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| 1 | +IF OBJECT_ID('dbo.sp_DropIndexes', 'P') IS NULL |
| 2 | + EXECUTE ('CREATE PROCEDURE dbo.sp_DropIndexes AS SELECT 1;'); |
| 3 | +GO |
| 4 | + |
| 5 | + |
| 6 | +ALTER PROCEDURE dbo.sp_DropIndexes( |
| 7 | + @debug BIT = 1 |
| 8 | +) |
| 9 | +/* |
| 10 | +.SYNOPSIS |
| 11 | + Drop indexes and statistics |
| 12 | + |
| 13 | +.DESCRIPTION |
| 14 | + Drop indexes and statistics |
| 15 | + |
| 16 | +.PARAMETER @debug |
| 17 | + Just generate DROP statements withou executing it |
| 18 | + |
| 19 | +.EXAMPLE |
| 20 | + EXEC sp_DropIndexes @debug = 0; |
| 21 | + |
| 22 | +.LICENSE MIT |
| 23 | +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 24 | +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 25 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | + |
| 27 | +.NOTE |
| 28 | + Author: Brent Ozar |
| 29 | + Created date: 2017年04月11日 |
| 30 | + Version: 1.0 |
| 31 | + |
| 32 | + Author: Konstantin Taranov |
| 33 | + Modified date: 2018年01月03日 |
| 34 | + Version: 1.1 |
| 35 | +*/ |
| 36 | +AS |
| 37 | +SET NOCOUNT ON; |
| 38 | + |
| 39 | +CREATE TABLE #commands (ID INT IDENTITY(1,1) PRIMARY KEY CLUSTERED, Command NVARCHAR(2000)); |
| 40 | +DECLARE @CurrentCommand NVARCHAR(2000); |
| 41 | + |
| 42 | +INSERT INTO #commands (Command) |
| 43 | +SELECT 'DROP INDEX [' + i.name + '] ON [' + s.name + '].[' + t.name + ']' |
| 44 | +FROM sys.tables t |
| 45 | +INNER JOIN sys.indexes i ON t.object_id = i.object_id |
| 46 | +INNER JOIN sys.schemas s ON t.schema_id = s.schema_id |
| 47 | +WHERE i.type = 2; |
| 48 | + |
| 49 | +INSERT INTO #commands (Command) |
| 50 | +SELECT 'DROP STATISTICS ' + SCHEMA_NAME([t].[schema_id]) + '.' + OBJECT_NAME([s].[object_id]) + '.' + s.[name] |
| 51 | +FROM sys.[stats] AS [s] |
| 52 | +JOIN sys.[tables] AS [t] |
| 53 | +ON s.[object_id] = t.[object_id] |
| 54 | +WHERE [s].[name] LIKE '[_]WA[_]Sys[_]%' |
| 55 | +AND OBJECT_NAME([s].[object_id]) NOT LIKE 'sys%'; |
| 56 | + |
| 57 | +IF @debug = 1 |
| 58 | +SELECT * FROM #commands; |
| 59 | +ELSE |
| 60 | +BEGIN |
| 61 | +DECLARE result_cursor CURSOR FOR |
| 62 | +SELECT Command FROM #commands; |
| 63 | + |
| 64 | +OPEN result_cursor |
| 65 | +FETCH NEXT FROM result_cursor into @CurrentCommand |
| 66 | +WHILE @@FETCH_STATUS = 0 |
| 67 | +BEGIN |
| 68 | + |
| 69 | + EXEC(@CurrentCommand); |
| 70 | + |
| 71 | +FETCH NEXT FROM result_cursor into @CurrentCommand |
| 72 | +END |
| 73 | +--end loop |
| 74 | + |
| 75 | +--clean up |
| 76 | +CLOSE result_cursor; |
| 77 | +DEALLOCATE result_cursor; |
| 78 | +END; |
| 79 | +GO |
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