From 4081f199dc64b5c52f66b2489496a275f5bb4ab6 Mon Sep 17 00:00:00 2001 From: foesa <35463247+foesa-yang@users.noreply.github.com> Date: Fri, 18 Nov 2022 17:08:12 +0800 Subject: [PATCH] Update optional-match.md --- .../3.ngql-guide/7.general-query-statements/optional-match.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs-2.0/3.ngql-guide/7.general-query-statements/optional-match.md b/docs-2.0/3.ngql-guide/7.general-query-statements/optional-match.md index c8cdd8a1ede..e25925621e4 100644 --- a/docs-2.0/3.ngql-guide/7.general-query-statements/optional-match.md +++ b/docs-2.0/3.ngql-guide/7.general-query-statements/optional-match.md @@ -1,5 +1,9 @@ # OPTIONAL MATCH +!!! caution + + 目前 `OPTIONAL MATCH` 为 Beta 功能,后续可能会有一定优化调整。 + `OPTIONAL MATCH`通常与`MATCH`语句一起使用,作为`MATCH`语句的可选项去匹配命中的模式,如果没有命中对应的模式,对应的列返回`NULL`。 ## openCypher 兼容性