debian-mirror-gitlab/db/migrate/20180504195842_project_name_lower_index.rb

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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
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class ProjectNameLowerIndex < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
INDEX_NAME = 'index_projects_on_lower_name'
disable_ddl_transaction!
def up
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disable_statement_timeout do
execute "CREATE INDEX CONCURRENTLY #{INDEX_NAME} ON projects (LOWER(name))"
end
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end
def down
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disable_statement_timeout do
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execute "DROP INDEX CONCURRENTLY IF EXISTS #{INDEX_NAME}"
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end
end
end