daily update

1. update vitess dependency 2. explain database prefix check

daily update
1. update vitess dependency 2. explain database prefix check
11f1bc33 · martianzhang · 347ad1db · 11f1bc33 · 11f1bc33 · 11f1bc33
9 changed file
--- a/CHANGES.md
+++ b/CHANGES.md
-# 更新日志
-
+# CHANGELOG

 ## 2018-11
- TODO: english translation
+- DOING: english translation
+- add -cleanup-test-database command-line arg
+- fix -config arg load file error
+- fix #87 RuleImplicitConversion value type mistach check bug
+- fix #38 always true where condition check
+- abandon stdin terminal interactive mod, which may seems like hangup

 ## 2018-10
 - Fix SplitStatement mulitstatement eof bug #66

--- a/README.md
+++ b/README.md
@@ -42,4 +42,4 @@ SOAR(SQL Optimizer And Rewriter)是一个对SQL进行优化和改写的自动化

 ## License

-[Apache License 2.0](http://github.com/XiaoMi/soar/blob/master/LICENSE).
+[Apache License 2.0](https://github.com/XiaoMi/soar/blob/master/LICENSE).
--- a/README_EN.md
+++ b/README_EN.md
@@ -37,4 +37,4 @@ SOAR (SQL Optimizer And Rewriter) is a tool, which can help SQL optimization and

 ## License

-[Apache License 2.0](http://github.com/XiaoMi/soar/blob/master/LICENSE).
+[Apache License 2.0](https://github.com/XiaoMi/soar/blob/master/LICENSE).
--- a/cmd/soar/soar.go
+++ b/cmd/soar/soar.go
@@ -352,7 +352,7 @@ func main() {
 				explainInfo, err := rEnv.Explain(q.Query,
 					database.ExplainType[common.Config.ExplainType],
 					database.ExplainFormatType[common.Config.ExplainFormat])
-				if err != nil {
+				if err != nil && strings.HasPrefix(vEnv.Database, "optimizer_") {
 					// 线上环境执行失败才到测试环境 EXPLAIN，比如在用户提供建表语句及查询语句的场景
 					common.Log.Warn("rEnv.Explain Warn: %v", err)
 					explainInfo, err = vEnv.Explain(q.Query,

--- a/env/env.go
+++ b/env/env.go
@@ -35,8 +35,8 @@ type VirtualEnv struct {
 	*database.Connector

 	// 保存DB测试环境映射关系，防止vEnv环境冲突。
-	DBRef   map[string]string
-	hash2Db map[string]string
+	DBRef   map[string]string // db -> optimizer_xxx
+	hash2Db map[string]string // optimizer_xxx -> db
 	// 保存Table创建关系，防止重复创建表
 	TableMap map[string]map[string]string
 	// 错误

--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -1016,68 +1016,68 @@
 		{
 			"checksumSHA1": "w8FCRjH70gM6QttB9QrEh9Y1x64=",
 			"path": "vitess.io/vitess",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "aKn1oKcY74N8TRLm3Ayt7Q4bbI4=",
 			"path": "vitess.io/vitess/go/bytes2",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "JVCEN4UGRmg3TofIBdzZMZ3G0Ww=",
 			"path": "vitess.io/vitess/go/hack",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "e1WJ7vCnVrlQQQlc6n/FewCDMso=",
 			"path": "vitess.io/vitess/go/sqltypes",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "ntFIQYkBS51G6y+FEkjFW40+HOU=",
 			"path": "vitess.io/vitess/go/vt/log",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "XozR8bmeSR5KTe/nlUJkpJY2HKI=",
 			"path": "vitess.io/vitess/go/vt/proto/query",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "OnWsUHLDKcO3spwH0jD55SvKD24=",
 			"path": "vitess.io/vitess/go/vt/proto/topodata",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "sBAuZ/itMR8U8qbK4yLHxkP6Cpc=",
 			"path": "vitess.io/vitess/go/vt/proto/vtgate",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "pLWM+SPGZs3k+IhjktE/cGUlpM0=",
 			"path": "vitess.io/vitess/go/vt/proto/vtrpc",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
-			"checksumSHA1": "3rucaIfitefjezWeglPndd50Mcw=",
+			"checksumSHA1": "3ggEFYVEhMPxyhkKhRGw3x1eZ9M=",
 			"path": "vitess.io/vitess/go/vt/sqlparser",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		},
 		{
 			"checksumSHA1": "oF4XzuOzwvj1iduX/lYqNSyY/HM=",
 			"path": "vitess.io/vitess/go/vt/vterrors",
-			"revision": "54855ec7b36906b6d53aa5af0f0293a0a73ae928",
-			"revisionTime": "2018-11-05T03:16:12Z"
+			"revision": "b06f7c89ac5f0c632d9bc9621c70b014d91b27f9",
+			"revisionTime": "2018-11-09T17:11:46Z"
 		}
 	],
 	"rootPath": "github.com/XiaoMi/soar"

