Newsletters



Sawmill Newsletter

  October 15, 2007



Welcome to the Sawmill Newsletter!

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News

Sawmill 7.2.10 shipped on August 4, 2007. This is a minor "bug fix" release, and it is free to existing Sawmill 7 users. It is not a critical update, but it does fix a number of bugs, adds support for many new log formats, and adds a few small features. It is recommended for anyone who is experiencing problems with Sawmill 7.2.9 or earlier. You can download it from http://sawmill.net/download.html .

This issue of the Sawmill Newsletter describes techniques for improving the performance of database updates.


Get the Most out of Sawmill with Professional Services

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Tips & Techniques: Creating Custom Reports

Sawmill creates a collection of "standard" reports when you create a profile, including the Overview, one report per non-aggregating database field, the Log Detail Report, session reports (if available), and Log Detail. But there is nothing "special" or "hard-coded" about these reports; they are just the default reports included in the profile, and you can create similar reports yourself, or edit or remove these default reports. This newsletter takes you through an example of creating a custom report.

Custom reports are available only in Sawmill Professional and Sawmill Enterprise; reports cannot be customized through the web interface in Sawmill Lite.

To start creating a custom report, start with a profile (create one if you don't have one, using Create Profile in the Admin page). Then:

  1. Go to the Config section of the profile, either by clicking Show Config next to the profile, in the profiles list, or by clicking Config in the reports interface of the profile.

  2. Then choose Manage Reports from the left menu.

  3. Click Reports/Reports Editor.

  4. Click New Report, in the upper-right corner of the reports list. The Report Editor appears:

New Report


  5. Choose a name for a report. In this case, we'll call this "Image File Types," by typing that in the Report Name field. We'd also like to have this report be accessible through the Reports Menu (the menu at the left of the Reports interface), so we leave Add new report to reports menu checked, and give it a name for the Reports Menu (in this case, the same name: "Image File Types"):

Named Report


  6. Each report contains one or more report elements. A report element is generally a table of data, with associated graphs. We will create a report with one element (the Single-page summary is an example of a report with multiple elements). To do this, click the Report Elements tab:

Report Elements


  7. Then, click New Report Element at the right, to create a new report element, and to begin editing it:

Edit Report Element


  8. The Type is Overview by default, but we don't want an Overview--we want a table report (specifically, a table of File Types). So choose "Standard table" as the Report Element Type. Then enter a Report element name ("Image File Types" again). This name doesn't usually appear anywhere, but if you have multiple elements, or if you explicitly turn on the name, it will appear in the reports:

Standard Table


  9. Now we have a table report element, but we have to tell Sawmill what fields will be in the table. This will be a table of file types, So click the Fields tab, and select "File type" from the Main field menu, and leave all the numerical fields intact:

Table Fields


  10. We could stop now, and we have re-created the File Types report, with a different name. But we'd also like to show only image file types, and we'd like a pie chart of them. First, add the pie, by clicking the Graphs tab, clicking one of the numerical fields (Hits in this example), and making it a pie by clicking Graph type and Pie chart):

Pie Chart


  11. We're done with the Report Element, so click OK to close the Report Element editor.

  12. At this point, if we stopped, the report would be a File Types report with a pie chart. But we still want to add a filter, so click back to Report Options tab in the Report Editor, and enter a report filter expression to select only the image file types (GIF and JPEG). The Salang expression to do this is "(file_type within 'GIF') or (file_type within 'JPEG') or (file_type within 'JPG') or (file_type within 'PNG')", so we enter that in the Report filter field:

Report Filter


  13. We're done! Click Save and Close to close the Report Editor, and then click Reports in the upper left to return to the Reports interface. At the bottom of the left menu, you will see our custom report, Image File Types; click that to see the custom report:

Image File Types


This shows all hits on GIF, JPEG, JPG, and PNG images in this dataset; this particular dataset had no JPG or PNG hits, so it shows just GIF and JPG lines.


Advanced Topics

This is just a small slice of what the Reports Editor can do.

  * In this example, we created a standard table report, but the report editor can also create "table with subtable" reports, where each row contains an indented table, breaking down the events for that row by a second field (e.g., the "Search Engines by Search Phrases" report, in a standard web log profile). The Reports Editor can also create other specialized types of reports, like Sessions Overview, Log Detail, Session Paths, and more.

  * In this example, we created a single pie chart, but the Reports Editor can also create bar charts or line graphs. The charts also have many options, controlling their size, colors, legends, and more.

  * In this example, we created a report with a single report element; in the Report Editor, you can create reports with many report elements, like the standard Single-page Summary.

  * In this example, we just left the report at the bottom of the Reports Menu, but it can be moved to the middle or the top, put into a new or existing group, or hidden entirely, using the Reports Menu Editor (click Edit Reports Menu at the top right of the Reports/Reports Menu page).


Questions or suggestions? Contact support@sawmill.net. If would you like a Sawmill Professional Services expert to implement this, or another customization, contact consulting@sawmill.net.


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