1 Added support for term hit counts. This was not in place for earlier
2 1.4 versions, but is present in the 1.3 series. Bug #124.
4 Implemented the 'equivalent' directive for .chr-files.
6 Added zebra_get_bfs to get BFile handle for session.
8 Added 'melm' directive to absyn format to simplify config files
9 for MARC-style databases. See tab/marc21.abs for an example.
11 Added bath-compliant definition file marc21.abs for use with MARC databases.
13 Added autoconf utility idzebra.m4 which defines --with-idzebra .
15 Added mechanism to ignore leading articles when doing full-field indexing,
16 based on the character map files. See the manual for further discussion.
18 Fixed bug in record management. Releasing blocks could result in
21 Fixed bug in isam:b. A tree split could result in a lost item.
23 Remove isamd. It's not been in use for a long time and isamb is better
26 Change SYSNO to be zint. Change pointers in isamc and isamb to zint.
27 Change block number in bfile/cfile to zint. zint is a long integer
28 (64-bit). This change practially removes register limits for Zebra.
30 Implement int-list encoding for ISAMs.
32 Added facility to make attibutes in grs.regx and grs.tcl filter using the
33 data command with argument -attribute <name> . The content of data is
34 the value of the attribute. This command should be used inside a
35 begin element , end element section.
37 Update zebra.nsi to NSIS 2.
39 Added a new 'cut' directive to charmaps (.chr files) which specifies that
40 only characters after the cutting char should be indexed.
42 Update Perl internals so that it matches the current Zebra API.
43 The recordGroup structure is no longer available. A group of resources
44 can still be referenced by setting groupName=>.. in various methods.
46 Maximum number of records to be sorted in a result set can be
47 specified by setting "sortmax". Default is 1000.
49 Allow use of string use attributes for regular attribute sets. The
50 name matches the name given in the attribute set file. All strings
51 starting with / are considered X-Path as usual.
53 Fixed bug in grs.regx. filter . 'end element' could pop off top tag
54 element for XML tree. It may only pop off if -record is given.
56 Added grs.danbib filter - for Danish Bibliographic Centre.
58 Rename CHANGELOG to NEWS.
60 For text filter, return only header if elementSetName=H . elementSetName=R
61 returns contents only. Other elementSetName returns both header+content.
63 Added test for charmap and rusmarc.
65 Added feature charmaps (.chr) so that characters may be specified in
68 Fixed problem with encoding directive for charmap(.chr) files.
70 Allow Remote insert/delete/replace/update with record, recordIdNumber
71 (sysno) and/or recordIdOpaque(user supplied record Id). If both
72 IDs are omitted internal record ID match is assumed (recordId: - in
77 Fix bug. X-Path attribute expressions with spaces in them now works.
79 Fix base address for MARC output.
83 Fix bug with shadow and result set handling.
85 Implement MARCXML to ISO2709 conversion.
89 Add missing examples for Windows install.
91 Fix bug in regx filter to make it "greedy" again. This bug appeared
98 Fix XML error handling. Stop XML parse immediately if XML parse error
99 occur (i.e. produce one error only).
101 Zebra ignores "unsupported use attribute" for individual databases
102 when search multiple databases (unless all databases fail).
104 New filter grs.marcxml which works like grs.marc but produces MARCXML.
106 Added support for database deletion. It is possible to create/drop
107 a database from zebraidx utility. Note: only for isam:b.
109 Write zebrasrv.pid to lockdir.
111 Bug fix: result sets were not recovered correctly. Had to
112 add ODR handle for zebra_search_RPN in order to make it work.
114 Fixed a bug in regx filters that didn't do anchors (^) correctly.
116 Fixed a bug in searches with X-Path searches sometimes giving "extra"
119 Zebra server checks for zebrasrv.pid and refuses to start if it is already
120 locked by another (running) zebrasrv.
122 Fixed a bug with text being chunked in pieces for the grs.xml filter.
124 --- 1.3.11 2003/04/25
126 xelm code updates. xelm works regardless state of 'xpath enable/disable'
127 Avoid -L/usr/lib since that is already default library path.
129 Allow multiple updates within one transaction.
131 Fixed a bug with >2GB files (overflow in integer expression).
133 --- 1.3.10 2003/04/01
135 Fix linker error for Perl module.
137 Fix bug in and operation which in some cases could result in "extra"
138 hits. Bug was introduced in 1.3.5.
140 Fix bug in handling of schema conversion when producing numeric tags.
146 Add missing files doc/zvrank.txt and doc/marc_indexing.xml.
150 Zvrank: an experimental ranking algorithm. See doc/zvrank.txt and
151 source in index/zvrank.c. Enable this by using rank: zvrank in zebra.cfg.
