Method AppendSelectExprAs

dialect/sql/builder.go:1798–1810

AppendSelectExprAs appends additional expressions to the SELECT statement with the given name.

(expr Querier, as string)

// AppendSelectExprAs appends additional expressions to the SELECT statement with the given name.
func (s *Selector) AppendSelectExprAs(expr Querier, as string) *Selector {
	x := expr
	if _, ok := expr.(*raw); !ok {
		x = ExprFunc(func(b *Builder) {
			b.S("(").Join(expr).S(")")
		})
	}
	s.selection = append(s.selection, selection{
		x:  x,
		as: as,
	})
	return s
}

// FindSelection returns all occurrences in the selection that match the given column name.
// For example, for column "a" the following match: a, "a", "t"."a", "t"."b" AS "a".