discourse/db/migrate/20160520022627_shorten_topi...

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# frozen_string_literal: true
class ShortenTopicCustomFieldsIndex < ActiveRecord::Migration[4.2]
def up
remove_index :topic_custom_fields, :value
add_index :topic_custom_fields, [:value, :name],
name: 'topic_custom_fields_value_key_idx',
where: 'value IS NOT NULL AND char_length(value) < 400'
end
def down
remove_index :topic_custom_fields, :value, name: 'topic_custom_fields_value_key_idx'
add_index :topic_custom_fields, :value
end
end