152 Contributed by Johannes Leveling <Johannes.Leveling at fernuni-hagen.de>
154 livrank: another experimental ranking algorithm. Source in livcode.c.
155 Enable this by using rank: livrank in zebra.cfg and use -DLIV_CODE=1
157 Contributed by Pete Mallinson, University of Liverpool.
159 Advanced MARC indexing. See doc/marc_indexing.xml
160 Oleg Kolobov <oleg at lib.tpu.ru>
162 Perl API updates and fixes.
163 Peter Popovics <pop at technomat.hu>
165 Fixed 'zebraidx delete'.
167 Implemented 'zebraidx clean'.
169 64-bit offsets for register files on WIN32 (no 2 GB limit).
171 Fixed a few memory leaks WRT sorting.
175 Fixed error handling : error code was not properly returned.
177 Support Truncation 104 (CCL).
181 Added missing source files for perl extension.
185 Implemented xelm directive.
187 Updated for newer version of YAZ (introduction of string schema).
189 Directory examples/zthes now part of distribution (was missing
190 in previous release).
192 New .abs directive, systag, that control where to put retrieval
193 information. The directive takes two arguments: system tag, element name.
194 System tag is one of : rank, sysno, size.
198 Perl Filter and Perl API. By Peter Popovics.
200 For zebra.cfg, if no profilePath is specified, directory
201 (prefix)/share/idzebra/tab
204 Zebra Examples in examples . Zebra tests in test.
206 Bug fix: sort index was not properly modified on
207 record updates/deletes.
209 Fix handling of character entities for sgml filter.
211 Move data1 to Zebra (used to be part of YAZ).
215 Fix character encoding of scan response terms.
217 Fix character decoding of scan request terms.
219 Fix ESpec handling (requires YAZ 1.9.1)
221 Fix searches for complete fields.
225 When name zebra is used in a filename or directory 'idzebra' is used
226 instead to avoid confusion with GNU zebra (routing software).
228 Zebra server stops with a fatal error if config file cannot be read.
230 New config setting, followLinks, that controls whether update of files
231 should follow symbolic. Set it to 1 (for enable) or 0 (to disable).
232 By default symbolic links are followed.
234 Fix MARC transfer . MARC fields had wrong data for multiple fields.
236 XML record reader moved from YAZ to Zebra, to make YAZ less
237 dependant on external libraries.
239 Zebra uses yaz_iconv which is mini iconv library supporting UTF-8,
240 UCS4, ISO-8859-1. This means that Zebra does UNICODE even
241 on systems that doesn't offer iconv.
243 XML record reader supports external system entities.
247 New .abs-directive "xpath" that takes one argument: "enable"
248 or "disable" to enable and disable XPath -indexing. If no "xpath"
249 direcive is found in .abs-file , XPath-indexing is disabled to ensure
250 backwards compatibility. For missing .abs-files XPath-indexing is
251 enabled so that such records are searchable.
253 Zebra warns about missing .abs-file only once (for each type).
255 Fixed a bug in file update where already-inserted files could
260 Zebra license changed to GNU GPL.
262 XPath-like queries used when RPN string attributes are used, eg.
263 @attr 1=/portal/title sometitle
264 @attr 1=/portal/title[@xml:lang=da] danishtitle
265 @attr 1=/portal/title/@xml:lang da
266 @attr 1=//title sometitle
268 Zebra uses UTF-8 internally:
269 1) New setting "encoding" for zebra.cfg that specifies encoding for
270 OCTET terms in queries and record encoding for most transfer syntaxes
271 (except those that use International Strings, such as GRS-1).
272 2) The encoding of International strings is UTF-8 by default. It
273 may be changed by character set negotiation. If character set
274 negotiation is in effect and if records are selected for conversion
275 these'll be converted to the selected character set - thus overriding
276 the encoding setting in zebra.cfg.
277 3) New directive "encoding" in .abs-files. This specifies the external
278 character encoding for files indexed by zebra. However, if records
279 themselves have an XML header that specifies and encoding that'll be used
282 XML filter (-t grs.xml).
284 Multiple registers. New setting in resource 'root' that holds base
285 directory for register(s). A group a databases may be put in separate
286 register in directory root/reg by using db name 'reg/db1' ... 'reg/dbN'.
290 Fixes for Digital Unix
292 Implemented hits per term using USR:SearchResult-1.
294 New Zebra API. Locking system re-implemented.
296 --- 1.1.stable 2002/02/20
298 Rank weight can be controlled with attribute type 9. Default
299 value is 34. Recommended values between 1-36.
