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Full text search: Fix error when using restrict searched books and more than 900 books are present in the searched list. Fixes #1983230 [FTS - Restricting returns error](https://bugs.launchpad.net/calibre/+bug/1983230)

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Kovid Goyal 2022-08-02 19:47:16 +05:30
parent 5f67cc961e
commit 64ea016aa1
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1 changed files with 4 additions and 5 deletions
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9
src/calibre/db/fts/connect.py
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@ -9,7 +9,6 @@ import hashlib
import os
import sys
from contextlib import suppress
from itertools import repeat
from threading import Lock
from calibre.db import FTSQueryError
@ -169,14 +168,14 @@ class FTS:
query += f' JOIN {fts_table} ON fts_db.books_text.id = {fts_table}.rowid'
query += ' WHERE '
data = []
conn = self.get_connection()
if restrict_to_book_ids:
pl = ','.join(repeat('?', len(restrict_to_book_ids)))
query += f' fts_db.books_text.book IN ({pl}) AND '
data.extend(restrict_to_book_ids)
conn.execute('CREATE TABLE IF NOT EXISTS temp.restrict_fts_items(x INTEGER); DELETE FROM temp.restrict_fts_items;')
conn.executemany('INSERT INTO temp.restrict_fts_items VALUES (?)', tuple((x,) for x in restrict_to_book_ids))
query += ' fts_db.books_text.book IN temp.restrict_fts_items AND '
query += f' "{fts_table}" MATCH ?'
data.append(fts_engine_query)
query += f' ORDER BY {fts_table}.rank '
conn = self.get_connection()
try:
for record in conn.execute(query, tuple(data)):
ret = yield {