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FIX: Add unique index to prevent duplicate slugs for categories

This commit is contained in:
Daniel Waterworth 2019-10-08 14:00:05 +01:00
parent 5f5b232cde
commit c71da3f335
2 changed files with 13 additions and 0 deletions
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1
app/models/category.rb
View File

@ -890,4 +890,5 @@ end
# index_categories_on_search_priority (search_priority)
# index_categories_on_topic_count (topic_count)
# unique_index_categories_on_name (COALESCE(parent_category_id, '-1'::integer), name) UNIQUE
# unique_index_categories_on_slug (COALESCE(parent_category_id, '-1'::integer), slug) UNIQUE
#

12
db/migrate/20191008124357_add_unique_index_categories_on_slug.rb Normal file
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@ -0,0 +1,12 @@
# frozen_string_literal: true
class AddUniqueIndexCategoriesOnSlug < ActiveRecord::Migration[6.0]
def change
add_index(
:categories,
'COALESCE(parent_category_id, -1), slug',
name: 'unique_index_categories_on_slug',
unique: true
)
end
end