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1. 修改文件名和文件路径字段长度一致,因为如果不存在文件名的情况下,会使用文件路径作为字段名,防止数据库报错字段内容太长。
2. 修改type字段为ext_name,因为此字段本来就存的文件扩展名,并且新增mime_type字段,用来存储文件的类型。方便后期拓展网盘项目。 3. 修改文件路径生成方式:之前是md5,现在是sha256,降低文件碰撞概率。方便拓展网盘项目,实现秒传等功能。
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@ -2634,14 +2634,15 @@ CREATE TABLE [dbo].[infra_file] (
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[config_id] bigint NULL,
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[path] nvarchar(512) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
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[url] nvarchar(1024) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
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[type] nvarchar(63) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
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[ext_name] nvarchar(63) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
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[mime_type] nvarchar(63) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
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[size] int NOT NULL,
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[creator] nvarchar(64) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
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[create_time] datetime2(7) NOT NULL,
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[updater] nvarchar(64) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
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[update_time] datetime2(7) NOT NULL,
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[deleted] bit DEFAULT 0 NOT NULL,
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[name] nvarchar(256) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
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[name] nvarchar(512) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
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)
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GO
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@ -2677,10 +2678,17 @@ EXEC sp_addextendedproperty
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GO
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EXEC sp_addextendedproperty
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'MS_Description', N'文件类型',
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'MS_Description', N'文件扩展名',
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'SCHEMA', N'dbo',
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'TABLE', N'infra_file',
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'COLUMN', N'type'
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'COLUMN', N'ext_name'
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GO
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EXEC sp_addextendedproperty
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'MS_Description', N'文件MIME类型',
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'SCHEMA', N'dbo',
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'TABLE', N'infra_file',
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'COLUMN', N'mime_type'
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GO
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EXEC sp_addextendedproperty
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