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# frozen_string_literal: true
# See https://docs.gitlab.com/ee/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class DropIndexDeploymentsOnEnvironmentIdAndIidAndProjectId < Gitlab::Database::Migration[2.1]
INDEX_NAME = 'index_deployments_on_environment_id_and_iid_and_project_id'
disable_ddl_transaction!
def up
remove_concurrent_index_by_name :deployments, name: INDEX_NAME
end
def down
# This is based on the following `CREATE INDEX` command in db/init_structure.sql:
# CREATE INDEX index_deployments_on_environment_id_and_iid_and_project_id ON deployments
# USING btree (environment_id, iid, project_id);
add_concurrent_index :deployments, %i[environment_id iid project_id], name: INDEX_NAME
end
end
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