From 5fdb69748d19efb6d6fab1c2514cb9eef8bc2ff1 Mon Sep 17 00:00:00 2001
From: zhongrj <646384940@qq.com>
Date: Wed, 08 Nov 2023 08:51:55 +0800
Subject: [PATCH] 地址表新增字段子门牌号

---
 src/main/java/org/springblade/modules/label/mapper/LabelMapper.xml |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/src/main/java/org/springblade/modules/label/mapper/LabelMapper.xml b/src/main/java/org/springblade/modules/label/mapper/LabelMapper.xml
index 0bb9d64..5a4273f 100644
--- a/src/main/java/org/springblade/modules/label/mapper/LabelMapper.xml
+++ b/src/main/java/org/springblade/modules/label/mapper/LabelMapper.xml
@@ -7,5 +7,25 @@
         select * from jczz_label where 1=1
     </select>
 
+    <!--标签查询,按父id查询下级-->
+    <select id="getLabelList" resultType="org.springblade.common.node.TreeIntegerNode">
+        SELECT
+            jl.id as id,jl.parent_id as parentId,jl.label_name as name
+        FROM
+            (
+            SELECT
+                @ids AS ids,
+                ( SELECT @ids := GROUP_CONCAT( id ) FROM jczz_label WHERE FIND_IN_SET( parent_id, @ids ) ) AS cids
+            FROM
+                jczz_label
+            WHERE
+                @ids IS NOT NULL
+                AND @ids := #{label.parentId}
+            ) id,
+            jczz_label jl
+        WHERE
+            FIND_IN_SET(jl.parent_id,ids)
+    </select>
+
 
 </mapper>

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