优化 获取关注、粉丝列表

src/main/resources/mapper/primary/UserFollowMapper.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ai.da.mapper.primary.UserFollowMapper">
+    <select id="getFolloweeListByFollower" resultType="com.ai.da.model.vo.AccountFollowVO">
+        SELECT a.id as user_id, a.user_name AS user_name, a.avatar AS avatar, b.create_time AS follow_time
+        FROM t_account a
+                 INNER JOIN t_user_follow b ON a.id = b.followee_id
+        WHERE b.follower_id = #{followerAccountId}
+        <if test="order != null and order != ''">
+            ORDER BY b.create_time ${order}
+        </if>
+        LIMIT #{limit} OFFSET #{offset}
+    </select>
+    <select id="getFollowerListByFollowee" resultType="com.ai.da.model.vo.AccountFollowVO">
+        SELECT a.id as user_id, a.user_name AS user_name, a.avatar AS avatar, b.create_time AS follow_time
+        FROM t_account a
+                 INNER JOIN t_user_follow b ON a.id = b.follower_id
+        WHERE b.followee_id = #{followeeAccountId}
+        <if test="order != null and order != ''">
+            ORDER BY b.create_time ${order}
+        </if>
+        LIMIT #{limit} OFFSET #{offset}
+    </select>
+
+    <select id="getFolloweeListByName" resultType="com.ai.da.model.vo.AccountFollowVO">
+        SELECT a.id as user_id, a.user_name, a.avatar, b.create_time as follow_time
+        FROM t_account a
+                 INNER JOIN t_user_follow b ON a.id = b.followee_id
+        WHERE b.follower_id = #{followerId}
+          AND b.followee_id in (
+            SELECT id
+            FROM t_account
+            WHERE user_name = #{name} OR user_email = #{name}
+        )
+        GROUP BY a.user_email;
+
+    </select>
+
+    <select id="getFollowerListByName" resultType="com.ai.da.model.vo.AccountFollowVO">
+        SELECT a.id as user_id, a.user_name, a.avatar, b.create_time as follow_time
+        FROM t_account a
+                 INNER JOIN t_user_follow b ON a.id = b.follower_id
+        WHERE b.followee_id = #{followeeId}
+          AND b.follower_id in (
+            SELECT id
+            FROM t_account
+            WHERE user_name = #{name} OR user_email = #{name}
+        )
+        GROUP BY a.user_email;
+    </select>
+
+
+
+
+</mapper>