Method Finalize

rel/sql.go:1220–1233

Finalize this Query plan by preparing sub-sources ie we need to rewrite some things into sub-statements - we need to share the join expression across sources

()

//  ie we need to rewrite some things into sub-statements
//  - we need to share the join expression across sources
func (m *SqlSelect) Finalize() error {
	if m.finalized {
		return nil
	}
	m.finalized = true
	if len(m.From) == 0 {
		return nil
	}
	for _, from := range m.From {
		from.Finalize()
	}

	return nil
}

func (m *SqlSelect) UnAliasedColumns() map[string]*Column {
	cols := make(map[string]*Column, len(m.Columns))