Add index on deployable_type/id for deployments
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---
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title: Add index on deployable_type/id for deployments
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merge_request:
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author:
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type: performance
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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 AddIndexOnDeployableForDeployments < ActiveRecord::Migration
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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 :deployments, [:deployable_type, :deployable_id]
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end
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def down
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remove_concurrent_index :deployments, [:deployable_type, :deployable_id]
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end
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end
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@ -11,7 +11,7 @@
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#
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# It's strongly recommended that you check this file into your version control system.
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ActiveRecord::Schema.define(version: 20180608201435) do
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ActiveRecord::Schema.define(version: 20180626125654) do
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# These are extensions that must be enabled in order to support this database
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enable_extension "plpgsql"
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@ -757,6 +757,7 @@ ActiveRecord::Schema.define(version: 20180608201435) do
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end
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add_index "deployments", ["created_at"], name: "index_deployments_on_created_at", using: :btree
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add_index "deployments", ["deployable_type", "deployable_id"], name: "index_deployments_on_deployable_type_and_deployable_id", using: :btree
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add_index "deployments", ["environment_id", "id"], name: "index_deployments_on_environment_id_and_id", using: :btree
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add_index "deployments", ["environment_id", "iid", "project_id"], name: "index_deployments_on_environment_id_and_iid_and_project_id", using: :btree
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add_index "deployments", ["project_id", "iid"], name: "index_deployments_on_project_id_and_iid", unique: true, using: :btree
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