spdm-backend/data/src/main/resources/mapper/FileStorageMapper.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.sdm.data.dao.FileStorageMapper">
    <select id="getdefaultNodeNameByNodeSize" resultType="java.lang.String">
        select
            originalName
        from
            (
                select
                    file_metadata_info.originalName,
                    SUM(dirSize.totalSize) AS totalSize
                from
                    (
                        select
                            fs.dirId ,
                            SUM(fs.fileSize) AS totalSize
                        from
                            file_storage fs
                        where
                            fs.dirId
                                in(select id from file_metadata_info fmi where fmi.relatedResourceUuidOwnType = #{queryNodeType} and fmi.tenantId = #{tenantId} )
                        group by
                            fs.dirId) dirSize
                        left join file_metadata_info ON
                        dirSize.dirId = file_metadata_info.id
                        where file_metadata_info.tenantId = #{tenantId}
                group by
                    file_metadata_info.originalName
                order by
                    totalSize DESC
            ) tmp
            LIMIT #{limitNum}
    </select>

    <select id="selectNodeSizeByNodeType" resultType="com.sdm.data.model.dto.NodeSizeDTO">
        SELECT
            dirId,
            SUM(fileSize) AS totalSize
        FROM file_storage
        WHERE
        file_storage.tenantId = #{tenantId}
        and
        dirId IN
        <foreach collection="directoryIds" item="id" open="(" separator="," close=")">
            #{id}
        </foreach>

        <if test="intervalMonths != null and intervalMonths > 0">
            AND createTime &gt;= DATE_SUB(NOW(), INTERVAL #{intervalMonths} MONTH)
        </if>
        GROUP BY dirId;
    </select>

    <select id="statDirStorageByTargetYm" resultType="com.sdm.data.model.dto.NodeSizeDTO">
        <!-- 1. 统计：目标年月之前的历史累计存储（不包含目标年月） -->
        SELECT
        dirId,
        'BEFORE' AS statDimension,  -- 示例：BEFORE_202410
        SUM(fileSize) AS totalSize  -- 总占用字节数（原始单位）
        FROM file_storage
        WHERE
        file_storage.tenantId = #{tenantId}
        and
        dirId IN
        <foreach collection="dirIds" item="dirId" open="(" separator="," close=")">
            #{dirId}
        </foreach>
        AND createYearMonth &lt; #{targetYm}
        GROUP BY dirId

        UNION ALL

        <!-- 2. 统计：目标年月的当月增量存储（仅包含目标年月） -->
        SELECT
        dirId,
        'INCREMENT' AS statDimension,  -- 示例：INCREMENT_202410
        SUM(fileSize) AS totalSize
        FROM file_storage
        WHERE
        file_storage.tenantId = #{tenantId}
        and
        dirId IN
        <foreach collection="dirIds" item="dirId" open="(" separator="," close=")">
            #{dirId}
        </foreach>
        AND createYearMonth = #{targetYm}
        GROUP BY dirId
    </select>

    <select id="getTotalFileSizeByCreator" resultType="com.sdm.data.model.dto.UserTotalFileSizeDTO">
        SELECT
        userId,
        SUM(fileSize) AS totalSize
        FROM file_storage
        WHERE tenantId = #{tenantId}
        <if test="userIds != null and userIds.size() > 0">
            AND userId IN
            <foreach collection="userIds" item="userId" open="(" separator="," close=")">
                #{userId}
            </foreach>
        </if>
        <if test="intervalMonths != null and intervalMonths > 0">
            AND createTime &gt;= DATE_SUB(NOW(), INTERVAL #{intervalMonths} MONTH)
        </if>
        GROUP BY userId
        ORDER BY totalSize DESC
        <!-- 只有没传 IDs 时才限制前 10 -->
        <if test="userIds == null or userIds.size() == 0">
            LIMIT 10
        </if>
    </select>


