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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
37 lines
1.2 KiB
Ruby
37 lines
1.2 KiB
Ruby
module Message::Searchable
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extend ActiveSupport::Concern
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included do
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after_create_commit :create_in_index
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after_update_commit :update_in_index
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after_destroy_commit :remove_from_index
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scope :search, ->(query) { joins("join message_search_index idx on messages.id = idx.rowid").where("idx.body match ?", query).ordered }
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end
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class_methods do
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# Orders by the index's rowid, which is the message id, so SQLite walks the full-text index
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# newest first and stops at the page. Ordering by created_at sorted every match before paging.
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def last_page_of_matches(size)
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Message::Pagination::Page.load(reorder("idx.rowid"), :last, size)
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end
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end
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private
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def create_in_index
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execute_sql_with_binds "insert into message_search_index(rowid, body) values (?, ?)", id, plain_text_body
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end
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def update_in_index
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execute_sql_with_binds "update message_search_index set body = ? where rowid = ?", plain_text_body, id
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end
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def remove_from_index
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execute_sql_with_binds "delete from message_search_index where rowid = ?", id
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end
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def execute_sql_with_binds(*statement)
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self.class.connection.execute self.class.sanitize_sql(statement)
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end
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end
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