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xapian-core/xapian-core-1.4.20.tar.xz

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Accepting request 989717 from home:dirkmueller:Factory - update to 1.4.20: * Throw DatabaseNotFoundError when the database directory doesn't exist or when it doesn't contain a Xapian database. Patch from Germán Méndez Bravo in https://github.com/xapian/xapian/pull/258 * Improve exception message for attempting to remove an empty term (the exception type is still InvalidArgumentError). Reported by David Bremner. * Optimise when a value range is a superset of the slot bounds but the value slot frequency is not equal to the document count by replacing the lower bound with an empty string to make the bounds check very cheap. * Avoid creating a PostList tree for an empty shard. This avoids pointless work in an uncommon case, but also by handling this up front the code in PostList subclasses for query operators can assume the shard isn't empty which simplifies the code in several places. * Remove lingering handling for database backends without slot bounds since all backends have been required to support these since 1.4.11. * Fix collection frequency estimates for positional operators. This affects the weighting of positional operators in subqueries of OP_SYNONYM with weighting schemes which use the collection frequency. * xapian-check: Test decompress data in the spelling and synonym tables. We don't have structure checking for these tables, but we can at least fetch each entry and check for decompression problems. * Improve error if a block is detected as overwritten in WritableDatabase. Drop "are there multiple writers?" as it's rarely a useful question to ask since we started using fcntl() locking as it's now very hard to get multiple concurrent writers on a database. Instead suggest running xapian-check, which is probably the best next step for a user who hits this problem. OBS-URL: https://build.opensuse.org/request/show/989717 OBS-URL: https://build.opensuse.org/package/show/server:search/xapian-core?expand=0&rev=99
2022-07-19 10:41:14 +00:00
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