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FIX: custom field index must only index short values

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Sam 2016-05-20 12:35:09 +10:00
parent 2c2c47fe4e
commit 0cf5a1705a
1 changed files with 12 additions and 0 deletions
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db/migrate/20160520022627_shorten_topic_custom_fields_index.rb Normal file
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class ShortenTopicCustomFieldsIndex < ActiveRecord::Migration
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