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004672aa6c
* Sort results by the name * Switch search method to simple `LIKE` matching instead of tsvector/tsquery Previously we used scores from ts_rank_cd() to sort results, but it didn't work because the function returns same score for all results. It's not for calculate similarity of single words. Sometimes this bug even push out exact matching tag from results. Additionally, PostgreSQL supports prefix searching with standard btree index. Using it offers simpler code, but also less index size and some speed.
29 lines
677 B
Ruby
29 lines
677 B
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: tags
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#
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# id :integer not null, primary key
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# name :string default(""), not null
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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class Tag < ApplicationRecord
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has_and_belongs_to_many :statuses
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HASHTAG_RE = /(?:^|[^\/\)\w])#([[:word:]_]*[[:alpha:]_][[:word:]_]*)/i
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validates :name, presence: true, uniqueness: true
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def to_param
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name
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end
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class << self
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def search_for(term, limit = 5)
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pattern = sanitize_sql_like(term) + '%'
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Tag.where('name like ?', pattern).order(:name).limit(limit)
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end
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end
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end
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