37 lines
1.0 KiB
MySQL
37 lines
1.0 KiB
MySQL
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/*
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修复集体项目成绩写入：EventResult 会为队内每名运动员各保留一条成绩，
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因此活动成绩唯一键应为“出场记录 + 报名人员”，不能只约束出场记录。
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本脚本可重复执行。
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*/
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SET NOCOUNT ON;
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SET XACT_ABORT ON;
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SET ANSI_NULLS ON;
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SET ANSI_PADDING ON;
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SET ANSI_WARNINGS ON;
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SET ARITHABORT ON;
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SET CONCAT_NULL_YIELDS_NULL ON;
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SET QUOTED_IDENTIFIER ON;
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SET NUMERIC_ROUNDABORT OFF;
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BEGIN TRY
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BEGIN TRANSACTION;
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IF EXISTS (
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SELECT 1
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FROM sys.indexes
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WHERE object_id = OBJECT_ID(N'dbo.EventResult')
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AND name = N'UX_EventResult_SessionEntry_Active'
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)
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DROP INDEX [UX_EventResult_SessionEntry_Active] ON dbo.[EventResult];
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CREATE UNIQUE NONCLUSTERED INDEX [UX_EventResult_SessionEntry_Active]
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ON dbo.[EventResult]([SessionEntryId], [RegistrationPersonId])
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WHERE [SessionEntryId] IS NOT NULL AND [DeleteMark] = 0;
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COMMIT TRANSACTION;
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END TRY
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BEGIN CATCH
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IF @@TRANCOUNT > 0 ROLLBACK TRANSACTION;
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THROW;
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END CATCH;
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