ = mgr.Set(1)
_ = mgr.To(1)
_ = mgr.Where(1)
_ = mgr.Limit(1)
_ = mgr.Engine(1)
_, _ = mgr.ToSql()
}