2 Added feature charmaps (.chr) so that characters may be specified in
5 Fixed problem with encoding directive for charmap(.chr) files.
9 Fix bug. X-Path attribute expressions with spaces in them now works.
11 Fix base address for MARC output.
15 Fix bug with shadow and result set handling.
17 Implement MARCXML to ISO2709 conversion.
21 Add missing examples for Windows install.
23 Fix bug in regx filter to make it "greedy" again. This bug appeared
30 Fix XML error handling. Stop XML parse immediately if XML parse error
31 occur (i.e. produce one error only).
33 Zebra ignores "unsupported use attribute" for individual databases
34 when search multiple databases (unless all databases fail).
36 New filter grs.marcxml which works like grs.marc but produces MARCXML.
38 Added support for database deletion. It is possible to create/drop
39 a database from zebraidx utility. Note: only for isam:b.
41 Write zebrasrv.pid to lockdir.
43 Bug fix: result sets were not recovered correctly. Had to
44 add ODR handle for zebra_search_RPN in order to make it work.
46 Fixed a bug in regx filters that didn't do anchors (^) correctly.
48 Fixed a bug in searches with X-Path searches sometimes giving "extra"
51 Zebra server checks for zebrasrv.pid and refuses to start if it is already
52 locked by another (running) zebrasrv.
54 Fixed a bug with text being chunked in pieces for the grs.xml filter.
58 xelm code updates. xelm works regardless state of 'xpath enable/disable'
59 Avoid -L/usr/lib since that is already default library path.
61 Allow multiple updates within one transaction.
63 Fixed a bug with >2GB files (overflow in integer expression).
67 Fix linker error for Perl module.
69 Fix bug in and operation which in some cases could result in "extra"
70 hits. Bug was introduced in 1.3.5.
72 Fix bug in handling of schema conversion when producing numeric tags.
78 Add missing files doc/zvrank.txt and doc/marc_indexing.xml.
82 Zvrank: an experimental ranking algorithm. See doc/zvrank.txt and
83 source in index/zvrank.c. Enable this by using rank: zvrank in zebra.cfg.
84 Contributed by Johannes Leveling <Johannes.Leveling at fernuni-hagen.de>
86 livrank: another experimental ranking algorithm. Source in livcode.c.
87 Enable this by using rank: livrank in zebra.cfg and use -DLIV_CODE=1
89 Contributed by Pete Mallinson, University of Liverpool.
91 Advanced MARC indexing. See doc/marc_indexing.xml
92 Oleg Kolobov <oleg at lib.tpu.ru>
94 Perl API updates and fixes.
95 Peter Popovics <pop at technomat.hu>
97 Fixed 'zebraidx delete'.
99 Implemented 'zebraidx clean'.
101 64-bit offsets for register files on WIN32 (no 2 GB limit).
103 Fixed a few memory leaks WRT sorting.
107 Fixed error handling : error code was not properly returned.
109 Support Truncation 104 (CCL).
113 Added missing source files for perl extension.
117 Implemented xelm directive.
119 Updated for newer version of YAZ (introduction of string schema).
121 Directory examples/zthes now part of distribution (was missing
122 in previous release).
124 New .abs directive, systag, that control where to put retrieval
125 information. The directive takes two arguments: system tag, element name.
126 System tag is one of : rank, sysno, size.
130 Perl Filter and Perl API. By Peter Popovics.
132 For zebra.cfg, if no profilePath is specified, directory
133 (prefix)/share/idzebra/tab
136 Zebra Examples in examples . Zebra tests in test.
138 Bug fix: sort index was not properly modified on
139 record updates/deletes.
141 Fix handling of character entities for sgml filter.
143 Move data1 to Zebra (used to be part of YAZ).
147 Fix character encoding of scan response terms.
149 Fix character decoding of scan request terms.
151 Fix ESpec handling (requires YAZ 1.9.1)
153 Fix searches for complete fields.
157 When name zebra is used in a filename or directory 'idzebra' is used
158 instead to avoid confusion with GNU zebra (routing software).