    <select id="getTotalFileSizeByCreatorAndTargetYm" resultType="com.sdm.data.model.dto.UserTotalFileSizeDTO">
        WITH TargetUsers AS (
        <choose>
            <when test="userIds != null and userIds.size() > 0">
                <!-- 直接使用传入的 ID -->
                <foreach collection="userIds" item="uid" open="SELECT " separator=" UNION ALL SELECT " close="">
                    #{uid} as userId
                </foreach>
            </when>
            <otherwise>
                <!-- 先查出累计最大的前10人 ID -->
                SELECT userId
                FROM file_storage
                WHERE tenantId = #{tenantId}
                AND createYearMonth &lt;= #{targetYm}
                GROUP BY userId
                ORDER BY SUM(fileSize) DESC
                LIMIT 10
            </otherwise>
        </choose>
        )
        <!-- 使用交叉连接/条件聚合，一次扫描完成统计 -->
        SELECT
        t.userId,
        s.statDimension,
        s.totalSize
        FROM TargetUsers t
        INNER JOIN (
        -- 1. 历史累计 (内部先 SUM)
        SELECT userId, 'BEFORE' as statDimension, SUM(fileSize) as totalSize
        FROM file_storage
        WHERE tenantId = #{tenantId} AND createYearMonth &lt; #{targetYm}
        GROUP BY userId

        UNION ALL

        -- 2. 当月增量 (内部先 SUM)
        SELECT userId, 'INCREMENT' as statDimension, SUM(fileSize) as totalSize
        FROM file_storage
        WHERE tenantId = #{tenantId} AND createYearMonth = #{targetYm}
        GROUP BY userId
        ) s ON t.userId = s.userId
    </select>

    <select id="selectBigFiles" resultType="com.sdm.data.model.entity.FileStorage">
        SELECT
        file_storage.fileName,file_storage.fileId,file_storage.userGroupId,file_storage.userId,file_storage.fileSuffix
        FROM file_metadata_info
        inner join file_storage on file_storage.fileId = file_metadata_info.id
        <where>
            file_metadata_info.id is not null
            and file_metadata_info.isLatest = #{queryBigFileReq.isLatest}
            and file_metadata_info.tenantId = #{tenantId}
            and file_storage.tenantId = #{tenantId}
            and file_metadata_info.deletedAt IS NULL
            <if test="queryBigFileReq.approveTypeList != null and queryBigFileReq.approveTypeList.size()>0">
                AND file_metadata_info.approveType IN
                <foreach collection="queryBigFileReq.approveTypeList" item="approveType" open="(" separator="," close=")">
                    #{approveType}
                </foreach>
            </if>

            <if test="queryBigFileReq.dirIds != null and queryBigFileReq.dirIds.size()>0">
                AND file_storage.dirId IN
                <foreach collection="queryBigFileReq.dirIds" item="dirId" open="(" separator="," close=")">
                    #{dirId}
                </foreach>
            </if>

            <if test="queryBigFileReq.fileSuffix != null and queryBigFileReq.fileSuffix != ''">
                AND file_storage.fileSuffix = #{queryBigFileReq.fileSuffix}
            </if>
            <if test="queryBigFileReq.fileIds != null and queryBigFileReq.fileIds.size()>0">
                AND file_storage.fileId IN
                <foreach collection="queryBigFileReq.fileIds" item="fileId" open="(" separator="," close=")">
                    #{fileId}
                </foreach>
            </if>
            <if test="queryBigFileReq.fileName != null and queryBigFileReq.fileName != ''">
                AND file_storage.fileName LIKE CONCAT('%', #{queryBigFileReq.fileName}, '%')
            </if>
            <if test="queryBigFileReq.startTime != null">
                AND file_storage.createTime &gt;= #{queryBigFileReq.startTime}
            </if>
            <if test="queryBigFileReq.endTime != null">
                AND file_storage.createTime &lt;= #{queryBigFileReq.endTime}
            </if>
            <if test="fileSizeInBytes != null">
                AND file_storage.fileSize &gt; #{fileSizeInBytes}
            </if>
            <if test="queryBigFileReq.uploadUserId != null and queryBigFileReq.uploadUserId.size()>0">
                AND file_storage.userId IN
                <foreach collection="queryBigFileReq.uploadUserId" item="userId" open="(" separator="," close=")">
                    #{userId}
                </foreach>
            </if>
        </where>
        GROUP BY file_storage.fileName, file_storage.fileId, file_storage.userGroupId, file_storage.userId, file_storage.fileSuffix
        order by MAX(file_storage.updateTime) desc
    </select>
</mapper>