2019-02-15 15:39:39 +05:30
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class AddUniqueConstraintToProjectMirrorDataProjectIdIndex < ActiveRecord::Migration[4.2]
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2018-10-15 14:42:47 +05:30
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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add_concurrent_index(:project_mirror_data,
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:project_id,
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unique: true,
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name: 'index_project_mirror_data_on_project_id_unique')
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remove_concurrent_index_by_name(:project_mirror_data, 'index_project_mirror_data_on_project_id')
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rename_index(:project_mirror_data,
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'index_project_mirror_data_on_project_id_unique',
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'index_project_mirror_data_on_project_id')
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end
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def down
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rename_index(:project_mirror_data,
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'index_project_mirror_data_on_project_id',
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'index_project_mirror_data_on_project_id_old')
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add_concurrent_index(:project_mirror_data, :project_id)
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remove_concurrent_index_by_name(:project_mirror_data,
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'index_project_mirror_data_on_project_id_old')
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end
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end
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