From 7bf408336db226b75ffefbe9920daace923c9f95 Mon Sep 17 00:00:00 2001
From: Tobie Morgan Hitchcock <tobie@abcum.com>
Date: Wed, 30 May 2018 13:24:45 +0100
Subject: [PATCH] Allow expressions in SELECT field AS alias clauses

---
 sql/select.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sql/select.go b/sql/select.go
index 32641d90..2c3e71a0 100644
--- a/sql/select.go
+++ b/sql/select.go
@@ -98,7 +98,7 @@ func (p *parser) parseFields() (mul Fields, err error) {
 
 		if _, _, exi := p.mightBe(AS); exi {
 
-			if _, one.Alias, err = p.shouldBe(IDENT); err != nil {
+			if _, one.Alias, err = p.shouldBe(IDENT, EXPR); err != nil {
 				return nil, &ParseError{Found: one.Alias, Expected: []string{"alias name"}}
 			}