160 Zebra server stops with a fatal error if config file cannot be read.
162 New config setting, followLinks, that controls whether update of files
163 should follow symbolic. Set it to 1 (for enable) or 0 (to disable).
164 By default symbolic links are followed.
166 Fix MARC transfer . MARC fields had wrong data for multiple fields.
168 XML record reader moved from YAZ to Zebra, to make YAZ less
169 dependant on external libraries.
171 Zebra uses yaz_iconv which is mini iconv library supporting UTF-8,
172 UCS4, ISO-8859-1. This means that Zebra does UNICODE even
173 on systems that doesn't offer iconv.
175 XML record reader supports external system entities.
179 New .abs-directive "xpath" that takes one argument: "enable"
180 or "disable" to enable and disable XPath -indexing. If no "xpath"
181 direcive is found in .abs-file , XPath-indexing is disabled to ensure
182 backwards compatibility. For missing .abs-files XPath-indexing is
183 enabled so that such records are searchable.
185 Zebra warns about missing .abs-file only once (for each type).
187 Fixed a bug in file update where already-inserted files could
192 Zebra license changed to GNU GPL.
194 XPath-like queries used when RPN string attributes are used, eg.
195 @attr 1=/portal/title sometitle
196 @attr 1=/portal/title[@xml:lang=da] danishtitle
197 @attr 1=/portal/title/@xml:lang da
198 @attr 1=//title sometitle
200 Zebra uses UTF-8 internally:
201 1) New setting "encoding" for zebra.cfg that specifies encoding for
202 OCTET terms in queries and record encoding for most transfer syntaxes
203 (except those that use International Strings, such as GRS-1).
204 2) The encoding of International strings is UTF-8 by default. It
205 may be changed by character set negotiation. If character set
206 negotiation is in effect and if records are selected for conversion
207 these'll be converted to the selected character set - thus overriding
208 the encoding setting in zebra.cfg.
209 3) New directive "encoding" in .abs-files. This specifies the external
210 character encoding for files indexed by zebra. However, if records
211 themselves have an XML header that specifies and encoding that'll be used
214 XML filter (-t grs.xml).
216 Multiple registers. New setting in resource 'root' that holds base
217 directory for register(s). A group a databases may be put in separate
218 register in directory root/reg by using db name 'reg/db1' ... 'reg/dbN'.
222 Fixes for Digital Unix
224 Implemented hits per term using USR:SearchResult-1.
226 New Zebra API. Locking system re-implemented.
228 --- 1.1.stable 2002/02/20
230 Rank weight can be controlled with attribute type 9. Default
231 value is 34. Recommended values between 1-36.
235 Updated for YAZ version 1.8.
237 Added support for termsets - a result set of terms matching
238 a given query. For @attr 8=<set> creates termset named <set>.
240 Added support for raw retrieval. Element Set Name R forces the
241 text filter which returns the record in its original form.
243 Added numerical sort - triggered by structure=numeric (4=109).
245 Remote record import using Z39.50 Extended Services and Segments.
247 Fixed bug where updating a database with user-defined attributes
248 could corrupt the register (bad storeKeys).
250 Multi-threaded version.
252 Fixed bug regarding proximity.
254 Documentation updates.
256 Fixed bug in record retrieval module that occured on 64-bit OSF
261 Fixed bug in makefile for WIN32.
263 Fixed bug in configure script - used bash-specific features.
267 Added support for multiple records in one file for filter grs.sgml.
269 Changed record index structure. New layout is incompatible with
270 previous releases. Added setting "recordcompression" to control
271 compression of records. Possible values are "none" (no
272 compression) and bzip2 (compression using libbz2).
274 Added XML transfer syntax support for retrieval of structured records.
275 Schema in CompSpec is recognised in retrieval of structured records.
277 Changed Tcl record filter so that it attemps to read <filt>.tflt. If
278 that fails, the filter reads the file <filt>.flt (regx style filter).