303 Updated for YAZ version 1.8.
305 Added support for termsets - a result set of terms matching
306 a given query. For @attr 8=<set> creates termset named <set>.
308 Added support for raw retrieval. Element Set Name R forces the
309 text filter which returns the record in its original form.
311 Added numerical sort - triggered by structure=numeric (4=109).
313 Remote record import using Z39.50 Extended Services and Segments.
315 Fixed bug where updating a database with user-defined attributes
316 could corrupt the register (bad storeKeys).
318 Multi-threaded version.
320 Fixed bug regarding proximity.
322 Documentation updates.
324 Fixed bug in record retrieval module that occured on 64-bit OSF
329 Fixed bug in makefile for WIN32.
331 Fixed bug in configure script - used bash-specific features.
335 Added support for multiple records in one file for filter grs.sgml.
337 Changed record index structure. New layout is incompatible with
338 previous releases. Added setting "recordcompression" to control
339 compression of records. Possible values are "none" (no
340 compression) and bzip2 (compression using libbz2).
342 Added XML transfer syntax support for retrieval of structured records.
343 Schema in CompSpec is recognised in retrieval of structured records.
345 Changed Tcl record filter so that it attemps to read <filt>.tflt. If
346 that fails, the filter reads the file <filt>.flt (regx style filter).
348 Implemented new Tcl record filter - use grs.tcl.<filter> to enable it.
349 Zebra's configure script automatically attempts to locate Tcl. For
350 manual Tcl configuration use option --with-tclconfig=<path> to specify
351 where Tcl's library files are located.
353 Implemented "compression" of Dictionary and ISAM system. Dictionary
356 Added "tagsysno" directive to zebra.cfg to control under which tag the
357 system ID is placed. Use tagsysno: 0 to disable Zebra's system number
360 Added "tagrank" as above.
362 Changed file naming scheme for register files from <name>.mf.<no> to
365 Implemented "position"-flag for register type (as defined in
366 default.idx). When set to zero no position (or seqence number) is
367 saved in register for each word occurrence, thus saving some register
370 Implemented database mapping. Using mapdb one can specify a database
371 to be mapped to one or more physical databases. Usage:
372 mapdb <fromdb> <todb> ..
374 Added SOIF-filter. Thanks to Peter Valkenburg.
376 For the regx-filter "end element -record" may trigger a mark-of-record
377 if outer level is reached.
379 Tag sets may be typed in the reference to it. From the .abs-file the
380 "tagset" directive takes a third optional integer type for the tag set
381 referenced. From a .tag-file the "include" directive takes a third
382 optional type as well. The old "type" directive in the tag set itself
383 is still recognized but acts as the default type for the tag set.
385 Zebra supports the specification of arbitrary attributes sets, schemas
386 and tag sets, because of the change in YAZ' OID management system.
388 Fixed bug in Sort that caused it NOT to use character mapping as it
391 Zebra now uses GNU configure to generate Makefile(s).
393 Added un-optimised support for left and left/right truncation attributes.
395 Added support for relational operators on text when using RPN queries.
397 Added support for sort specifications in RPN queries. Type 7 specifies
398 'sort' where value 1=ascending, value 2=descending. The use attribute
399 specifies the field criteria as usual. The term specifies priority
400 where 0=first, 1=second, ...
402 Changed the way use attributes are specified in the recordId
405 Maximum number of databases in one Zebra register increased.
407 New setting, databasePath, which specifies that first directory during
408 update traversal is the database name (instead of a fixed one).
410 New setting, explainDatabase, which specifies that databases are
413 Modified Zebra so that it works with ASN.1 compiled code for YAZ.
415 Implemented EXPLAIN database maintenance. Zebra automatically
416 generate - and update CategoryList, TargetInfo, DatabaseInfo,
417 AttributeSetInfo and AttributeDetails records at this stage. The
418 records may be transferred as GRS-1, SUTRS or Explain.
420 Fixed register spec so that colon isn't treated as size separator
421 unless followed by [0-9+-] in order to allow DOS drive specifications.
423 Fixed two bugs in ISAMC system.
425 Changed the way Zebra keeps its maintenance information about attribute
426 sets, available attributes, etc.. Records in "SGML" notation using an
427 EXPLAIN schema is now used when appropriate.
429 Bug fix: Index didn't handle update/insert/delete of the same record
430 (i.e. same recordId) in one run (one invocation of zebraidx). Only the
431 first occurence of a record is considered.
