Make tag search case insensitive again (#4184)

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unarist 2017-07-14 02:31:33 +09:00 committed by Eugen Rochko
parent c29c20ab3c
commit c2753fdfb4
4 changed files with 23 additions and 3 deletions

View File

@ -23,7 +23,7 @@ class Tag < ApplicationRecord
class << self
def search_for(term, limit = 5)
pattern = sanitize_sql_like(term) + '%'
Tag.where('name like ?', pattern).order(:name).limit(limit)
Tag.where('lower(name) like lower(?)', pattern).order(:name).limit(limit)
end
end
end

View File

@ -0,0 +1,11 @@
class MakeTagSearchCaseInsensitive < ActiveRecord::Migration[5.1]
def up
remove_index :tags, name: :hashtag_search_index
execute 'CREATE INDEX hashtag_search_index ON tags (lower(name) text_pattern_ops);'
end
def down
remove_index :tags, name: :hashtag_search_index
execute 'CREATE INDEX hashtag_search_index ON tags (name text_pattern_ops);'
end
end

View File

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20170711225116) do
ActiveRecord::Schema.define(version: 20170713112503) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -332,7 +332,7 @@ ActiveRecord::Schema.define(version: 20170711225116) do
t.string "name", default: "", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index "name text_pattern_ops", name: "hashtag_search_index"
t.index "lower((name)::text) text_pattern_ops", name: "hashtag_search_index"
t.index ["name"], name: "index_tags_on_name", unique: true
end

View File

@ -27,6 +27,15 @@ RSpec.describe Tag, type: :model do
expect(results).to eq [tag]
end
it 'finds tag records in case insensitive' do
tag = Fabricate(:tag, name: "MATCH")
_miss_tag = Fabricate(:tag, name: "miss")
results = Tag.search_for("match")
expect(results).to eq [tag]
end
it 'finds the exact matching tag as the first item' do
similar_tag = Fabricate(:tag, name: "matchlater")
tag = Fabricate(:tag, name: "match")