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c6904c0d37
This should not be an issue in practice because of the Rails-level uniqueness check, but local accounts having a NULL domain means the uniqueness constraint did not apply to them (since no two NULL values are considered equal).
16 lines
959 B
Ruby
16 lines
959 B
Ruby
class AddFixedLowercaseIndexToAccounts < ActiveRecord::Migration[5.2]
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disable_ddl_transaction!
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def up
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rename_index :accounts, 'index_accounts_on_username_and_domain_lower', 'old_index_accounts_on_username_and_domain_lower' unless index_name_exists?(:accounts, 'old_index_accounts_on_username_and_domain_lower')
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add_index :accounts, "lower (username), COALESCE(lower(domain), '')", name: 'index_accounts_on_username_and_domain_lower', unique: true, algorithm: :concurrently
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remove_index :accounts, name: 'old_index_accounts_on_username_and_domain_lower'
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end
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def down
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add_index :accounts, 'lower (username), lower(domain)', name: 'old_index_accounts_on_username_and_domain_lower', unique: true, algorithm: :concurrently
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remove_index :accounts, name: 'index_accounts_on_username_and_domain_lower'
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rename_index :accounts, 'old_index_accounts_on_username_and_domain_lower', 'index_accounts_on_username_and_domain_lower'
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end
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end
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