43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
CREATE TABLE chat (
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file_name TEXT PRIMARY KEY NOT NULL,
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title TEXT NOT NULL,
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content TEXT NOT NULL
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);
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CREATE VIRTUAL TABLE chat_fts
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USING fts5(
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title,
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content,
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content=chat,
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tokenize="trigram"
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);
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-- Triggers to keep the FTS index up to date.
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CREATE TRIGGER chat_after_insert AFTER INSERT ON chat BEGIN
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INSERT INTO
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chat_fts(rowid, title, content)
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VALUES (new.rowid, new.title, new.content);
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END;
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CREATE TRIGGER chat_after_delete AFTER DELETE ON chat BEGIN
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INSERT INTO
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chat_fts(chat_fts, rowid, title, content)
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VALUES('delete', old.rowid, old.title, old.content);
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END;
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CREATE TRIGGER chat_after_update AFTER UPDATE ON chat BEGIN
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INSERT INTO
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chat_fts(chat_fts, rowid, title, content)
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VALUES('delete', old.rowid, old.title, old.content);
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INSERT INTO
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chat_fts(chat_fts, title, content)
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VALUES (new.rowid, new.title, new.content);
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END;
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chatQuery:
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SELECT
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c.file_name,
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highlight(chat_fts, 0, :beforeMatch, :afterMatch) AS title,
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snippet(chat_fts, 1, :beforeMatch, :afterMatch, :ellipsis, :snippetLength) AS content_snippet
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FROM chat_fts(:query) fts
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INNER JOIN
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chat c ON c.rowid = fts.rowid
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ORDER BY RANK; |