36 lines
1.4 KiB
Transact-SQL
36 lines
1.4 KiB
Transact-SQL
-- 创建 goods_collections 表（商品收藏表）
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-- 用于存储用户收藏的商品信息
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IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[goods_collections]') AND type in (N'U'))
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BEGIN
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CREATE TABLE [dbo].[goods_collections] (
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[id] INT IDENTITY(1,1) NOT NULL,
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[user_id] INT NOT NULL,
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[goods_id] INT NOT NULL,
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[num] INT NOT NULL DEFAULT 0,
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[type] TINYINT NOT NULL DEFAULT 1,
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[created_at] DATETIME2 NOT NULL DEFAULT GETDATE(),
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CONSTRAINT [pk_goods_collections] PRIMARY KEY CLUSTERED ([id] ASC)
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);
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-- 创建索引
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CREATE NONCLUSTERED INDEX [ix_goods_collections_user_id] ON [dbo].[goods_collections] ([user_id] ASC);
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CREATE NONCLUSTERED INDEX [ix_goods_collections_goods_id] ON [dbo].[goods_collections] ([goods_id] ASC);
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CREATE UNIQUE NONCLUSTERED INDEX [uk_goods_collections_user_goods_num] ON [dbo].[goods_collections] ([user_id] ASC, [goods_id] ASC, [num] ASC);
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PRINT 'Table goods_collections created successfully.';
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END
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ELSE
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BEGIN
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PRINT 'Table goods_collections already exists.';
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END
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GO
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-- 添加表注释
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EXEC sp_addextendedproperty
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@name = N'MS_Description',
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@value = N'商品收藏表，存储用户收藏的商品信息',
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@level0type = N'SCHEMA', @level0name = N'dbo',
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@level1type = N'TABLE', @level1name = N'goods_collections';
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GO
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