From 4f351d54f7d0589140ea593dfcf366f41ecc9d11 Mon Sep 17 00:00:00 2001
From: Leon Zhang <martianzhang@hotmail.com>
Date: Mon, 22 Oct 2018 18:22:09 +0800
Subject: [PATCH] fix #10 tkns index out of range

---
 advisor/heuristic.go |  3 +++
 vendor/vendor.json   | 44 ++++++++++++++++++++++----------------------
 2 files changed, 25 insertions(+), 22 deletions(-)

diff --git a/advisor/heuristic.go b/advisor/heuristic.go
index b95cfe8..ac822a2 100644
--- a/advisor/heuristic.go
+++ b/advisor/heuristic.go
@@ -44,6 +44,9 @@ func (q *Query4Audit) RuleOK() Rule {
 func (q *Query4Audit) RuleImplicitAlias() Rule {
 	var rule = q.RuleOK()
 	tkns := ast.Tokenizer(q.Query)
+	if len(tkns) == 0 {
+		return rule
+	}
 	if tkns[0].Type != sqlparser.SELECT {
 		return rule
 	}
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 2701e1e..d9d7d93 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -1016,68 +1016,68 @@
 		{
 			"checksumSHA1": "w8FCRjH70gM6QttB9QrEh9Y1x64=",
 			"path": "vitess.io/vitess",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "aKn1oKcY74N8TRLm3Ayt7Q4bbI4=",
 			"path": "vitess.io/vitess/go/bytes2",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "JVCEN4UGRmg3TofIBdzZMZ3G0Ww=",
 			"path": "vitess.io/vitess/go/hack",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "L7ROM3XZyVXSD799Isv3bcFFhuQ=",
 			"path": "vitess.io/vitess/go/sqltypes",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "ntFIQYkBS51G6y+FEkjFW40+HOU=",
 			"path": "vitess.io/vitess/go/vt/log",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "+AyVYXW7XGu+R8AUNU0YY8DcE8k=",
 			"path": "vitess.io/vitess/go/vt/proto/query",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "OnWsUHLDKcO3spwH0jD55SvKD24=",
 			"path": "vitess.io/vitess/go/vt/proto/topodata",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "jUgYgOnOM36Zs1GMRVV+vG1hfnw=",
 			"path": "vitess.io/vitess/go/vt/proto/vtgate",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "pLWM+SPGZs3k+IhjktE/cGUlpM0=",
 			"path": "vitess.io/vitess/go/vt/proto/vtrpc",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "LDXjimRADIzASesUnWUOJ6smswg=",
 			"path": "vitess.io/vitess/go/vt/sqlparser",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		},
 		{
 			"checksumSHA1": "oF4XzuOzwvj1iduX/lYqNSyY/HM=",
 			"path": "vitess.io/vitess/go/vt/vterrors",
-			"revision": "52d48af1bf71da21b3792d2d5e3ba40b057a73e6",
-			"revisionTime": "2018-10-21T04:45:57Z"
+			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
+			"revisionTime": "2018-10-21T20:32:27Z"
 		}
 	],
 	"rootPath": "github.com/XiaoMi/soar"
-- 
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