280 Implemented new Tcl record filter - use grs.tcl.<filter> to enable it.
281 Zebra's configure script automatically attempts to locate Tcl. For
282 manual Tcl configuration use option --with-tclconfig=<path> to specify
283 where Tcl's library files are located.
285 Implemented "compression" of Dictionary and ISAM system. Dictionary
288 Added "tagsysno" directive to zebra.cfg to control under which tag the
289 system ID is placed. Use tagsysno: 0 to disable Zebra's system number
292 Added "tagrank" as above.
294 Changed file naming scheme for register files from <name>.mf.<no> to
297 Implemented "position"-flag for register type (as defined in
298 default.idx). When set to zero no position (or seqence number) is
299 saved in register for each word occurrence, thus saving some register
302 Implemented database mapping. Using mapdb one can specify a database
303 to be mapped to one or more physical databases. Usage:
304 mapdb <fromdb> <todb> ..
306 Added SOIF-filter. Thanks to Peter Valkenburg.
308 For the regx-filter "end element -record" may trigger a mark-of-record
309 if outer level is reached.
311 Tag sets may be typed in the reference to it. From the .abs-file the
312 "tagset" directive takes a third optional integer type for the tag set
313 referenced. From a .tag-file the "include" directive takes a third
314 optional type as well. The old "type" directive in the tag set itself
315 is still recognized but acts as the default type for the tag set.
317 Zebra supports the specification of arbitrary attributes sets, schemas
318 and tag sets, because of the change in YAZ' OID management system.
320 Fixed bug in Sort that caused it NOT to use character mapping as it
323 Zebra now uses GNU configure to generate Makefile(s).
325 Added un-optimised support for left and left/right truncation attributes.
327 Added support for relational operators on text when using RPN queries.
329 Added support for sort specifications in RPN queries. Type 7 specifies
330 'sort' where value 1=ascending, value 2=descending. The use attribute
331 specifies the field criteria as usual. The term specifies priority
332 where 0=first, 1=second, ...
334 Changed the way use attributes are specified in the recordId
337 Maximum number of databases in one Zebra register increased.
339 New setting, databasePath, which specifies that first directory during
340 update traversal is the database name (instead of a fixed one).
342 New setting, explainDatabase, which specifies that databases are
345 Modified Zebra so that it works with ASN.1 compiled code for YAZ.
347 Implemented EXPLAIN database maintenance. Zebra automatically
348 generate - and update CategoryList, TargetInfo, DatabaseInfo,
349 AttributeSetInfo and AttributeDetails records at this stage. The
350 records may be transferred as GRS-1, SUTRS or Explain.
352 Fixed register spec so that colon isn't treated as size separator
353 unless followed by [0-9+-] in order to allow DOS drive specifications.
355 Fixed two bugs in ISAMC system.
357 Changed the way Zebra keeps its maintenance information about attribute
358 sets, available attributes, etc.. Records in "SGML" notation using an
359 EXPLAIN schema is now used when appropriate.
361 Bug fix: Index didn't handle update/insert/delete of the same record
362 (i.e. same recordId) in one run (one invocation of zebraidx). Only the
363 first occurence of a record is considered.
365 Most searches now return correct number of hits.
367 New modular ranking system. Interested programmers are encouraged to
368 inspect rank1.c and improve the algorithm.
370 Bug fix: Lock files weren't removed as they should on NT.
372 Implemented Z39.50 Sort. Zebra's sort handler uses use attributes to
373 specify a "sort register". Refer to the gils sample records which refer
374 to index type "s" which is specified as "sort" in the default.idx file.
375 Each sort criteria can either be Ascending or Descending and at most
376 three sort elements can be specified.
378 Bug fix: Character mapping didn't work for text files.
382 Simple ranked searches now return correct number of hits.
384 The test option (-s) only makes a read-lock on the index as well
385 as using read-only operations anywhere.
