his/openhis-server-new/openhis-application/src/main/resources/mapper/datadictionary/ActivityDefinitionManageMapper.xml

<?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.openhis.web.datadictionary.mapper.ActivityDefinitionManageMapper">
    <!-- 优化后的分页查询：减少JOIN，使用索引友好的写法 -->
    <select id="getDiseaseTreatmentPage" parameterType="java.util.Map"
            resultType="com.openhis.web.datadictionary.dto.DiagnosisTreatmentDto">

        SELECT
            T1.id,
            T1.category_code,
            T1.bus_no,
            T1.name,
            T1.py_str,
            T1.wb_str,
            T1.type_enum,
            T1.permitted_unit_code,
            T1.org_id,
            T1.location_id,
            T1.yb_flag,
            T1.yb_no,
            T1.yb_match_flag,
            T1.status_enum,
            T1.body_site_code,
            T1.specimen_code,
            T1.description_text,
            T1.rule_id,
            T1.tenant_id,
            T1.chrgitm_lv,
            T1.children_json,
            T1.pricing_flag,
            T1.sort_order,
            T1.service_range,
            T1.inspection_type_id,
            T1.fee_package_id,
            T1.sub_item_id,
            T2.type_code as item_type_code,
            T2.yb_type,
            T2.price_code,
            T2.price as retail_price,
            T4.amount as maximum_retail_price,
            T3.name as test_type,
            T5.package_name,
            T6.name as sub_item_name
        FROM wor_activity_definition T1
        /* 只JOIN必要的价格表，使用INNER JOIN避免笛卡尔积 */
        INNER JOIN adm_charge_item_definition T2
            ON T1.id = T2.instance_id
            AND T2.instance_table = 'wor_activity_definition'
        /* 检验类型关联 */
        LEFT JOIN inspection_type T3
            ON T1.inspection_type_id = T3.id
            AND T3.valid_flag = 1
        /* 最高零售价使用LEFT JOIN，因为可能不存在 */
        LEFT JOIN adm_charge_item_def_detail T4
            ON T4.definition_id = T2.id
            AND T4.condition_code = '4'
        /* 费用套餐关联 */
        LEFT JOIN inspection_basic_information T5
            ON T1.fee_package_id = T5.basic_information_id
            AND T5.del_flag = false
        /* 下级医技类型关联（inspection_type 子类） */
        LEFT JOIN inspection_type T6
            ON T1.sub_item_id = T6.id
            AND T6.valid_flag = 1
        <where>
            T1.delete_flag = '0'
            <if test="ew.customSqlSegment != null and ew.customSqlSegment != ''">
                <choose>
                    <when test="ew.customSqlSegment.contains('tenant_id')">
                        ${ew.customSqlSegment.replaceFirst('tenant_id', 'T1.tenant_id').replaceFirst('status_enum', 'T1.status_enum').replaceFirst('WHERE', 'AND')}
                    </when>
                    <otherwise>
                        ${ew.customSqlSegment.replaceFirst('status_enum', 'T1.status_enum').replaceFirst('WHERE', 'AND')}
                    </otherwise>
                </choose>
            </if>
        </where>
        ORDER BY T1.id DESC
    </select>

    <!-- 诊疗目录下拉列表（轻量级，只查4个字段，1个JOIN） -->
    <select id="getDiagnosisTreatmentSimpleList" resultType="com.openhis.web.datadictionary.dto.DiagnosisTreatmentDto">
        SELECT 
            T1.id,
            T1.bus_no,
            T1.name,
            T1.permitted_unit_code,
            T2.price as retail_price
        FROM wor_activity_definition T1
        INNER JOIN adm_charge_item_definition T2
            ON T1.id = T2.instance_id
            AND T2.instance_table = 'wor_activity_definition'
        WHERE T1.delete_flag = '0'
            AND T1.status_enum = #{statusEnum}
            AND T1.tenant_id = #{tenantId}
            <if test="searchKey != null and searchKey != ''">
                AND (
                    T1.name LIKE '%' || #{searchKey} || '%'
                    OR T1.bus_no LIKE '%' || #{searchKey} || '%'
                    OR T1.py_str LIKE '%' || #{searchKey} || '%'
                )
            </if>
        ORDER BY T1.id DESC
        <if test="searchKey != null and searchKey != ''">
            LIMIT 1500
        </if>
        <if test="searchKey == null or searchKey == ''">
            LIMIT 500
        </if>
    </select>

    <select id="getDiseaseTreatmentOne" resultType="com.openhis.web.datadictionary.dto.DiagnosisTreatmentDto">
        SELECT
        T1.id,
        T1.category_code,
        T1.bus_no,
        T1.name,
        T1.py_str,
        T1.wb_str,
        T1.type_enum,
        T1.permitted_unit_code,
        T1.org_id,
        T1.location_id,
        T1.yb_flag,
        T1.yb_no,
        T1.yb_match_flag,
        T1.status_enum,
        T1.body_site_code,
        T1.specimen_code,
        T1.description_text,
        T1.rule_id,
        T1.tenant_id,
        T2.type_code as item_type_code,
        T2.yb_type,
        T2.price_code,
        T2.price as retail_price,
        (
           SELECT T4.amount
           FROM adm_charge_item_definition T5
           LEFT JOIN adm_charge_item_def_detail T4 ON T4.definition_id = T5.id
           WHERE T4.condition_code = '4'
           AND T5.instance_id = T1.id
           AND T5.instance_table = 'wor_activity_definition'
        ) as maximum_retail_price,
        T1.chrgitm_lv,
        T1.children_json,
        T1.pricing_flag,
        T1.sort_order,
        T1.service_range,
        T1.inspection_type_id,
        T1.fee_package_id,
        T1.sub_item_id,
        T3.name as test_type,
        T6.package_name,
        T7.name as sub_item_name
        FROM wor_activity_definition T1
        LEFT JOIN adm_charge_item_definition T2 ON T1.id = T2.instance_id
        /* 检验类型关联 */
        LEFT JOIN inspection_type T3 ON T1.inspection_type_id = T3.id AND T3.valid_flag = 1
        /* 费用套餐关联 */
        LEFT JOIN inspection_basic_information T6
            ON T1.fee_package_id = T6.basic_information_id
            AND T6.del_flag = false
        /* 下级医技类型关联（inspection_type 子类） */
        LEFT JOIN inspection_type T7
            ON T1.sub_item_id = T7.id
            AND T7.valid_flag = 1
        <where>
            T1.delete_flag = '0'
            AND T2.instance_table = 'wor_activity_definition'

            <if test="id!= null">
                AND T1.id = #{id}
            </if>
            <if test="tenantId!= null">
                AND T1.tenant_id = #{tenantId}
            </if>
        </where>
    </select>

</mapper>