dda5f71124
Add warning about MySQL collation Fix database index length This allows new databases to be created with utf8mb4, on MySQL. The maximum column size is 767 bytes. Each character is 4 bytes long -> 767 / 4 = 191 characters for the column.
17 lines
583 B
Ruby
17 lines
583 B
Ruby
class CreateChatContacts < ActiveRecord::Migration
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def up
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create_table :chat_contacts do |t|
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t.integer :user_id, null: false
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## JID <= 3071 bytes http://tools.ietf.org/html/rfc6122
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t.string :jid, limit: 3071, null: false
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t.string :name, limit: 255, null: true
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t.string :ask, limit: 128, null: true
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t.string :subscription, limit: 128, null: false
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end
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add_index :chat_contacts, [:user_id, :jid], unique: true, length: {"jid": 100}
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end
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def down
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drop_table :chat_contacts
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end
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end
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