26 lines
771 B
Ruby
26 lines
771 B
Ruby
class AddLikes < ActiveRecord::Migration
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def self.up
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result = execute("SELECT version FROM schema_migrations WHERE version = '201110319172136'")
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if result.count > 0
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execute("DELETE FROM schema_migrations WHERE version = '201110319172136'")
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else
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create_table :likes do |t|
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t.boolean :positive, :default => true
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t.integer :post_id
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t.integer :author_id
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t.string :guid
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t.text :author_signature
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t.text :parent_author_signature
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t.timestamps
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end
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add_index :likes, :guid, :unique => true
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add_index :likes, :post_id
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add_foreign_key(:likes, :posts)
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add_foreign_key(:likes, :people, :column => :author_id)
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end
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end
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def self.down
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drop_table :likes
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end
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end
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