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Revisions of xapian-core

buildservice-autocommit accepted request 1007235 from

Antonio Larrosa (alarrosa) over 1 year ago (revision 102)

baserev update by copy to link target

Antonio Larrosa (alarrosa) accepted request 1007094 from

Dirk Mueller (dirkmueller) over 1 year ago (revision 101)

- update to 1.4.21:
  * Stop trying to check for incompatible C++ ABI between the compiler used to
    build xapian-core and the compiler used to build code using xapian-core.
  * Fix new warnings from GCC 12.
  * Avoid undefined value use when unpacking a key in a corrupted glass docdata
    table.  We now skip further checks on the entry in this case.
  * Merge allocations in MSVC directory reading compatibility code so we can
    allocate in a single malloc() call.
  * Add accept() wrapper which checks an assumption that Microsoft's SOCKET type
    only actually holds 32 bit values even in 64 bit platforms and throws an
    exception if violated.
  * Eliminate a use of sprintf.
  * Squash some unhelpful MSVC deprecation warnings.
  * Declare dummy invalid parameter handler noexcept to fix a warning from MSVC.
  * Include <stdlib.h> in configure check for sys_errlist as that's where it is
    with mingw and MSVC.

buildservice-autocommit accepted request 990888 from

Factory Maintainer (factory-maintainer) almost 2 years ago (revision 100)

baserev update by copy to link target

Dirk Mueller (dirkmueller) accepted request 989717 from

Dirk Mueller (dirkmueller) almost 2 years ago (revision 99)

- 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.

Dirk Mueller (dirkmueller) committed over 2 years ago (revision 98)

- update to 1.4.19:
  * New QueryParser::FLAG_NO_POSITIONS flag.  With this flag enabled, any query
    operations which would use positional information are replaced by the nearest
    equivalent which doesn't (so phrase searches, NEAR and ADJ will result in
    OP_AND).  This is intended to replace the automatic conversion of OP_PHRASE,
    etc to OP_AND when a database has no positional information, which will no
    longer happen in the release series after 1.4.
  * Give a compile error for code which adds a Database to WritableDatabase.
    Prior to 1.4.19, this compiled and effectively created a "black-hole" shard
    which quietly discarded any changes made to it.
    In 1.4.19 it's still possible to perform this operation by assigning the
    WritableDatabase to a Database first, which is harder to fix.  This case
    throws an exception on git master where it's easier to address.
  * Fix TermIterator::skip_to() with sharded databases which sometimes was
    failing to advance all the way to the requested term.  Uncovered while
    addressing warning from GCC's -Wduplicated-cond, reported by dcb in #816.
  * Clamp edit distance to one less than the length of the word we've been asked
    to correct, which makes the algorithm we use more efficient.  We already
    require suggestion to have at least one character in common, so the only
    change to suggestions is we'll no longer suggest corrections which are
    twice as long or longer even if the edit distance would allow it, which
    seems like an improvement in itself.
  * Minor optimisation expanding wildcards.
  * PostingIterator::get_description(): For an all-docs iterator on a glass
    database, get_description() would call get_docid() which isn't valid to
    do once the iterator has reached the end.
  * Expand allterms test coverage.
  * Fetch wdf upper bound from postlist which avoids an extra postlist table
    cursor seek per weighted query term, and also means we now use a per-shard
    wdf upper bound for local shards which will in typically give a tighter

buildservice-autocommit accepted request 864581 from

Dirk Mueller (dirkmueller) over 3 years ago (revision 97)

baserev update by copy to link target

Dirk Mueller (dirkmueller) accepted request 864450 from

Dirk Mueller (dirkmueller) over 3 years ago (revision 96)

- update to 1.4.18:
  * QueryParser::FLAG_ACCUMULATE: New flag.  Previously the unstem and stoplist
    data was always reset by a call to QueryParser::parse_query(), which makes
    sense if you use the same QueryParser object to parse a series of independent
    queries.  If you're using the same QueryParser object to parse several fields
    on the same query form, you may want to have the unstem and stoplist data
    combined for all of them, in which case you can use this flag to prevent this
    data from being reset.
  * QueryParser::unstem_begin(): Eliminate unnecessary copying of the data.
  * Fix typo in Swedish stopword list, syncing change made to Snowball by Daniel
    Gómez Villanueva.
  * Remove some French stop words with other meanings, syncing change made to
    Snowball by PhilippeOuellet.
  testsuite:
  * Run testcase testlock4 using backend chert, not just using glass
  * Skip testcase testlock4 on platforms that don't allow us to implement
    Database::locked() (which notably include GNU Hurd and Microsoft Windows).
  documentation:
  * List DB_NO_TERMLIST in the WritableDatabase constructor API documentation
    where we already list the other DB_* constants.
  portability:
  * Eliminate single use of std::mem_fun() which was deprecated in C++11 and
    removed in C++17.  Reported by Mateusz Pusz in #806.
  * Add missing includes for std::numeric_limits<>.  Reported by stac47 in #805.
  * Work around mingw.org header issue.  MSVC seems to implicitly include
    <winerror.h> but mingw.org's headers don't, leading to ERROR_PIPE_CONNECTED
    not being defined.  Fixes https://github.com/xapian/xapian/pull/318, reported
    by Alex Sandro.
  * Suppress MSVC warnings about possible loss of data.  The values involved are
    the number of set bits in a value of integer type, so these warnings are

