3 Added missing source files for perl extension.
7 Implemented xelm directive.
9 Updated for newer version of YAZ (introduction of string schema).
11 Directory examples/zthes now part of distribution (was missing
14 New .abs directive, systag, that control where to put retrieval
15 information. The directive takes two arguments: system tag, element name.
16 System tag is one of : rank, sysno, size.
20 Perl Filter and Perl API. By Peter Popovics.
22 For zebra.cfg, if no profilePath is specified, directory
23 (prefix)/share/idzebra/tab
26 Zebra Examples in examples . Zebra tests in test.
28 Bug fix: sort index was not properly modified on
29 record updates/deletes.
31 Fix handling of character entities for sgml filter.
33 Move data1 to Zebra (used to be part of YAZ).
37 Fix character encoding of scan response terms.
39 Fix character decoding of scan request terms.
41 Fix ESpec handling (requires YAZ 1.9.1)
43 Fix searches for complete fields.
47 When name zebra is used in a filename or directory 'idzebra' is used
48 instead to avoid confusion with GNU zebra (routing software).
50 Zebra server stops with a fatal error if config file cannot be read.
52 New config setting, followLinks, that controls whether update of files
53 should follow symbolic. Set it to 1 (for enable) or 0 (to disable).
54 By default symbolic links are followed.
56 Fix MARC transfer . MARC fields had wrong data for multiple fields.
58 XML record reader moved from YAZ to Zebra, to make YAZ less
59 dependant on external libraries.
61 Zebra uses yaz_iconv which is mini iconv library supporting UTF-8,
62 UCS4, ISO-8859-1. This means that Zebra does UNICODE even
63 on systems that doesn't offer iconv.
65 XML record reader supports external system entities.
69 New .abs-directive "xpath" that takes one argument: "enable"
70 or "disable" to enable and disable XPath -indexing. If no "xpath"
71 direcive is found in .abs-file , XPath-indexing is disabled to ensure
72 backwards compatibility. For missing .abs-files XPath-indexing is
73 enabled so that such records are searchable.
75 Zebra warns about missing .abs-file only once (for each type).
77 Fixed a bug in file update where already-inserted files could
82 Zebra license changed to GNU GPL.
84 XPath-like queries used when RPN string attributes are used, eg.
85 @attr 1=/portal/title sometitle
86 @attr 1=/portal/title[@xml:lang=da] danishtitle
87 @attr 1=/portal/title/@xml:lang da
88 @attr 1=//title sometitle
90 Zebra uses UTF-8 internally:
91 1) New setting "encoding" for zebra.cfg that specifies encoding for
92 OCTET terms in queries and record encoding for most transfer syntaxes
93 (except those that use International Strings, such as GRS-1).
94 2) The encoding of International strings is UTF-8 by default. It
95 may be changed by character set negotiation. If character set
96 negotiation is in effect and if records are selected for conversion
97 these'll be converted to the selected character set - thus overriding
98 the encoding setting in zebra.cfg.
99 3) New directive "encoding" in .abs-files. This specifies the external
100 character encoding for files indexed by zebra. However, if records
101 themselves have an XML header that specifies and encoding that'll be used
104 XML filter (-t grs.xml).
106 Multiple registers. New setting in resource 'root' that holds base
107 directory for register(s). A group a databases may be put in separate
108 register in directory root/reg by using db name 'reg/db1' ... 'reg/dbN'.
112 Fixes for Digital Unix
114 Implemented hits per term using USR:SearchResult-1.
116 New Zebra API. Locking system re-implemented.
118 --- 1.1.stable 2002/02/20
120 Rank weight can be controlled with attribute type 9. Default
121 value is 34. Recommended values between 1-36.
125 Updated for YAZ version 1.8.
127 Added support for termsets - a result set of terms matching
128 a given query. For @attr 8=<set> creates termset named <set>.
130 Added support for raw retrieval. Element Set Name R forces the
131 text filter which returns the record in its original form.
133 Added numerical sort - triggered by structure=numeric (4=109).
135 Remote record import using Z39.50 Extended Services and Segments.
137 Fixed bug where updating a database with user-defined attributes
138 could corrupt the register (bad storeKeys).
