Joseph Doherty
26ff8d9b4f
Set up repository with legacy .NET Framework 4.8 source (OLD/), new .NET 10 Blazor solution (NEW/), OpenSpec specifications, documentation, and project configuration.
35 lines
992 B
Transact-SQL
35 lines
992 B
Transact-SQL
-- Migration: 032_CreateLastDataUpdatesView
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-- Source: OLD/Database/Views/LastDataUpdates.sql
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-- Pivot view showing last successful update timestamps by table and type
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CREATE OR ALTER VIEW [dbo].[LastDataUpdates]
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AS
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WITH UPDATE_CTE AS
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(
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SELECT du.TableName,
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du.UpdateType,
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du.StartDT,
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ROW_NUMBER() OVER (PARTITION BY du.TableName, du.UpdateType ORDER BY du.StartDT DESC) AS RN
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FROM dbo.DataUpdate du
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WHERE du.WasSuccessful = 1
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)
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SELECT TableName,
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COALESCE([3], '1970-01-01') AS MassUpdateDT,
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COALESCE(COALESCE([2], [3]), '1970-01-01') AS DailyUpdateDT,
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COALESCE(COALESCE(COALESCE([1], [2]), [3]), '1970-01-01') AS HourlyUpdateDT
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FROM
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(
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SELECT UPDATE_CTE.TableName,
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UPDATE_CTE.UpdateType,
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UPDATE_CTE.StartDT,
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UPDATE_CTE.RN
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FROM UPDATE_CTE
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WHERE RN = 1
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) AS Source
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PIVOT
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(
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MAX(StartDT)
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FOR UpdateType IN ([1], [2], [3])
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) AS PivotTable;
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GO
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