From 059f59db209743b502110f7bcacc64afb1a822ad Mon Sep 17 00:00:00 2001
From: linwe <872216996@qq.com>
Date: Mon, 18 Dec 2023 15:49:24 +0800
Subject: [PATCH] 性别查询优化

---
 src/main/java/org/springblade/modules/house/mapper/HouseholdMapper.xml |   47 ++++++++++++++++++++++++-----------------------
 1 files changed, 24 insertions(+), 23 deletions(-)

diff --git a/src/main/java/org/springblade/modules/house/mapper/HouseholdMapper.xml b/src/main/java/org/springblade/modules/house/mapper/HouseholdMapper.xml
index 11fe4a6..5dae8f9 100644
--- a/src/main/java/org/springblade/modules/house/mapper/HouseholdMapper.xml
+++ b/src/main/java/org/springblade/modules/house/mapper/HouseholdMapper.xml
@@ -267,14 +267,16 @@
 
     <select id="getHouseHoldStatistics" resultType="java.util.Map">
         SELECT
-        CASE
-        WHEN
-        jh.gender = 1 THEN
-        '男'
-        WHEN jh.gender = 0 THEN
-        '女' ELSE '未知'
-        END AS gender,
-        count( 1 ) numbers
+        a.gender,
+        count( a.gender ) numbers
+        FROM
+        ( SELECT
+        IF
+        (
+        id_card IS NULL,
+        '未知',
+        IF
+        (SUBSTRING( id_card, 17, 1 ) % 2 = 1, '男', '女' )) AS gender
         FROM
         jczz_household jh
         LEFT JOIN jczz_doorplate_address jda ON jh.house_code = jda.address_code
@@ -282,23 +284,22 @@
         jda.nei_code = #{code}
         AND jh.is_deleted = 0
         <if test="userId != null">
-        AND jda.address_code IN (
-        SELECT
-        jgr.house_code
-        FROM
-        jczz_grid jg
-        LEFT JOIN jczz_gridman jgm ON jg.id = jgm.grid_id
-        LEFT JOIN jczz_grid_range jgr ON jgr.grid_id = jg.id
-        WHERE
-        jgm.user_id = #{userId}
-        AND jh.house_code = jgr.house_code
-        AND jg.is_deleted = 0
-        )
+            AND jda.address_code IN (
+            SELECT
+            jgr.house_code
+            FROM
+            jczz_grid jg
+            LEFT JOIN jczz_gridman jgm ON jg.id = jgm.grid_id
+            LEFT JOIN jczz_grid_range jgr ON jgr.grid_id = jg.id
+            WHERE
+            jgm.user_id = #{userId}
+            AND jh.house_code = jgr.house_code
+            AND jg.is_deleted = 0
+            )
         </if>
+        ) a
         GROUP BY
-        gender
-
-
+        a.gender
     </select>
     <select id="getHouseHoldStatisticsAge" resultType="java.util.Map">
 

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