Comments on: checking table existence in Rails' migrations http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/ The Life of Me Mon, 09 Jan 2012 15:42:26 +0000 hourly 1 http://wordpress.org/?v=7963 By: Graham Swan http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/comment-page-1/#comment-18706 Graham Swan Sun, 27 Nov 2011 08:34:31 +0000 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/#comment-18706 You could also use Rails' built-in force parameter:<br><br>create_table :some_table, :force => true do |t|<br>  t.integer user_id, :null => false<br>end<br><br>This forces a new table to be created even if a current table with that name exists. You could also use Rails' built-in force parameter:

create_table :some_table, :force => true do |t|
  t.integer user_id, :null => false
end

This forces a new table to be created even if a current table with that name exists.

]]> By: Raf http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/comment-page-1/#comment-18680 Raf Fri, 12 Feb 2010 04:43:18 +0000 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/#comment-18680 Here is my approach to solve the problem: <br> <br><a href="http://github.com/rafmagana/database_utils" rel="nofollow">http://github.com/rafmagana/da...</a> <br> <br>after using that code you can do this in a migration: <br> <br>:users.table_exists? <br>"users".table_exists? <br>:users.column_exists? :name <br> <br>see you Here is my approach to solve the problem:

http://github.com/rafmagana/da...

after using that code you can do this in a migration:

:users.table_exists?

"users".table_exists?

:users.column_exists? :name

see you

]]> By: Raf http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/comment-page-1/#comment-18493 Raf Thu, 11 Feb 2010 23:43:18 +0000 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/#comment-18493 Here is my approach to solve the problem: <br><br><a href="http://github.com/rafmagana/database_utils" rel="nofollow">http://github.com/rafmagana/database_utils</a><br><br>after using that code you can do this in a migration:<br><br>:users.table_exists?<br>"users".table_exists?<br>:users.column_exists? :name<br><br>see you Here is my approach to solve the problem:

http://github.com/rafmagana/database_utils

after using that code you can do this in a migration:

:users.table_exists?
"users".table_exists?
:users.column_exists? :name

see you

]]> By: patelc75 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/comment-page-1/#comment-18480 patelc75 Tue, 03 Nov 2009 05:46:33 +0000 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/#comment-18480 Actually, it should be<br><code>Model.columns_hash.has_key?("column_name")</code> Actually, it should be
Model.columns_hash.has_key?("column_name")

]]> By: Chirag Patel http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/comment-page-1/#comment-18316 Chirag Patel Fri, 20 Feb 2009 10:16:44 +0000 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/#comment-18316 Here's something quick to check for a column:<br><code>Model.columns_hash.has_key("column_name")?</code> Here's something quick to check for a column:
Model.columns_hash.has_key("column_name")?

]]> By: Jean J Abts http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/comment-page-1/#comment-18315 Jean J Abts Mon, 16 Feb 2009 07:22:56 +0000 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/#comment-18315 you are on my rss reader now you are on my rss reader now

]]> By: William A Iuchs http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/comment-page-1/#comment-18306 William A Iuchs Mon, 02 Feb 2009 08:08:04 +0000 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/#comment-18306 nice article! nice site. you're in my rss feed now ;-)<br>keep it up nice article! nice site. you're in my rss feed now ;-)
keep it up

]]> By: pete http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/comment-page-1/#comment-18291 pete Wed, 19 Nov 2008 23:48:45 +0000 http://coryforsyth.com/2008/03/27/checking-table-existence-in-rails-migrations/#comment-18291 Couldn't you use AR's <a href="http://api.rubyonrails.org/classes/ActiveRecord/Base.html#M001726">table_exists?<a/> method?</a></a> Couldn't you use AR's table_exists? method?

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