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SSDB.Row_Level_Auditing_Add.sql
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SSDB.Row_Level_Auditing_Add.sql
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CREATE PROCEDURE [admin].[RowLevelAuditingAdd]
@SchemaName NVARCHAR(50) = NULL
, @TableName NVARCHAR(50) = NULL
AS
BEGIN
/*
'--------------------------------------------------------------------------------------------------------------------
' Purpose: Adds row level auditing columns to a table
' Example: EXEC admin.RowLevelAuditingAdd 'dbo', 'Users';
'--------------------------------------------------------------------------------------------------------------------
-----------------------------------------------------
-->>>>>>>>>>>>>>>>> FOR DEBUGGING <<<<<<<<<<<<<<<<<<<
-----------------------------------------------------
BEGIN
DECLARE @SchemaName NVARCHAR(50)
DECLARE @TableName NVARCHAR(50)
SET @SchemaName = 'dbo'
SET @TableName = 'Users'
-----------------------------------------------------
-----------------------------------------------------
*/
SET XACT_ABORT ON
BEGIN TRANSACTION;
SET NOCOUNT ON
DECLARE @SqlCommand NVARCHAR(1000)
DECLARE @TableKey NVARCHAR(1000)
DECLARE @UserName NVARCHAR(50)
DECLARE @CreatedId NVARCHAR(50)
DECLARE @CreatedDate NVARCHAR(50)
DECLARE @ModifiedId NVARCHAR(50)
DECLARE @ModifiedDate NVARCHAR(50)
DECLARE @TodayDate NVARCHAR(50)
SET @CreatedId = 'CreatedId'
SET @CreatedDate = 'CreatedDate'
SET @ModifiedId = 'ModifiedId'
SET @ModifiedDate = 'ModifiedDate'
SET @UserName = LEFT(RIGHT(SYSTEM_USER,(LEN(SYSTEM_USER)-CHARINDEX('\',SYSTEM_USER))), 50)
SET @TodayDate = FORMAT(GETDATE(), 'dd-MMM-yyyy HH:mm:ss', 'en-US' )
PRINT '=====================================================================';
PRINT 'START - ALTER [' + @SchemaName + '].[' + @TableName + ']... ';
IF COL_LENGTH(@SchemaName + '.' + @TableName, @CreatedId) IS NULL
BEGIN
PRINT '=====================================================================';
PRINT 'START - ADD COLUMN [' + @CreatedId + ']... ';
PRINT '1. alter table add ' + @CreatedId + ' column... ';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ADD [' + @CreatedId + '] [NVARCHAR](50) NULL'
EXEC (@SqlCommand)
PRINT '2. update new column to a value... ' + @UserName;
SET @SqlCommand = 'UPDATE [' + @SchemaName + '].[' + @TableName + '] SET [' + @CreatedId + '] =''' + @UserName + ''' WHERE [' + @CreatedId + '] IS NULL'
EXEC (@SqlCommand)
PRINT '3. alter table alter new column add constraints... ';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ALTER COLUMN [' + @CreatedId + '] [NVARCHAR](50) NOT NULL'
EXEC (@SqlCommand)
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ADD CONSTRAINT [DF_' + @TableName + '_' + @CreatedId + '] DEFAULT (LEFT(RIGHT(SYSTEM_USER,(LEN(SYSTEM_USER)-CHARINDEX(''\'',SYSTEM_USER))), 50)) FOR [' + @CreatedId + ']'
EXEC (@SqlCommand)
PRINT '4. add column description... ';
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Who created the record' , @level0type=N'SCHEMA',@level0name=@SchemaName, @level1type=N'TABLE',@level1name=@TableName, @level2type=N'COLUMN',@level2name=@CreatedId;
PRINT 'END - ADD COLUMN [' + @CreatedId + ']... ';
PRINT '=====================================================================';
END
IF COL_LENGTH(@SchemaName + '.' + @TableName, @CreatedDate) IS NULL
BEGIN
