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Add more accurate hashtag search (#11579)

* Add more accurate hashtag search

Using ElasticSearch to index hashtags with edge n-grams and score
them by usage within the last 7 days since last activity. Only
hashtags that have been reviewed and are listable can appear in
searches, unless they match the query exactly

* Fix search analyzer dropping non-ascii characters
This commit is contained in:
Eugen Rochko 2019-08-18 03:45:51 +02:00 committed by GitHub
parent 3a77090d01
commit cc0a55cf9a
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10 changed files with 149 additions and 13 deletions

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class AddLastStatusAtToTags < ActiveRecord::Migration[5.2]
def change
add_column :tags, :last_status_at, :datetime
add_column :tags, :last_trend_at, :datetime
end
end