buildservice-autocommit accepted request 829956 from

Antonio Larrosa (alarrosa) almost 4 years ago (revision 95)

baserev update by copy to link target

Antonio Larrosa (alarrosa) accepted request 829895 from

Antonio Larrosa (alarrosa) almost 4 years ago (revision 94)

- Update to 1.4.17:
  + API:
    * Database::get_average_length(): Add this as an alias for Database::get_avlen().
      In git master we've added this as a preferred new name - adding it to 1.4.x too
      will make it easier for users to update to using this.
    * Database::get_spelling_suggestion(): Optimise edit distance initialisation
      loop to significantly reduce the cost of a typical edit distance calculation.
    * Fix query expansion on sharded databases.  The mechanism for passing in which
      shard a TermList is from wasn't hooked up and as a result we'd always think
      it's from the first shard, meaning the statistics would be wrong and that our
      suggested terms may not have been as good as they should be in this
      situation.
    * Enquire::get_eset(): Use string::compare() to avoid 1/3 of the string compares
      on average.
  + documentation:
    * Update doxygen HTML headers and footers to resolve issues with some
      interactive features of the API docs not working.  Reported by Enrico Zini.
    * Stop specifying obsolete doxygen settings PERL_PATH and MSCGEN_PATH.
    * Clarify API docs for MSet::get_termfreq() to make it clear that this
      considers all documents in the database, not only those that matched the
      searched (it would sometimes be useful to be able to report the number of
      occurrences of a term in the matched documents, but it's not something we
      currently keep track of).  Reported by Tadeusz Sośnierz and Peter Salomonsen.

Dirk Mueller (dirkmueller) committed almost 4 years ago (revision 93)

- update to 1.4.16:
  * MSet::snippet(): The snippet now includes trailing punctuation which carries
    meaning or gives useful context.  See
    https://github.com/xapian/xapian/pull/180, reported by Robert Stepanek.
  * MSet::snippet(): Fix segfault generating snippet from default-constructed
    MSet.  This probably isn't something you'd typically do, but it shouldn't
    crash.  Found during extended testing of #803 (which only affected git
    master) which was reported by Robert Stepanek.
  * Remove trailing full stop from exception messages.  We conventionally don't
    include one, but a few cases didn't follow that convention.
  testsuite:
  * Replace direct use of ftime() which gives deprecation warnings with recent
    mingw.  Reported by srinivasyadav22.
  matcher:
  * Fix segfault in rare cases in the query optimiser.  We keep a pointer to the
    most recent posting list to use as a hint for opening the next posting list,
    but the existing mechanism to take ownership of this hint had a flaw.  We now
    invalidate the hint in situations where it might be indirectly deleted which
    is safe, but somewhat conservative.
  * Improve the optimisation of an always-matching OP_VALUE_GE to also take
    effect when the value slot's lower bound is equal to the limit of the
    OP_VALUE_GE.  Patch from boda sadalla.
  glass backend:
  * Report the correct errno value if commit() fails.  We were potentially
    reporting ENOENT from an unlink() call cleaning up a temporary file prior to
    throwing the exception instead.
  documentation:
  * Fix missing menus in API documentation.  Newer doxygen generates .js files
    which we also need to distribute and install.  Reported by sec^nd on #xapian.
  * Note OP_FILTER ignored subquery bug fixed in 1.4.15 as present in 1.4.14 and

buildservice-autocommit accepted request 799125 from

Antonio Larrosa (alarrosa) about 4 years ago (revision 92)

baserev update by copy to link target

Antonio Larrosa (alarrosa) accepted request 798996 from

Dominique Leuenberger (dimstar) about 4 years ago (revision 91)

Update to 1.4.15

buildservice-autocommit accepted request 765865 from

Dirk Mueller (dirkmueller) about 4 years ago (revision 90)

baserev update by copy to link target

Dirk Mueller (dirkmueller) accepted request 764595 from

Antonio Larrosa (alarrosa) over 4 years ago (revision 89)

