Optimize database index for id and iid
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12a73596cc
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2 changed files with 17 additions and 10 deletions
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@ -4,21 +4,27 @@ class AddIndexToDeployments < ActiveRecord::Migration
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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SHORT_INDEX_NAME = 'index_deployments_on_deployed_for_finished_at'
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SHORT_INDEX_NAME_FOR_ENVIRONMENT_ID = 'index_deployments_on_env_deployed_for_id'
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SHORT_INDEX_NAME_FOR_ENVIRONMENT_IID = 'index_deployments_on_env_deployed_for_iid'
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SHORT_INDEX_NAME_FOR_FINISHED_AT = 'index_deployments_on_deployed_for_finished_at'
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disable_ddl_transaction!
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def up
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add_concurrent_index :deployments, [:project_id, :action, :status]
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add_concurrent_index :deployments, [:environment_id, :action, :status]
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add_concurrent_index :deployments, [:project_id, :action, :status, :id]
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add_concurrent_index :deployments, [:project_id, :action, :status, :iid]
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add_concurrent_index :deployments, [:project_id, :action, :status, :finished_at], name: SHORT_INDEX_NAME_FOR_FINISHED_AT
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add_concurrent_index :deployments, [:environment_id, :action, :status, :id], name: SHORT_INDEX_NAME_FOR_ENVIRONMENT_ID
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add_concurrent_index :deployments, [:environment_id, :action, :status, :iid], name: SHORT_INDEX_NAME_FOR_ENVIRONMENT_IID
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add_concurrent_index :deployments, [:environment_id, :action, :sha]
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add_concurrent_index :deployments, [:project_id, :action, :status, :finished_at], name: SHORT_INDEX_NAME
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end
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def down
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remove_concurrent_index :deployments, [:project_id, :action, :status]
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remove_concurrent_index :deployments, [:environment_id, :action, :status]
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remove_concurrent_index :deployments, [:project_id, :action, :status, :id]
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remove_concurrent_index :deployments, [:project_id, :action, :status, :iid]
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remove_concurrent_index_by_name(:deployments, SHORT_INDEX_NAME_FOR_FINISHED_AT)
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remove_concurrent_index_by_name(:deployments, SHORT_INDEX_NAME_FOR_ENVIRONMENT_ID)
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remove_concurrent_index_by_name(:deployments, SHORT_INDEX_NAME_FOR_ENVIRONMENT_IID)
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remove_concurrent_index :deployments, [:environment_id, :action, :sha]
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remove_concurrent_index_by_name(:deployments, SHORT_INDEX_NAME)
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end
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end
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@ -833,14 +833,15 @@ ActiveRecord::Schema.define(version: 20181106135939) do
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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", "action", "sha"], name: "index_deployments_on_environment_id_and_action_and_sha", using: :btree
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add_index "deployments", ["environment_id", "action", "status"], name: "index_deployments_on_environment_id_and_action_and_status", using: :btree
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add_index "deployments", ["environment_id", "action", "status", "id"], name: "index_deployments_on_env_deployed_for_id", using: :btree
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add_index "deployments", ["environment_id", "action", "status", "iid"], name: "index_deployments_on_env_deployed_for_iid", 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", ["environment_id", "status"], name: "index_deployments_on_environment_id_and_status", using: :btree
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add_index "deployments", ["finished_at"], name: "index_deployments_on_finished_at", using: :btree
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add_index "deployments", ["id"], name: "partial_index_deployments_for_legacy_successful_deployments", where: "((finished_at IS NULL) AND (status = 2))", using: :btree
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add_index "deployments", ["project_id", "action", "status", "finished_at"], name: "index_deployments_on_deployed_for_finished_at", using: :btree
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add_index "deployments", ["project_id", "action", "status"], name: "index_deployments_on_project_id_and_action_and_status", using: :btree
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add_index "deployments", ["project_id", "action", "status", "id"], name: "index_deployments_on_project_id_and_action_and_status_and_id", using: :btree
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add_index "deployments", ["project_id", "action", "status", "iid"], name: "index_deployments_on_project_id_and_action_and_status_and_iid", 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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add_index "deployments", ["project_id", "status"], name: "index_deployments_on_project_id_and_status", using: :btree
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