trabajo-afectivo/db/migrate/20190405000001_database_indexes.rb

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# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
class DatabaseIndexes < ActiveRecord::Migration[5.1]
def change
# return if it's a new setup
return if !Setting.exists?(name: 'system_init_done')
map = {
activity_streams: [
{
columns: %i[permission_id group_id],
},
{
columns: %i[permission_id group_id created_at],
name: 'index_activity_streams_on_permission_id_group_id_created_at',
},
],
stores: [
{
columns: [:store_file_id],
},
],
cti_caller_ids: [
{
columns: %i[object o_id level user_id caller_id],
name: 'index_cti_caller_ids_on_object_o_id_level_user_id_caller_id',
},
],
tickets: [
{
columns: [:updated_at],
},
{
columns: %i[customer_id state_id created_at],
},
{
columns: %i[group_id state_id updated_at],
},
{
columns: %i[group_id state_id owner_id updated_at],
name: 'index_tickets_on_group_id_state_id_owner_id_updated_at',
},
{
columns: %i[group_id state_id created_at],
},
{
columns: %i[group_id state_id owner_id created_at],
name: 'index_tickets_on_group_id_state_id_owner_id_created_at',
},
{
columns: %i[group_id state_id close_at],
},
{
columns: %i[group_id state_id owner_id close_at],
name: 'index_tickets_on_group_id_state_id_owner_id_close_at',
},
]
}
map.each do |table, indexes|
indexes.each do |index|
params = [table, index[:columns]]
params.push(name: index[:name]) if index[:name]
next if index_exists?(*params)
add_index(*params)
end
end
end
end