func TestAlterManager(t *testing.T) {
relation := nodes.Relation("table")
mgr := managers.Alteration(relation)
// The following struct members should exist.
_ = mgr.Tree
// The following receiver methods should exist.
_ = mgr.AddColumn(1, sql.String)
_ = mgr.AddConstraint([]interface{}{1}, sql.Unique, 1, 2, 3)
_ = mgr.SetAdapter(1)
_, _ = mgr.ToSql()
}
// CreateTable returns an AlterManager from the managers package
// for generating SQL to alter existing tables.
func AlterTable(name string) *managers.AlterManager {
relation := nodes.Relation(name)
return managers.Alteration(relation)
}