-- https://www.mssqltips.com/sqlservertip/4832/script-to-find-out-when-sql-server-recovery-will-finish/
DECLARE @DBName VARCHAR(64) = 'Warehouse'
DECLARE @ErrorLog AS TABLE([LogDate] CHAR(24), [ProcessInfo] VARCHAR(64), [TEXT] VARCHAR(MAX))
INSERT INTO @ErrorLog
EXEC master..sp_readerrorlog 0, 1, 'Recovery of database', @DBName
INSERT INTO @ErrorLog
EXEC master..sp_readerrorlog 0, 1, 'Recovery completed', @DBName
SELECT TOP 1
@DBName AS [DBName]
,[LogDate]
,CASE
WHEN SUBSTRING([TEXT],10,1) = 'c'
THEN '100%'
ELSE SUBSTRING([TEXT], CHARINDEX(') is ', [TEXT]) + 4,CHARINDEX(' complete (', [TEXT]) - CHARINDEX(') is ', [TEXT]) - 4)
END AS PercentComplete
,CASE
WHEN SUBSTRING([TEXT],10,1) = 'c'
THEN 0
ELSE CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0
END AS MinutesRemaining
,CASE
WHEN SUBSTRING([TEXT],10,1) = 'c'
THEN 0
ELSE CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0/60.0
END AS HoursRemaining
,[TEXT]
FROM @ErrorLog ORDER BY CAST([LogDate] as datetime) DESC, [MinutesRemaining]