sync

DBG - compute arizona backup size with compression.sql

@@ -0,0 +1,49 @@
+IF OBJECT_ID('tempdb..#state')IS NOT NULL BEGIN;
+    DROP TABLE #state;
+END;
+
+SELECT 
+      database_name = DB_NAME(database_id)
+    , log_size_mb = CAST(SUM(CASE WHEN f.type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(18,2))
+    , row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) * 8. / 1024 AS DECIMAL(18,2))
+    , total_size_mb = CAST(SUM(size) * 8. / 1024 AS DECIMAL(18,2))
+    , CAST(NULL AS DECIMAL(18,2)) AS compression_backup_percent
+    , CAST(NULL AS DECIMAL(18,2)) AS compressed_backup_size_MB
+INTO #state
+FROM sys.master_files F WITH(NOWAIT)
+WHERE LOWER(DB_NAME(database_id)) = 'arizona'
+GROUP BY F.database_id
+
+--#region start dummy backup
+BACKUP DATABASE [Arizona] TO  DISK = N'nul' WITH  COPY_ONLY, NOFORMAT, INIT,  NAME = N'Arizona-Full Database Backup', SKIP, NOREWIND, NOUNLOAD, COMPRESSION,  STATS = 10
+--#endregion start dummy backup
+
+--#region compute last backup compressed size
+UPDATE s SET [s].[compression_backup_percent] = x.[compressPct]
+     , s.[compressed_backup_size_MB] = x.[compressed_bkp_MB]
+FROM [#state] s
+    CROSS APPLY (
+        SELECT TOP (1)
+            [a].[backup_start_date]
+            ,[a].[backup_finish_date]
+            ,[a].[type]
+            ,[a].[backup_size]
+            ,[a].[backup_size] / 1024 / 1024 / 1024 AS bkp_size_GB
+            ,[a].[backup_size] / 1024 / 1024 AS bkp_size_MB
+            ,[a].[compressed_backup_size]
+            ,[a].[compressed_backup_size] / 1024 / 1024 / 1024 AS compressed_bkp_GB
+            ,[a].[compressed_backup_size] / 1024 / 1024 AS compressed_bkp_MB
+            ,[a].[is_copy_only]
+            ,compressPct = CAST(100.0 * [a].[compressed_backup_size] / [a].[backup_size] AS DECIMAL(5, 1))
+        FROM msdb.dbo.backupset a
+        WHERE LOWER([a].[database_name]) = 'arizona' --LOWER(s.[database_name])
+        AND [a].[type]='D' --full bkp only
+        AND [a].[is_copy_only] = 1
+        AND [a].[backup_start_date] > DATEADD(HOUR, -1, CURRENT_TIMESTAMP)
+        ORDER BY [a].[backup_start_date] DESC 
+    ) x
+--#endregion compute last backup compressed size
+
+
+SELECT * 
+FROM [#state]