add: update export table task

lib/dborm/dborm.go

@@ -16,6 +16,7 @@ import (
 
 	_ "github.com/go-sql-driver/mysql"
 	"xorm.io/xorm"
+	"xorm.io/xorm/core"
 )
 
 const (
@@ -124,6 +125,10 @@ func XormConnectDatabase(dbType, dbUser, dbPassword, dbHost, dbPort, dbName stri
 	return xEngine, nil
 }
 
+func XCoreDB() *core.DB {
+	return xEngine.DB()
+}
+
 func ConstructInsertSQL(tableName string, insertData interface{}) (string, []string) {
 	log.Debug("ConstructInsertSQL processing... ")
 	log.Debug("Request insertData:", insertData)