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Marcello Costagliola
edaab3e5d1
Search showed the last 100 matches by created_at, so SQLite collected every message containing the words and sorted them before keeping a page. A common word in a large account meant sorting most of its history on every search. Ordering by the full-text index's rowid, which is the message id, lets SQLite walk the index from the newest match and stop once the page is full. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01JVFo3Lt9T8M5NR7KxVvsZ2
45 lines
2.0 KiB
Ruby
45 lines
2.0 KiB
Ruby
require "test_helper"
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class Message::SearchableTest < ActiveSupport::TestCase
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test "message body is indexed and searchable" do
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message = rooms(:designers).messages.create! body: "My hovercraft is full of eels", client_message_id: "earth", creator: users(:david)
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assert_equal [ message ], rooms(:designers).messages.search("eel")
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message.update! body: "My hovercraft is full of sharks"
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assert_equal [ message ], rooms(:designers).messages.search("sharks")
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message.destroy!
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assert_equal [], rooms(:designers).messages.search("sharks")
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end
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test "search results are returned in message order" do
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messages = [ "first cat", "second cat", "third cat", "cat cat cat" ].map do |body|
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rooms(:designers).messages.create! body: body, client_message_id: body, creator: users(:david)
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end
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assert_equal messages, rooms(:designers).messages.search("cat")
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end
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test "the last page of matches holds the newest ones, read off the index without sorting every match" do
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messages = [ "first cat", "second cat", "third cat" ].map do |body|
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rooms(:designers).messages.create! body: body, client_message_id: body, creator: users(:david)
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end
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queries = []
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collect = ->(*, payload) { queries << payload[:sql] if payload[:sql].include?("message_search_index") }
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page = ActiveSupport::Notifications.subscribed(collect, "sql.active_record") do
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rooms(:designers).messages.search("cat").last_page_of_matches(2)
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end
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assert_equal messages.last(2), page
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assert_no_match(/TEMP B-TREE/, Message.connection.select_rows("EXPLAIN QUERY PLAN #{queries.sole}").map(&:last).join(" | "))
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end
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test "rich text body is converted to plain text for indexing" do
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message = rooms(:designers).messages.create! body: "<span>My hovercraft is full of eels</span>", client_message_id: "earth", creator: users(:david)
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assert_equal [], rooms(:designers).messages.search("span")
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assert_equal [ message ], rooms(:designers).messages.search("eel")
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end
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end
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