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provide one-liner for counter_cache migration via rails g m

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Felix Wolfsteller 2017-04-18 15:57:48 +02:00
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@ -175,6 +175,10 @@ It is as simple as this:
t.integer :my_column_name, :default => 0 t.integer :my_column_name, :default => 0
If you want to use the typical Rails 4 migration generator, you can:
rails g migration AddImpressionsCountToBook impressions_count:int
What if I only want to record unique impressions? What if I only want to record unique impressions?
------------------------------------------------- -------------------------------------------------
Maybe you only care about unique impressions and would like to avoid Maybe you only care about unique impressions and would like to avoid