13 lines
465 B
Ruby
13 lines
465 B
Ruby
class ShortenTopicCustomFieldsIndex < ActiveRecord::Migration[4.2]
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def up
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remove_index :topic_custom_fields, :value
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add_index :topic_custom_fields, [:value, :name],
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name: 'topic_custom_fields_value_key_idx',
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where: 'value IS NOT NULL AND char_length(value) < 400'
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end
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def down
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remove_index :topic_custom_fields, :value, name: 'topic_custom_fields_value_key_idx'
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add_index :topic_custom_fields, :value
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end
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end
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