Additional documentation.

select_table.go

@@ -0,0 +1,63 @@
+package jet
+
+import "errors"
+
+// SelectTable is interface for SELECT sub-queries
+type SelectTable interface {
+	ReadableTable
+
+	Alias() string
+
+	AllColumns() ProjectionList
+}
+
+type selectTableImpl struct {
+	readableTableInterfaceImpl
+	selectStmt SelectStatement
+	alias      string
+
+	projections []projection
+}
+
+func newSelectTable(selectStmt SelectStatement, alias string) SelectTable {
+	expTable := &selectTableImpl{selectStmt: selectStmt, alias: alias}
+
+	expTable.readableTableInterfaceImpl.parent = expTable
+
+	for _, projection := range selectStmt.projections() {
+		newProjection := projection.from(expTable)
+
+		expTable.projections = append(expTable.projections, newProjection)
+	}
+
+	return expTable
+}
+
+func (s *selectTableImpl) Alias() string {
+	return s.alias
+}
+
+func (s *selectTableImpl) columns() []column {
+	return nil
+}
+
+func (s *selectTableImpl) AllColumns() ProjectionList {
+	return s.projections
+}
+
+func (s *selectTableImpl) serialize(statement statementType, out *sqlBuilder, options ...serializeOption) error {
+	if s == nil {
+		return errors.New("jet: Expression table is nil. ")
+	}
+
+	err := s.selectStmt.serialize(statement, out)
+
+	if err != nil {
+		return err
+	}
+
+	out.writeString("AS")
+	out.writeIdentifier(s.alias)
+
+	return nil
+}