From e41c96074ac9de695932798d49c621422f193b58 Mon Sep 17 00:00:00 2001
From: wonb168 <37640893@qq.com>
Date: Tue, 21 Feb 2023 17:57:07 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BD=BF=E7=94=A8=E8=AF=B4=E6=98=8E?=
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---
 README-cn.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README-cn.md b/README-cn.md
index 32557ce..fc3b27f 100644
--- a/README-cn.md
+++ b/README-cn.md
@@ -18,3 +18,16 @@ pg_dump导出主、备库的结构（不含数据）成dump sql文件。
 ## 同步数据
 能并行的gp迁移方案只有gpfdist（封装后为gpload）和gpcopy，gpcopy更优。
 同时gpcopy的json配置文件可以写sql，这样可以控制sql的where条件实现增量copy。未配置的默认全量。
+
+## 使用方法
+目前只有1个gpsync.py文件和1个config.toml文件。调用时只需传入源和目标库的连接信息及数据库名。以gpadmin最高权限运行，方便运行多个库即授权。
+```
+if __name__=='__main__':
+    dbname='mdmaster_platform'#'mdmaster_bsgj_dev551_product_dev'
+    dbinfo={"host":"192.168.200.207", "port":2345, "usr":"gpadmin", "pwd":"密码"}
+    dbinfo2={"host":"192.168.200.73", "port":2345, "usr":"gpadmin", "pwd":"密码"}
+    print('begint to sync schema...')
+    sync_schema(dbinfo,dbinfo2,dbname)
+    print('begint to sync data...')
+    copy_data(dbinfo,dbinfo2,dbname)
+```