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Logging ORM activity

From: ColdFusion 9 New Features

Video: Logging ORM activity

If you're anything like me, using ORM the first time around is pretty scary. I have been writing my own SQL statements for well over a decade and it goes against my controlling nature to turn all of that oh-so important work, over to the ORM black box inside ColdFusion 9. Luckily, Adobe has provided a way to let us take a peek under the covers to see exactly what SQL is getting run when we execute any ORM actions. In this video, I am going to show you how to turn on ColdFusion 9's ORM SQL logging and keep an eye on what's going on in your application.

Logging ORM activity

If you're anything like me, using ORM the first time around is pretty scary. I have been writing my own SQL statements for well over a decade and it goes against my controlling nature to turn all of that oh-so important work, over to the ORM black box inside ColdFusion 9. Luckily, Adobe has provided a way to let us take a peek under the covers to see exactly what SQL is getting run when we execute any ORM actions. In this video, I am going to show you how to turn on ColdFusion 9's ORM SQL logging and keep an eye on what's going on in your application.

So to turn on the SQL logging, Application.cfc file inside Chapter5, we are just going to add one attribute to the ORM settings that we have set up in the previous video. So, I am going to add logsql = "true" and that's all it takes to start taking a look at what's going on inside of the ORM functionality in ColdFusion. So, let's open up hibernate.cfm and we have the same EntityLoad statement that we also used in a previous video. If I go ahead and show the console inside CF Builder, I will be able to take a look at what's going on inside my SQL statements.

But I need to make sure that if I've just turned on SQL logging, that I reload the ORM configuration. So, let's go ahead and add that up to the top here. I will do cfset ORMReload. So, we can make sure that the ORM configuration gets reloaded and SQL logging gets turned on. So, I will save my file and preview it and in the Console here, let's go ahead and make this larger. We can see that it's using log4j, an open -source Java logging application to log all of our hibernated SQL.

So, we can see exactly what it has run on our SQL Server. Now because ColdFusion 9 uses log4j, if you know how to edit the log4j properties, you could log your SQL information on to a flat file, send it via e-mail or SMS or use any other type of logging output that log4j supports. Hopefully, you can now feel a little better about using ColdFusion 9's ORM functionality. Just remember not to leave the SQL logging enabled in a production environment, as it could have a negative impact on the performance of your application, as all of this logging happens in the background.

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This video is part of

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ColdFusion 9 New Features

36 video lessons · 2905 viewers

Daniel Short
Author

 
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  1. 4m 30s
    1. Welcome
      53s
    2. Using the exercise files
      3m 37s
  2. 7m 48s
    1. Adding managing and comparing servers
      5m 26s
    2. Monitoring server health
      2m 22s
  3. 22m 10s
    1. Setting the default data source and SMTP
      5m 6s
    2. Getting programmatic debugging and exception handling
      5m 54s
    3. Reviewing the new onCFCRequest method
      5m 29s
    4. Using ApplicationStop()
      2m 24s
    5. Working with Server.cfc and onServerStart
      3m 17s
  4. 17m 45s
    1. Using ternary and chained operations
      5m 46s
    2. Using New and Import
      4m 2s
    3. Reviewing CFScript enhancements
      7m 57s
  5. 20m 23s
    1. Building with implicit getters and setters
      4m 26s
    2. Working with LOCAL scope in functions
      4m 35s
    3. Serializing objects
      6m 6s
    4. Writing components in CFScript
      5m 16s
  6. 19m 27s
    1. Getting started with ORM
      5m 51s
    2. Logging ORM activity
      2m 13s
    3. Saving objects to the database
      6m 10s
    4. Defining table relationships
      5m 13s
  7. 16m 59s
    1. Caching page fragments
      5m 29s
    2. Managing the cache
      4m 48s
    3. Working with in-memory files using VFS (RAM disks)
      6m 42s
  8. 12m 39s
    1. Working with Excel spreadsheets
      4m 56s
    2. Working with Word documents
      4m 4s
    3. Working with PowerPoint presentations
      3m 39s
  9. 28m 58s
    1. Loading Google maps with markers onto a page
      4m 53s
    2. Adding a Flash movie with the built-in FLV player
      2m 14s
    3. Using multi-file upload control
      6m 7s
    4. Building a progress indicator
      3m 37s
    5. Working with accordion layouts
      3m 18s
    6. Showing information with data grid enhancements
      5m 1s
    7. Informing users with Confirm Alert and Prompt dialog boxes
      3m 48s
  10. 9m 8s
    1. Accessing IMAP accounts
      6m 31s
    2. Working with the new array functions
      2m 37s
  11. 15s
    1. Goodbye
      15s

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