433 Most searches now return correct number of hits.
435 New modular ranking system. Interested programmers are encouraged to
436 inspect rank1.c and improve the algorithm.
438 Bug fix: Lock files weren't removed as they should on NT.
440 Implemented Z39.50 Sort. Zebra's sort handler uses use attributes to
441 specify a "sort register". Refer to the gils sample records which refer
442 to index type "s" which is specified as "sort" in the default.idx file.
443 Each sort criteria can either be Ascending or Descending and at most
444 three sort elements can be specified.
446 Bug fix: Character mapping didn't work for text files.
450 Simple ranked searches now return correct number of hits.
452 The test option (-s) only makes a read-lock on the index as well
453 as using read-only operations anywhere.
455 Moved towards generic character mapping. Configuration file default.idx
456 specifies character map files for register types w, p, u, etc.
458 Implemented "begin variant" for the sgml.regx - filter.
460 Fixed a few memory leaks.
462 Added support for C++, headers uses extern "C" for public definitions.
464 Bug fix: The show records facility (-s) only displayed information for
465 the first record in a file (and not for every record in the file).
467 Added option "-f <n>" to limit the logging of record operations. After
468 <n> records has been processed no logging is performed (unless errors
471 Bug fix: the compressed ISAM system didn't handle update operations
474 Added setting, "maxResultSetSize", to hold the number of records to
475 save in a result set.
477 Bug fix: Complete phrase did't work for search operations.
479 Bug fix: temporary result sets weren't deleted.
481 Reduced disk space for saved keys (storeKeys = 1).
483 Added optional, physical ANY (key replication)
485 Implemented proximity operator in search.
487 Bug fix: the path name buffers used by file match traversal routines
488 have been extended to support long file names.
490 New C(ompressed) ISAM system. To enable it, specify "isam: c" in the
491 configuration file. The resulting register without "storeKeys" is about
492 half the size, and the memory used by zebraidx during phase 2 (merge) is
493 reduced to a minimum.
495 Reworked the way Regexp-2 queries with error tolerance are handled and
496 specified. The documentation has been updated accordingly.
498 Bug fix: Zebrasrv didn't search correctly when queries contained masking
499 characters. This bug was introduced in 1.0a8.
501 Zebrasrv now tag records with the proper database name.
503 New settings, memMax and keyTmpDir.
505 Changed name of setting lockDir (previously called lockPath) and
506 setTmpDir (previously called tempSetPath).
508 Generalized and changed record type specifications. In short, there are:
510 grs.sgml structured, "SGML-like" syntax
511 grs.regx.<filter> structured, Regular expression filter
512 grs.marc.<abs> Reads *MARC records in the ISO2709 format. <abs>
513 is the name of an abstract syntax file.
514 Bug fix: Result sets weren't sorted in operations involving boolean
515 operations with "ranked" operands.
519 Added national character-handling subsystem.
523 Small modifications to input filters and profiles.
525 Added support for SOIF syntax (with private OID).
529 Fixed buffer-size problem in indexing.
531 Added compression to temporary files for updating.
533 Added phrase registers.
535 Added dynamic mapping of search attribute to multiple termlists (ANY).
537 Scan support in multiple databases/registers.
539 Configuration settings are case-insensitive and single dash (-)
540 characters are ignored in comparisons.
542 The index processing ignores empty files - warning given.
544 New option to zebraidx (-V) displays version information.
548 Fixed problem in file-update system.
550 Fixed problem in shadow system; register was sometimes corrupted after
555 Fixed problems in the ISAM subsystem. Caused difficulties when updating
558 Fixed small problem in SUTRS-filter. A newline was sometimes inserted before
559 the rank and record number.
561 Fixed bug in the isam subsystem - caused a malfunction when accessing
562 words which occurred more than 10000 times.
564 Distribution should now include YAZ (Z39.50 protocol stack) to simplify
567 Server can now run under inetd. Use option -i, and -w <directory> to
568 set working directory to desired location.
570 New zebraidx command: clean - removes temporary shadow files.
572 Fixed bug in ISAM system. Occurred rarely during register updates.
574 Logging during index merge phase is improved. The remaining running
577 Temporary files generated by zebraidx are removed after each run.
579 Bug fix: Dictionary didn't handle 8-bit characters correctly; was obvious
580 when doing scan operations in dictionaries with European characters.
584 A whole slew of updates, to make the first publicized release. Get the doc
589 Memory-problems in ISAM fixed. More blocktypes added to the default setup
590 to increase performance on larger databases.
592 Various minor changes in data management system.
596 A couple of portability-problems resolved.
598 Changed some malloc() to xmalloc().