61 lines
3.8 KiB
SQL
61 lines
3.8 KiB
SQL
-- 1. 创建表结构
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CREATE TABLE "file_storage" (
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-- [兼容模式] 支持 AUTO_INCREMENT
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"id" BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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"fileName" VARCHAR(255) NOT NULL DEFAULT '',
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"fileId" BIGINT NOT NULL,
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"userGroupId" BIGINT DEFAULT NULL,
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"tenantId" BIGINT DEFAULT NULL,
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"userId" BIGINT DEFAULT NULL,
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"dirId" BIGINT NOT NULL,
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"fileBizType" INTEGER DEFAULT NULL,
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"fileSuffix" VARCHAR(50) NOT NULL DEFAULT '',
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-- [兼容模式] 去掉 UNSIGNED，使用 BIGINT (范围足够覆盖)
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"fileSize" BIGINT NOT NULL,
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-- [兼容模式] 支持 DATETIME 类型
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"createTime" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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-- [兼容模式] 支持 ON UPDATE 语法，无需触发器实现自动更新
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"updateTime" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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"fullPath" VARCHAR(1024) NOT NULL DEFAULT '',
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-- [修复核心报错]
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-- 将 date_format 替换为标准的提取拼接逻辑，确保是 IMMUTABLE (不可变) 表达式
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"createYearMonth" VARCHAR(7) GENERATED ALWAYS AS (
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CAST(EXTRACT(YEAR FROM "createTime") AS VARCHAR) || '-' ||
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LPAD(CAST(EXTRACT(MONTH FROM "createTime") AS VARCHAR), 2, '0')
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) STORED
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);
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-- 2. 创建索引
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CREATE INDEX "idx_dirid_size" ON "file_storage" ("dirId", "fileSize");
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CREATE INDEX "idx_userid_size" ON "file_storage" ("userId", "fileSize");
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CREATE INDEX "idx_dirid_createtime_size" ON "file_storage" ("dirId", "createTime", "fileSize");
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CREATE INDEX "idx_userid_createtime_size" ON "file_storage" ("userId", "createTime", "fileSize");
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CREATE INDEX "idx_dirid_createmonth_size" ON "file_storage" ("dirId", "createYearMonth", "fileSize");
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CREATE INDEX "idx_userid_createmonth_size" ON "file_storage" ("userId", "createYearMonth", "fileSize");
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CREATE INDEX "idx_dir_file_suffix_biz_createtime_size" ON "file_storage" ("dirId", "fileName", "fileSuffix", "fileBizType", "createTime", "fileSize");
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CREATE INDEX "idx_filename" ON "file_storage" ("fileName");
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-- 3. 添加字段注释
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COMMENT ON TABLE "file_storage" IS '文件存储统计主表（支持项目/学科/用户维度的存储占用统计）';
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COMMENT ON COLUMN "file_storage"."id" IS '主键ID（自增）';
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COMMENT ON COLUMN "file_storage"."fileName" IS '文件名（含后缀）';
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COMMENT ON COLUMN "file_storage"."fileId" IS '文件唯一标识ID（关联文件元数据表）';
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COMMENT ON COLUMN "file_storage"."userGroupId" IS '用户组ID';
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COMMENT ON COLUMN "file_storage"."tenantId" IS '租户ID';
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COMMENT ON COLUMN "file_storage"."userId" IS '文件所属用户ID';
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COMMENT ON COLUMN "file_storage"."dirId" IS '保存所有父目录ID（项目/学科等目录的唯一标识）';
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COMMENT ON COLUMN "file_storage"."fileBizType" IS '文件业务类型（1：模型文件 2：仿真报告、3：计算文件、4：曲线文件、5：云图文件，6：网格文件，7：计算过程文件）';
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COMMENT ON COLUMN "file_storage"."fileSuffix" IS '文件后缀（如txt、jpg、pdf）';
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COMMENT ON COLUMN "file_storage"."fileSize" IS '文件大小（字节数，存储占用计算依据）';
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COMMENT ON COLUMN "file_storage"."createTime" IS '文件创建时间';
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COMMENT ON COLUMN "file_storage"."updateTime" IS '记录更新时间（自动更新）';
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COMMENT ON COLUMN "file_storage"."fullPath" IS '文件完整路径（冗余字段，优化查询）';
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COMMENT ON COLUMN "file_storage"."createYearMonth" IS '创建年月(自动生成)';
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