added plugins

plugins/dbgate-plugin-mysql/src/backend/sql/tables.js

@@ -0,0 +1,7 @@
+module.exports = `
+select 
+	TABLE_NAME as pureName, 
+	case when ENGINE='InnoDB' then CREATE_TIME else coalesce(UPDATE_TIME, CREATE_TIME) end as modifyDate 
+from information_schema.tables 
+where TABLE_SCHEMA = '#DATABASE#' and TABLE_TYPE='BASE TABLE' and TABLE_NAME =[OBJECT_NAME_CONDITION];
+`;