--- a/vendor/vitess.io/vitess/go/vt/sqlparser/ast.go
+++ b/vendor/vitess.io/vitess/go/vt/sqlparser/ast.go
@@ -2998,20 +2998,30 @@ func (node *ValuesFuncExpr) replace(from, to Expr) bool {
 }

 // SubstrExpr represents a call to SubstrExpr(column, value_expression) or SubstrExpr(column, value_expression,value_expression)
-// also supported syntax SubstrExpr(column from value_expression for value_expression)
+// also supported syntax SubstrExpr(column from value_expression for value_expression).
+// Additionally to column names, SubstrExpr is also supported for string values, e.g.:
+// SubstrExpr('static string value', value_expression, value_expression)
+// In this case StrVal will be set instead of Name.
 type SubstrExpr struct {
-	Name *ColName
-	From Expr
-	To   Expr
+	Name   *ColName
+	StrVal *SQLVal
+	From   Expr
+	To     Expr
 }

 // Format formats the node.
 func (node *SubstrExpr) Format(buf *TrackedBuffer) {
+	var val interface{}
+	if node.Name != nil {
+		val = node.Name
+	} else {
+		val = node.StrVal
+	}

 	if node.To == nil {
-		buf.Myprintf("substr(%v, %v)", node.Name, node.From)
+		buf.Myprintf("substr(%v, %v)", val, node.From)
 	} else {
-		buf.Myprintf("substr(%v, %v, %v)", node.Name, node.From, node.To)
+		buf.Myprintf("substr(%v, %v, %v)", val, node.From, node.To)
 	}
 }

@@ -3020,7 +3030,7 @@ func (node *SubstrExpr) replace(from, to Expr) bool {
 }

 func (node *SubstrExpr) walkSubtree(visit Visit) error {
-	if node == nil {
+	if node == nil || node.Name == nil {
 		return nil
 	}
 	return Walk(

--- a/vendor/vitess.io/vitess/go/vt/sqlparser/sql.go
+++ b/vendor/vitess.io/vitess/go/vt/sqlparser/sql.go
--- a/vendor/vitess.io/vitess/go/vt/sqlparser/sql.y
+++ b/vendor/vitess.io/vitess/go/vt/sqlparser/sql.y
@@ -2464,6 +2464,30 @@ function_call_keyword:
  {
    $$ = &SubstrExpr{Name: $3, From: $5, To: $7}
  }
+| SUBSTR openb STRING ',' value_expression closeb
+  {
+    $$ = &SubstrExpr{StrVal: NewStrVal($3), From: $5, To: nil}
+  }
+| SUBSTR openb STRING ',' value_expression ',' value_expression closeb
+  {
+    $$ = &SubstrExpr{StrVal: NewStrVal($3), From: $5, To: $7}
+  }
+| SUBSTR openb STRING FROM value_expression FOR value_expression closeb
+  {
+    $$ = &SubstrExpr{StrVal: NewStrVal($3), From: $5, To: $7}
+  }
+| SUBSTRING openb STRING ',' value_expression closeb
+  {
+    $$ = &SubstrExpr{StrVal: NewStrVal($3), From: $5, To: nil}
+  }
+| SUBSTRING openb STRING ',' value_expression ',' value_expression closeb
+  {
+    $$ = &SubstrExpr{StrVal: NewStrVal($3), From: $5, To: $7}
+  }
+| SUBSTRING openb STRING FROM value_expression FOR value_expression closeb
+  {
+    $$ = &SubstrExpr{StrVal: NewStrVal($3), From: $5, To: $7}
+  }
 | MATCH openb select_expression_list closeb AGAINST openb value_expression match_option closeb
  {
  $$ = &MatchExpr{Columns: $3, Expr: $7, Option: $8}