PRINT '=====================================================================';
PRINT 'START - ADD COLUMN [' + @CreatedDate + ']... ';
PRINT '1. alter table add ' + @CreatedDate + ' column... ';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ADD [' + @CreatedDate + '] [DATETIME] NULL'
EXEC (@SqlCommand)
PRINT '2. update new column to a value... ' + @TodayDate;
SET @SqlCommand = 'UPDATE [' + @SchemaName + '].[' + @TableName + '] SET [' + @CreatedDate + '] = ''' + @TodayDate+ ''' WHERE [' + @CreatedDate + '] IS NULL'
EXEC (@SqlCommand)
PRINT '3. alter table alter new column add constraints... ';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ALTER COLUMN [' + @CreatedDate + '] [DATETIME] NOT NULL'
EXEC (@SqlCommand)
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ADD CONSTRAINT [DF_' + @TableName + '_' + @CreatedDate + '] DEFAULT (GETDATE()) FOR [' + @CreatedDate + ']'
EXEC (@SqlCommand)
PRINT '4. add column description... ';
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'The date and time the record was created' , @level0type=N'SCHEMA',@level0name=@SchemaName, @level1type=N'TABLE',@level1name=@TableName, @level2type=N'COLUMN',@level2name=@CreatedDate;
PRINT 'END - ADD COLUMN [' + @CreatedDate + ']... ';
PRINT '=====================================================================';
END
IF COL_LENGTH(@SchemaName + '.' + @TableName, @ModifiedId) IS NULL
BEGIN
PRINT '=====================================================================';
PRINT 'START - ADD COLUMN [' + @ModifiedId + ']... ';
PRINT '1. alter table add ' + @ModifiedId + ' column... ';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ADD [' + @ModifiedId + '] [NVARCHAR](50) NULL'
EXEC (@SqlCommand)
PRINT '2. update new column to a value... ' + @UserName;
SET @SqlCommand = 'UPDATE [' + @SchemaName + '].[' + @TableName + '] SET [' + @ModifiedId + '] =''' + @UserName + ''' WHERE [' + @ModifiedId + '] IS NULL'
EXEC (@SqlCommand)
PRINT '3. alter table alter new column add constraints... ';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ALTER COLUMN [' + @ModifiedId + '] [NVARCHAR](50) NOT NULL'
EXEC (@SqlCommand)
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ADD CONSTRAINT [DF_' + @TableName + '_' + @ModifiedId + '] DEFAULT (LEFT(RIGHT(SYSTEM_USER,(LEN(SYSTEM_USER)-CHARINDEX(''\'',SYSTEM_USER))), 50)) FOR [' + @ModifiedId + ']'
EXEC (@SqlCommand)
PRINT '4. add column description... ';
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'Who modified the record' , @level0type=N'SCHEMA',@level0name=@SchemaName, @level1type=N'TABLE',@level1name=@TableName, @level2type=N'COLUMN',@level2name=@ModifiedId;
PRINT 'END - ADD COLUMN [' + @ModifiedId + ']... ';
PRINT '=====================================================================';
END
IF COL_LENGTH(@SchemaName + '.' + @TableName, @ModifiedDate) IS NULL
BEGIN
PRINT '=====================================================================';
PRINT 'START - ADD COLUMN [' + @ModifiedDate + ']... ';
PRINT '1. alter table add ' + @ModifiedDate + ' column... ';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ADD [' + @ModifiedDate + '] [DATETIME] NULL'
EXEC (@SqlCommand)
PRINT '2. update new column to a value... ' + @TodayDate;
SET @SqlCommand = 'UPDATE [' + @SchemaName + '].[' + @TableName + '] SET [' + @ModifiedDate + '] = ''' + @TodayDate+ ''' WHERE [' + @ModifiedDate + '] IS NULL'
