From 843107902515c93e1507fabb1a47db66ef5a167d Mon Sep 17 00:00:00 2001
From: Tobie Morgan Hitchcock <tobie@abcum.com>
Date: Thu, 21 Jul 2016 22:45:35 +0100
Subject: [PATCH] Enable comments in SQL code

---
 sql/parser.go  | 8 ++++++--
 sql/scanner.go | 8 ++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/sql/parser.go b/sql/parser.go
index ccc76b0c..7c6aa6a3 100644
--- a/sql/parser.go
+++ b/sql/parser.go
@@ -196,8 +196,12 @@ func (p *Parser) unscan() { p.buf.n = 1 }
 // scanIgnoreWhitespace scans the next non-whitespace token.
 func (p *Parser) scanIgnoreWhitespace() (tok Token, lit string) {
 	tok, lit = p.scan()
-	if tok == WS {
-		tok, lit = p.scan()
+	for {
+		if tok == WS {
+			tok, lit = p.scan()
+		} else {
+			break
+		}
 	}
 	return
 }
diff --git a/sql/scanner.go b/sql/scanner.go
index 93d77b0e..3232512d 100644
--- a/sql/scanner.go
+++ b/sql/scanner.go
@@ -106,6 +106,14 @@ func (s *Scanner) Scan() (tok Token, lit string) {
 	case '-':
 		if chn := s.read(); chn == '>' {
 			return OEDGE, "->"
+	case '/':
+		chn := s.next()
+		switch {
+		case chn == '*':
+			return s.scanCommentMultiple(ch)
+		default:
+			s.unread()
+			return s.scanRegexp(ch)
 		}
 		s.unread()
 		if chn := s.read(); chn == '=' {