Index project_group_links.group_id
This column is used when refreshing authorizations and without the index leads to a sequence scan being performed on this table.
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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class AddIndexProjectGroupLinksGroupId < ActiveRecord::Migration
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include Gitlab::Database::MigrationHelpers
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# Set this constant to true if this migration requires downtime.
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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_group_links, :group_id
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end
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def down
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remove_concurrent_index :project_group_links, :group_id
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end
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end
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@ -925,6 +925,8 @@ ActiveRecord::Schema.define(version: 20170508190732) do
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t.date "expires_at"
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end
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add_index "project_group_links", ["group_id"], name: "index_project_group_links_on_group_id", using: :btree
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create_table "project_import_data", force: :cascade do |t|
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t.integer "project_id"
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t.text "data"
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