fix #18, #20

  1. ARG.010 wrong case
  2. update gometalinter to 2.0.11 latest version

advisor/heuristic.go

@@ -2044,6 +2044,7 @@ func (q *Query4Audit) RuleSpaceWithQuote() Rule {
 }
 
 // RuleHint ARG.010
+// TODO: sql_no_cache, straight join
 func (q *Query4Audit) RuleHint() Rule {
 	var rule = q.RuleOK()
 	err := sqlparser.Walk(func(node sqlparser.SQLNode) (kontinue bool, err error) {

advisor/heuristic_test.go

@@ -1731,7 +1731,7 @@ func TestRuleHint(t *testing.T) {
 		{
 			`SELECT * FROM t1 USE INDEX (i1) ORDER BY a;`,
 			`SELECT * FROM t1 IGNORE INDEX (i1) ORDER BY (i2);`,
-			// vitess syntax not support now
+			// TODO: vitess syntax not support now
 			// `SELECT * FROM t1 USE INDEX (i1,i2) IGNORE INDEX (i2);`,
 			// `SELECT * FROM t1 USE INDEX (i1) IGNORE INDEX (i2) USE INDEX (i2);`,
 		},

advisor/rules.go

@@ -251,9 +251,9 @@ func init() {
 		"ARG.010": {
 			Item:     "ARG.010",
 			Severity: "L1",
-			Summary:  "不要使用hint，如sql_no_cache，force index，ignore key，straight join等",
+			Summary:  "不要使用hint，如sql_no_cache, force index, ignore key, straight join等",
 			Content:  `hint是用来强制SQL按照某个执行计划来执行，但随着数据量变化我们无法保证自己当初的预判是正确的。`,
-			Case:     "SELECT 'abc '",
+			Case:     "SELECT * FROM t1 USE INDEX (i1) ORDER BY a;",
 			Func:     (*Query4Audit).RuleHint,
 		},
 		"ARG.011": {

advisor/testdata/TestListHeuristicRules.golden

@@ -162,7 +162,7 @@ SELECT c1,c2,c3 FROM tbl WHERE c1 = 14 OR c1 = 17
 ```sql
 SELECT 'abc '
 ```
-## 不要使用hint，如sql\_no\_cache，force index，ignore key，straight join等
+## 不要使用hint，如sql\_no\_cache, force index, ignore key, straight join等
 
 * **Item**:ARG.010
 * **Severity**:L1
@@ -170,7 +170,7 @@ SELECT 'abc '
 * **Case**:
 
 ```sql
-SELECT 'abc '
+SELECT * FROM t1 USE INDEX (i1) ORDER BY a;
 ```
 ## 不要使用负向查询，如：NOT IN/NOT LIKE
 

advisor/testdata/TestMergeConflictHeuristicRules.golden

@@ -13,7 +13,7 @@ advisor.Rule{Item:"ARG.006", Severity:"L1", Summary:"应尽量避免在WHERE子
 advisor.Rule{Item:"ARG.007", Severity:"L3", Summary:"避免使用模式匹配", Content:"性能问题是使用模式匹配操作符的最大缺点。使用LIKE或正则表达式进行模式匹配进行查询的另一个问题，是可能会返回意料之外的结果。最好的方案就是使用特殊的搜索引擎技术来替代SQL，比如Apache Lucene。另一个可选方案是将结果保存起来从而减少重复的搜索开销。如果一定要使用SQL，请考虑在MySQL中使用像FULLTEXT索引这样的第三方扩展。但更广泛地说，您不一定要使用SQL来解决所有问题。", Case:"select c_id,c2,c3 from tbl where c2 like 'test%'", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}
 advisor.Rule{Item:"ARG.008", Severity:"L1", Summary:"OR查询索引列时请尽量使用IN谓词", Content:"IN-list谓词可以用于索引检索，并且优化器可以对IN-list进行排序，以匹配索引的排序序列，从而获得更有效的检索。请注意，IN-list必须只包含常量，或在查询块执行期间保持常量的值，例如外引用。", Case:"SELECT c1,c2,c3 FROM tbl WHERE c1 = 14 OR c1 = 17", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}
 advisor.Rule{Item:"ARG.009", Severity:"L1", Summary:"引号中的字符串开头或结尾包含空格", Content:"如果VARCHAR列的前后存在空格将可能引起逻辑问题，如在MySQL 5.5中'a'和'a '可能会在查询中被认为是相同的值。", Case:"SELECT 'abc '", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}
-advisor.Rule{Item:"ARG.010", Severity:"L1", Summary:"不要使用hint，如sql_no_cache，force index，ignore key，straight join等", Content:"hint是用来强制SQL按照某个执行计划来执行，但随着数据量变化我们无法保证自己当初的预判是正确的。", Case:"SELECT 'abc '", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}
+advisor.Rule{Item:"ARG.010", Severity:"L1", Summary:"不要使用hint，如sql_no_cache, force index, ignore key, straight join等", Content:"hint是用来强制SQL按照某个执行计划来执行，但随着数据量变化我们无法保证自己当初的预判是正确的。", Case:"SELECT * FROM t1 USE INDEX (i1) ORDER BY a;", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}
 advisor.Rule{Item:"ARG.011", Severity:"L3", Summary:"不要使用负向查询，如：NOT IN/NOT LIKE", Content:"请尽量不要使用负向查询，这将导致全表扫描，对查询性能影响较大。", Case:"select id from t where num not in(1,2,3);", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}
 advisor.Rule{Item:"CLA.001", Severity:"L4", Summary:"最外层SELECT未指定WHERE条件", Content:"SELECT语句没有WHERE子句，可能检查比预期更多的行(全表扫描)。对于SELECT COUNT(*)类型的请求如果不要求精度，建议使用SHOW TABLE STATUS或EXPLAIN替代。", Case:"select id from tbl", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}
 advisor.Rule{Item:"CLA.002", Severity:"L3", Summary:"不建议使用ORDER BY RAND()", Content:"ORDER BY RAND()是从结果集中检索随机行的一种非常低效的方法，因为它会对整个结果进行排序并丢弃其大部分数据。", Case:"select name from tbl where id < 1000 order by rand(number)", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}

