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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.
class RemovePermanentFromRedirectRoutes < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
INDEX_NAME_PERM = "index_redirect_routes_on_path_text_pattern_ops_where_permanent"
INDEX_NAME_TEMP = "index_redirect_routes_on_path_text_pattern_ops_where_temporary"
def up
# These indexes were created on Postgres only in:
# ReworkRedirectRoutesIndexes:
# https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/16211
disable_statement_timeout do
execute "DROP INDEX CONCURRENTLY IF EXISTS #{INDEX_NAME_PERM};"
execute "DROP INDEX CONCURRENTLY IF EXISTS #{INDEX_NAME_TEMP};"
end
remove_column(:redirect_routes, :permanent)
end
def down
add_column(:redirect_routes, :permanent, :boolean)
disable_statement_timeout do
execute("CREATE INDEX CONCURRENTLY #{INDEX_NAME_PERM} ON redirect_routes (lower(path) varchar_pattern_ops) where (permanent);")
execute("CREATE INDEX CONCURRENTLY #{INDEX_NAME_TEMP} ON redirect_routes (lower(path) varchar_pattern_ops) where (not permanent or permanent is null) ;")
end
end
end
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