services/api/db/migrate/20210816191509_drop_fts_index.rb

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: AGPL-3.0
   4
   5 class DropFtsIndex < ActiveRecord::Migration[5.2]
   6   def fts_indexes
   7     {
   8       "collections" => "collections_full_text_search_idx",
   9       "container_requests" => "container_requests_full_text_search_idx",
  10       "groups" => "groups_full_text_search_idx",
  11       "jobs" => "jobs_full_text_search_idx",
  12       "pipeline_instances" => "pipeline_instances_full_text_search_idx",
  13       "pipeline_templates" => "pipeline_templates_full_text_search_idx",
  14       "workflows" => "workflows_full_text_search_idx",
  15     }
  16   end
  17
  18   def up
  19     fts_indexes.keys.each do |t|
  20       i = fts_indexes[t]
  21       execute "DROP INDEX IF EXISTS #{i}"
  22     end
  23   end
  24
  25   def down
  26     fts_indexes.keys.each do |t|
  27       i = fts_indexes[t]
  28       execute "CREATE INDEX #{i} ON #{t} USING gin(#{t.classify.constantize.full_text_tsvector})"
  29     end
  30   end
  31 end