patch model&rpc (#207)

* change column to read from information_schema

* reactor generate mode from datasource

* reactor generate mode from datasource

* add primary key check logic

* resolve rebase conflicts

* add naming style

* add filename test case

* resolve rebase conflicts

* reactor test

* add test case

* change shell script to makefile

* update rpc new

* update gen_test.go

* format code

* format code

* update test

* generates alias

tools/goctl/model/sql/gen/split.go

@@ -4,11 +4,10 @@ import (
 	"regexp"
 )
 
-func (g *defaultGenerator) split() []string {
+func (g *defaultGenerator) split(source string) []string {
 	reg := regexp.MustCompile(createTableFlag)
-	index := reg.FindAllStringIndex(g.source, -1)
+	index := reg.FindAllStringIndex(source, -1)
 	list := make([]string, 0)
-	source := g.source
 	for i := len(index) - 1; i >= 0; i-- {
 		subIndex := index[i]
 		if len(subIndex) == 0 {