- Update to 1.4.14:
  * API:
    + Xapian::QueryParser: Handle "" inside a quoted phrase better.  In a quoted
      boolean term, "" is treated as an escaped ", so handle it in a compatible way
      for quoted phrases.  Previously we'd drop out of the phrase and start a new
      phrase.  Fixes #630, reported by Austin Clements.
    + Xapian::Stem: The constructor which takes a stemmer name now takes an
      optional second bool parameter - if this is true, then an unknown stemmer
      name falls back to using the "none" stemmer instead of throwing an exception.
      This allows simply constructing a stemmer from an ISO language code without
      having to worry about whether there's a stemmer for that language, and
      without having to handle an exception if there isn't.
    + Xapian::Stem: Fix a bug with handling 4-byte UTF-8 sequences which
      potentially affects most of the stemmers.  None of the stemmers work in
      languages where 4-byte UTF-8 sequences are part of the alphabet, but this
      bug could result in invalid UTF-8 sequences in terms generated from text
      containing high Unicode codepoints such as emoji, which can cause issues (for
      example, in some language bindings).  Fix synced from Snowball git post
      2.0.0.
    + Xapian::Stem: Add a new is_none() method which tests if this is a "none"
      stemmer.
    + Xapian::Weight: The total length of all documents is now made available to
      Xapian::Weight subclasses, and this is now used by DLHWeight, DPHWeight and
      LMWeight.  To maintain ABI compatibility, internally this still fetches the
      average length and the number of documents, multiplies them, then rounds the
      result, but in the next release series this will be handled directly.
    + Xapian::Database::locked() on an inmemory database used to always return
      false, but an inmemory Database is always actually a WritableDatabase
      underneath, so now we always report true in this case because it's really
      always report being locked for writing.

buildservice-autocommit accepted request 650369 from

Dirk Mueller (dirkmueller) over 5 years ago (revision 88)

baserev update by copy to link target

Dirk Mueller (dirkmueller) accepted request 650355 from

Antonio Larrosa (alarrosa) over 5 years ago (revision 87)

- Update to 1.4.9:
  * API:
    + Document::add_posting(): Fix bugs with the change in 1.4.8 to more
      efficiently handle insertion of a batch of extra positions in ascending
      order.  These could lead to missing positions and corrupted encoded
      positional data.
  * remote backend:
    + Avoid hang if remote connection shutdown fails by not waiting for the
      connection to close in this situation.  Seems to fix occasional hangs seen on
      macOS.  Patch from Germán M. Bravo.
- Update to 1.4.8:
  * API:
    + QueryParser,TermGenerator: Add new stemming mode STEM_SOME_FULL_POS.
      This stores positional information for both stemmed and unstemmed terms,
      allowing NEAR and ADJ to work with stemmed terms.  The extra positional
      information is likely to take up a significant amount of extra disk space so
      the default STEM_SOME is likely to be a better choice for most users.
    + Database::check(): Fetch and decompress the document data to catch problems
      with the splitting of large data into multiple entries, corruption of the
      compressed data, etc.  Also check that empty document data isn't explicitly
      stored for glass.
    + Fix an incorrect type being used for term positions in the TermGenerator API.
      These were Xapian::termcount but should be Xapian::termpos.  Both are
      typedefs for the same 32-bit unsigned integer type by default (almost always
      "unsigned int") so this change is entirely compatible, except that if you
      were configuring 1.4.7 or earlier with --enable-64bit-termcount you need to
      also use the new --enable-64bit-termpos configure option with 1.4.8 and up or
      rebuild your applications.  This change was necessary to make
      --enable-64bit-termpos actually useful.
    + Add Document::remove_postings() method which removes all postings in a

buildservice-autocommit accepted request 644271 from

Antonio Larrosa (alarrosa) over 5 years ago (revision 86)

baserev update by copy to link target

Antonio Larrosa (alarrosa) accepted request 644270 from

Antonio Larrosa (alarrosa) over 5 years ago (revision 85)

  * API:
    + Database::check(): Fix bogus error reports for documents with length
      zero due to a new check added in 1.4.6 that the doclength was between the
      stored upper and lower bounds, which failed to allow for the lower bound
      ignoring documents with length zero (since documents indexed only by
      boolean terms aren't involved in weighted searches).
    + Query: Use of Query::MatchAll in multithreaded code causes problems
      because the reference counting gets messed up by concurrent updates.
      Document that Query(string()) should be used instead of MatchAll in
      multithreaded code, and avoid using it in library code.
  * Stem:
    + Stemming algorithms added for Irish, Lithuanian, Nepali and Tamil.
    + Merge Snowball compiler changes which improve code generation.
    + Merge optimisations to the Arabic and Turkish stemmers.
  * testsuite:
    + Fix duplicate test in apitest closedb10 testcase.
  * See also https://xapian.org/docs/xapian-core-1.4.7/NEWS

Antonio Larrosa (alarrosa) accepted request 644121 from

Sean Lewis (seanlew) over 5 years ago (revision 84)

Update xapian-core to 1.4.7

buildservice-autocommit accepted request 626669 from

Factory Maintainer (factory-maintainer) almost 6 years ago (revision 83)

baserev update by copy to link target

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