doc/heuristic.md

@@ -162,7 +162,7 @@ SELECT c1,c2,c3 FROM tbl WHERE c1 = 14 OR c1 = 17
 ```sql
 SELECT 'abc '
 ```
-## 不要使用hint，如sql\_no\_cache，force index，ignore key，straight join等
+## 不要使用hint，如sql\_no\_cache, force index, ignore key, straight join等
 
 * **Item**:ARG.010
 * **Severity**:L1
@@ -170,7 +170,7 @@ SELECT 'abc '
 * **Case**:
 
 ```sql
-SELECT 'abc '
+SELECT * FROM t1 USE INDEX (i1) ORDER BY a;
 ```
 ## 不要使用负向查询，如：NOT IN/NOT LIKE
 

retool-install.sh

@@ -6,7 +6,7 @@ set -euo pipefail
 which retool >/dev/null || go get -u github.com/twitchtv/retool
 
 # This tool can run other checks in a standardized way
-retool add gopkg.in/alecthomas/gometalinter.v2 v2.0.5
+retool add gopkg.in/alecthomas/gometalinter.v2 v2.0.11
 
 # check spelling
 # misspell works with gometalinter

vendor/vendor.json

@@ -1016,68 +1016,68 @@
 		{
 			"checksumSHA1": "w8FCRjH70gM6QttB9QrEh9Y1x64=",
 			"path": "vitess.io/vitess",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "aKn1oKcY74N8TRLm3Ayt7Q4bbI4=",
 			"path": "vitess.io/vitess/go/bytes2",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "JVCEN4UGRmg3TofIBdzZMZ3G0Ww=",
 			"path": "vitess.io/vitess/go/hack",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "L7ROM3XZyVXSD799Isv3bcFFhuQ=",
 			"path": "vitess.io/vitess/go/sqltypes",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "ntFIQYkBS51G6y+FEkjFW40+HOU=",
 			"path": "vitess.io/vitess/go/vt/log",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "+AyVYXW7XGu+R8AUNU0YY8DcE8k=",
 			"path": "vitess.io/vitess/go/vt/proto/query",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "OnWsUHLDKcO3spwH0jD55SvKD24=",
 			"path": "vitess.io/vitess/go/vt/proto/topodata",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "jUgYgOnOM36Zs1GMRVV+vG1hfnw=",
 			"path": "vitess.io/vitess/go/vt/proto/vtgate",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "pLWM+SPGZs3k+IhjktE/cGUlpM0=",
 			"path": "vitess.io/vitess/go/vt/proto/vtrpc",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "LDXjimRADIzASesUnWUOJ6smswg=",
 			"path": "vitess.io/vitess/go/vt/sqlparser",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		},
 		{
 			"checksumSHA1": "oF4XzuOzwvj1iduX/lYqNSyY/HM=",
 			"path": "vitess.io/vitess/go/vt/vterrors",
-			"revision": "137eb27a9c3a1789055e90ec1cf5f05bdc001d0c",
-			"revisionTime": "2018-10-21T20:32:27Z"
+			"revision": "44180fbce377cb4836348bb7880caa38808af817",
+			"revisionTime": "2018-10-22T18:04:59Z"
 		}
 	],
 	"rootPath": "github.com/XiaoMi/soar"