23 lines
625 B
Ruby
23 lines
625 B
Ruby
class AddNameWithOwnerToProject < ActiveRecord::Migration
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def up
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add_column :projects, :owner_uname, :string
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execute <<-SQL
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UPDATE projects SET owner_uname = owners.uname
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FROM users as owners
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WHERE projects.owner_type = 'User' AND projects.owner_id = owners.id
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SQL
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execute <<-SQL
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UPDATE projects SET owner_uname = owners.uname
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FROM groups as owners
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WHERE projects.owner_type = 'Group' AND projects.owner_id = owners.id
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SQL
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change_column :projects, :owner_uname, :string, null: false
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end
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def down
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remove_column :projects, :owner_uname
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end
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end
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