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44 lines
2 KiB
Markdown
44 lines
2 KiB
Markdown
Title: Intelligent Migration Snippets 0.1 for TextMate
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Date: February 22, 2006
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Timestamp: 1140607680
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Author: sjs
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Tags: mac os x, textmate, rails, hacking, migrations, snippets
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----
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*This should be working now. I've tested it under a new user account here.*
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*This does requires the syncPeople bundle to be installed to work. That's ok, because you should get the [syncPeople on Rails bundle][syncPeople] anyways.*
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When writing database migrations in Ruby on Rails it is common to create a table in the `self.up` method and then drop it in `self.down`. The same goes for adding, removing and renaming columns.
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I wrote a Ruby program to insert code into both methods with a single snippet. All the TextMate commands and macros that you need are included.
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### See it in action ###
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I think this looks cool in action. Plus I like to show off what what TextMate can do to people who may not use it, or don't have a Mac. It's just over 30 seconds long and weighs in at around 700kb.
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<p style="text-align: center">
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<img src="/images/download.png" title="Download" alt="Download">
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<a href="/f/ims-demo.mov">Download Demo Video</a>
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</p>
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### Features ###
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There are 3 snippets which are activated by the following tab triggers:
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* __mcdt__: Migration Create and Drop Table
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* __marc__: Migration Add and Remove Column
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* __mnc__: Migration Rename Column
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### Installation ###
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Run **Quick Install.app** to install these commands to your <a [syncPeople on Rails bundle](syncPeople) if it exists, and to the default Rails bundle otherwise. (I highly recommend you get the syncPeople bundle if you haven't already.)
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<p style="text-align: center">
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<img src="/images/download.png" title="Download" alt="Download">
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<a href="/f/IntelligentMigrationSnippets-0.1.dmg">Download Intelligent Migration Snippets</a>
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</p>
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This is specific to Rails migrations, but there are probably other uses for something like this. You are free to use and distribute this code.
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[syncPeople]: http://blog.inquirylabs.com/
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