EXEC (@SqlCommand)
PRINT '3. alter table alter new column add constraints... ';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ALTER COLUMN [' + @ModifiedDate + '] [DATETIME] NOT NULL'
EXEC (@SqlCommand)
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ADD CONSTRAINT [DF_' + @TableName + '_' + @ModifiedDate + '] DEFAULT (GETDATE()) FOR [' + @ModifiedDate + ']'
EXEC (@SqlCommand)
PRINT '4. add column description... ';
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'The date and time the record was modified' , @level0type=N'SCHEMA',@level0name=@SchemaName, @level1type=N'TABLE',@level1name=@TableName, @level2type=N'COLUMN',@level2name=@ModifiedDate;
PRINT 'END - ADD COLUMN [' + @ModifiedDate + ']... ';
PRINT '=====================================================================';
END
IF NOT EXISTS (SELECT * FROM sys.triggers WHERE object_id = OBJECT_ID(N'[' + @SchemaName + '].[TR_' + @TableName + '_LAST_UPDATED]'))
BEGIN
PRINT '=====================================================================';
PRINT 'START - ADD TRIGGER [TR_' + @TableName + '_LAST_UPDATED]... ';
PRINT '1. get primary key from information schema';
SELECT
@TableKey = COALESCE(@TableKey, '') + CASE WHEN ORDINAL_POSITION = 1 THEN 'ON' ELSE 'AND' END + ' t.' + COLUMN_NAME + ' = i.' + COLUMN_NAME + ' '
FROM
INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE
1=1
AND OBJECTPROPERTY(OBJECT_ID(CONSTRAINT_SCHEMA + '.' + QUOTENAME(CONSTRAINT_NAME)), 'IsPrimaryKey') = 1
AND TABLE_NAME = @TableName AND TABLE_SCHEMA = @SchemaName
ORDER BY
ORDINAL_POSITION
PRINT '2. build trigger dynamically';
SET @SqlCommand = 'CREATE TRIGGER [' + @SchemaName + '].[TR_' + @TableName + '_LAST_UPDATED]' + CHAR(13);
SET @SqlCommand += 'ON [' + @SchemaName + '].[' + @TableName + ']' + CHAR(13);
SET @SqlCommand += 'AFTER UPDATE' + CHAR(13);
SET @SqlCommand += 'AS' + CHAR(13);
SET @SqlCommand += 'BEGIN' + CHAR(13);
SET @SqlCommand += CHAR(9) + 'IF NOT UPDATE(' + @ModifiedDate + ')' + CHAR(13);
SET @SqlCommand += CHAR(9) + 'BEGIN' + CHAR(13);
SET @SqlCommand += CHAR(9) + CHAR(9) + 'UPDATE t' + CHAR(13);
SET @SqlCommand += CHAR(9) + CHAR(9) + 'SET' + CHAR(13);
SET @SqlCommand += CHAR(9) + CHAR(9) + ' t.' + @ModifiedDate + ' = CURRENT_TIMESTAMP' + CHAR(13);
SET @SqlCommand += CHAR(9) + CHAR(9) + ', t.' + @ModifiedId + ' = LEFT(RIGHT(SYSTEM_USER,(LEN(SYSTEM_USER)-CHARINDEX(''\'',SYSTEM_USER))), 50)' + CHAR(13);
SET @SqlCommand += CHAR(9) + CHAR(9) + 'FROM [' + @SchemaName + '].[' + @TableName + '] AS t' + CHAR(13);
SET @SqlCommand += CHAR(9) + CHAR(9) + 'INNER JOIN inserted AS i' + CHAR(13);
SET @SqlCommand += CHAR(9) + CHAR(9) + @TableKey + ';' + CHAR(13);
SET @SqlCommand += CHAR(9) + 'END' + CHAR(13);
SET @SqlCommand += 'END;' + CHAR(13);
EXEC (@SqlCommand)
PRINT '3. enable trigger';
SET @SqlCommand = 'ALTER TABLE [' + @SchemaName + '].[' + @TableName + '] ENABLE TRIGGER [TR_' + @TableName + '_LAST_UPDATED]';
EXEC (@SqlCommand)
PRINT 'END - ADD TRIGGER [' + @ModifiedDate + ']... ';
PRINT '=====================================================================';
END
PRINT 'END - ALTER [' + @SchemaName + '].[' + @TableName + ']... ';
PRINT '=====================================================================';
--PRINT 'ROLLBACK TRANSACTION... ';
--ROLLBACK TRANSACTION;
PRINT 'COMMIT TRANSACTION... '
COMMIT TRANSACTION;
END
GO