387 Moved towards generic character mapping. Configuration file default.idx
388 specifies character map files for register types w, p, u, etc.
390 Implemented "begin variant" for the sgml.regx - filter.
392 Fixed a few memory leaks.
394 Added support for C++, headers uses extern "C" for public definitions.
396 Bug fix: The show records facility (-s) only displayed information for
397 the first record in a file (and not for every record in the file).
399 Added option "-f <n>" to limit the logging of record operations. After
400 <n> records has been processed no logging is performed (unless errors
403 Bug fix: the compressed ISAM system didn't handle update operations
406 Added setting, "maxResultSetSize", to hold the number of records to
407 save in a result set.
409 Bug fix: Complete phrase did't work for search operations.
411 Bug fix: temporary result sets weren't deleted.
413 Reduced disk space for saved keys (storeKeys = 1).
415 Added optional, physical ANY (key replication)
417 Implemented proximity operator in search.
419 Bug fix: the path name buffers used by file match traversal routines
420 have been extended to support long file names.
422 New C(ompressed) ISAM system. To enable it, specify "isam: c" in the
423 configuration file. The resulting register without "storeKeys" is about
424 half the size, and the memory used by zebraidx during phase 2 (merge) is
425 reduced to a minimum.
427 Reworked the way Regexp-2 queries with error tolerance are handled and
428 specified. The documentation has been updated accordingly.
430 Bug fix: Zebrasrv didn't search correctly when queries contained masking
431 characters. This bug was introduced in 1.0a8.
433 Zebrasrv now tag records with the proper database name.
435 New settings, memMax and keyTmpDir.
437 Changed name of setting lockDir (previously called lockPath) and
438 setTmpDir (previously called tempSetPath).
440 Generalized and changed record type specifications. In short, there are:
442 grs.sgml structured, "SGML-like" syntax
443 grs.regx.<filter> structured, Regular expression filter
444 grs.marc.<abs> Reads *MARC records in the ISO2709 format. <abs>
445 is the name of an abstract syntax file.
446 Bug fix: Result sets weren't sorted in operations involving boolean
447 operations with "ranked" operands.
451 Added national character-handling subsystem.
455 Small modifications to input filters and profiles.
457 Added support for SOIF syntax (with private OID).
461 Fixed buffer-size problem in indexing.
463 Added compression to temporary files for updating.
465 Added phrase registers.
467 Added dynamic mapping of search attribute to multiple termlists (ANY).
469 Scan support in multiple databases/registers.
471 Configuration settings are case-insensitive and single dash (-)
472 characters are ignored in comparisons.
474 The index processing ignores empty files - warning given.
476 New option to zebraidx (-V) displays version information.
480 Fixed problem in file-update system.
482 Fixed problem in shadow system; register was sometimes corrupted after
487 Fixed problems in the ISAM subsystem. Caused difficulties when updating
490 Fixed small problem in SUTRS-filter. A newline was sometimes inserted before
491 the rank and record number.
493 Fixed bug in the isam subsystem - caused a malfunction when accessing
494 words which occurred more than 10000 times.
496 Distribution should now include YAZ (Z39.50 protocol stack) to simplify
499 Server can now run under inetd. Use option -i, and -w <directory> to
500 set working directory to desired location.
502 New zebraidx command: clean - removes temporary shadow files.
504 Fixed bug in ISAM system. Occurred rarely during register updates.
506 Logging during index merge phase is improved. The remaining running
509 Temporary files generated by zebraidx are removed after each run.
511 Bug fix: Dictionary didn't handle 8-bit characters correctly; was obvious
512 when doing scan operations in dictionaries with European characters.
516 A whole slew of updates, to make the first publicized release. Get the doc
521 Memory-problems in ISAM fixed. More blocktypes added to the default setup
522 to increase performance on larger databases.
524 Various minor changes in data management system.
528 A couple of portability-problems resolved.
530 Changed some malloc() to xmalloc().