解析表数据结构,增加表基础信息返回

tool/sql2go/parser.go

@@ -20,23 +20,44 @@ const (
 	CreateSQLColumnTPL = "{FIELD} {TYPE} `json:\"{JSON_TAG}\" gorm:\"column:{COLUMN};default:{DEFAULT_VALUE};{NOT_NULL}\"` // {COMMENT}"
 )
 
+// BasicTableInfo ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 11:47 上午 2021/11/17
+type BasicTableInfo struct {
+	TableName        string
+	ModelStruct      string
+	PrimaryField     string
+	PrimaryFieldType string
+}
+
 // ParseCreateTableSql 解析建表sql
 //
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 4:49 下午 2021/10/25
-func ParseCreateTableSql(sql string) (string, error) {
+func ParseCreateTableSql(sql string) (string, *BasicTableInfo, error) {
 	var (
 		stmt  sqlparser.Statement
 		err   error
+		basic *BasicTableInfo
 	)
+	basic = &BasicTableInfo{
+		TableName:        "",
+		ModelStruct:      "",
+		PrimaryField:     "ID",
+		PrimaryFieldType: "",
+	}
 	sql = strings.ReplaceAll(strings.ReplaceAll(sql, "CURRENT_TIMESTAMP()", "CURRENT_TIMESTAMP"), "current_timestamp()", "CURRENT_TIMESTAMP")
 	if stmt, err = sqlparser.ParseStrictDDL(sql); nil != err {
-		return "", err
+		return "", nil, err
 	}
 
 	r := stmt.(*sqlparser.DDL)
-	structResult := "type " + util.SnakeCaseToCamel(sqlparser.String(r.NewName)) + " struct { \n"
+	basic.TableName = sqlparser.String(r.NewName)
+	basic.ModelStruct = util.SnakeCaseToCamel(basic.TableName)
+	structResult := "type " + basic.ModelStruct + " struct { \n"
 
 	for _, item := range r.TableSpec.Columns {
 		data := map[string]string{
@@ -47,6 +68,9 @@ func ParseCreateTableSql(sql string) (string, error) {
 			"{COMMENT}":       item.Name.String() + " " + string(item.Type.Comment.Val),
 			"{TYPE}":          sqlTypeMap[item.Type.Type],
 		}
+		if data["{FIELD}"] == "ID" {
+			basic.PrimaryFieldType = data["{TYPE}"]
+		}
 		if item.Type.NotNull {
 			data["{NOT_NULL}"] = "NOT NULL"
 		}
@@ -60,5 +84,5 @@ func ParseCreateTableSql(sql string) (string, error) {
 		structResult += val + "\n"
 	}
 	structResult = structResult + "}"
-	return structResult, nil
+	return structResult, basic, nil
 }