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@ste-bel
Last active May 3, 2021 16:16
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-- Declare a Cursor to read #Results and generate rows from it
DECLARE C CURSOR FOR
-- Select statement to be driven by the cursor
SELECT [SchemaName], [TableName], [ColumnName]
FROM #Results
ORDER BY [SchemaName], [TableName], [ColumnName]
-- Open the Cursor (row pointer)
OPEN C
-- Fetch a row from the cursor query and push to variables
FETCH NEXT FROM C
INTO @schema_name, @table_name, @column_name
-- While we are able to fetch rows
WHILE @@FETCH_STATUS = 0
BEGIN
-- Create a dynamic query out of this data
SET @SQL = 'SELECT @row_count=COUNT(*), ' +
'@value_found='+ @column_name + ',' +
'@company_id='+ '[CompanyID]' +
-- Future enhancement to add company_id to result
--' (CASE WHEN EXISTS (SELECT cols.object_id AS DoesExist FROM sys.columns cols JOIN sys.tables tabl ON tabl.object_id = cols.object_id WHERE cols.name=''' + 'CompanyID' + ''' AND tabl.name=''' + @table_name + ''')' +
--', @company_id=(CASE WHEN EXISTS (SELECT *
-- FROM INFORMATION_SCHEMA.COLUMNS
-- WHERE TABLE_NAME=' + '''' + @table_name + '''' + '
-- AND COLUMN_NAME=' + '''' + 'CompanyID' + '''' + ')' + -- and schema name too, if you like
--' THEN [CompanyID]' +
--' ELSE 0 END)' +
' FROM ['+ @schema_name +'].['+ @table_name +']'+
' WHERE ' + @column_name + @SearchOperator + '''' + @SearchValue + '''' +
' GROUP BY ' + @column_name + ',CompanyID'
-- Execute the dynamic query and push its output to our variables.
--PRINT @SQL
EXECUTE sp_executeSQL @SQL, N'@row_count INT OUTPUT, @value_found varchar(128) OUTPUT, @company_id INT OUTPUT', @row_count=@row_count OUTPUT, @value_found=@value_found OUTPUT, @company_id=@company_id OUTPUT
-- Check to see if the query had results
IF (@row_count > 0)
-- If so, create an update (or delete) query to handle the rows found
BEGIN
-- Build the update query
SET @USQL = 'UPDATE ' + '['+ @schema_name +'].['+ @table_name +']' +
' SET ' + @column_name + '=''' + @NewValue + '''' +
' WHERE ' + @column_name + '=''' + @value_found + ''''
-- Build the delete query
SET @DSQL = 'DELETE FROM ' + '['+ @schema_name +'].['+ @table_name +']' +
' WHERE ' + @column_name + '=''' + @value_found + ''''
-- Insert the result into the virtual @meta table
INSERT INTO @meta ([schema_name], [table_name], [column_name], [search_value], [value_found], [row_count], [update_script], [delete_script], [company_id])
VALUES (@schema_name, @table_name, @column_name, @SearchValue, @value_found, @row_count, @USQL, @DSQL, @company_id)
END
-- Keep fetching and go back to while
FETCH NEXT FROM C
INTO @schema_name, @table_name, @column_name
END
-- Finished fetching, close and deallocate cursor
CLOSE C
DEALLOCATE C
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