140 Multi-threaded version.
142 Fixed bug regarding proximity.
144 Documentation updates.
146 Fixed bug in record retrieval module that occured on 64-bit OSF
151 Fixed bug in makefile for WIN32.
153 Fixed bug in configure script - used bash-specific features.
157 Added support for multiple records in one file for filter grs.sgml.
159 Changed record index structure. New layout is incompatible with
160 previous releases. Added setting "recordcompression" to control
161 compression of records. Possible values are "none" (no
162 compression) and bzip2 (compression using libbz2).
164 Added XML transfer syntax support for retrieval of structured records.
165 Schema in CompSpec is recognised in retrieval of structured records.
167 Changed Tcl record filter so that it attemps to read <filt>.tflt. If
168 that fails, the filter reads the file <filt>.flt (regx style filter).
170 Implemented new Tcl record filter - use grs.tcl.<filter> to enable it.
171 Zebra's configure script automatically attempts to locate Tcl. For
172 manual Tcl configuration use option --with-tclconfig=<path> to specify
173 where Tcl's library files are located.
175 Implemented "compression" of Dictionary and ISAM system. Dictionary
178 Added "tagsysno" directive to zebra.cfg to control under which tag the
179 system ID is placed. Use tagsysno: 0 to disable Zebra's system number
182 Added "tagrank" as above.
184 Changed file naming scheme for register files from <name>.mf.<no> to
187 Implemented "position"-flag for register type (as defined in
188 default.idx). When set to zero no position (or seqence number) is
189 saved in register for each word occurrence, thus saving some register
192 Implemented database mapping. Using mapdb one can specify a database
193 to be mapped to one or more physical databases. Usage:
194 mapdb <fromdb> <todb> ..
196 Added SOIF-filter. Thanks to Peter Valkenburg.
198 For the regx-filter "end element -record" may trigger a mark-of-record
199 if outer level is reached.
201 Tag sets may be typed in the reference to it. From the .abs-file the
202 "tagset" directive takes a third optional integer type for the tag set
203 referenced. From a .tag-file the "include" directive takes a third
204 optional type as well. The old "type" directive in the tag set itself
205 is still recognized but acts as the default type for the tag set.
207 Zebra supports the specification of arbitrary attributes sets, schemas
208 and tag sets, because of the change in YAZ' OID management system.
210 Fixed bug in Sort that caused it NOT to use character mapping as it
213 Zebra now uses GNU configure to generate Makefile(s).
215 Added un-optimised support for left and left/right truncation attributes.
217 Added support for relational operators on text when using RPN queries.
219 Added support for sort specifications in RPN queries. Type 7 specifies
220 'sort' where value 1=ascending, value 2=descending. The use attribute
221 specifies the field criteria as usual. The term specifies priority
222 where 0=first, 1=second, ...
224 Changed the way use attributes are specified in the recordId
227 Maximum number of databases in one Zebra register increased.
229 New setting, databasePath, which specifies that first directory during
230 update traversal is the database name (instead of a fixed one).
232 New setting, explainDatabase, which specifies that databases are
235 Modified Zebra so that it works with ASN.1 compiled code for YAZ.
237 Implemented EXPLAIN database maintenance. Zebra automatically
238 generate - and update CategoryList, TargetInfo, DatabaseInfo,
239 AttributeSetInfo and AttributeDetails records at this stage. The
240 records may be transferred as GRS-1, SUTRS or Explain.
242 Fixed register spec so that colon isn't treated as size separator
243 unless followed by [0-9+-] in order to allow DOS drive specifications.
245 Fixed two bugs in ISAMC system.
247 Changed the way Zebra keeps its maintenance information about attribute
248 sets, available attributes, etc.. Records in "SGML" notation using an
249 EXPLAIN schema is now used when appropriate.
251 Bug fix: Index didn't handle update/insert/delete of the same record
252 (i.e. same recordId) in one run (one invocation of zebraidx). Only the
253 first occurence of a record is considered.
255 Most searches now return correct number of hits.
257 New modular ranking system. Interested programmers are encouraged to
258 inspect rank1.c and improve the algorithm.
260 Bug fix: Lock files weren't removed as they should on NT.
262 Implemented Z39.50 Sort. Zebra's sort handler uses use attributes to
263 specify a "sort register". Refer to the gils sample records which refer
264 to index type "s" which is specified as "sort" in the default.idx file.
265 Each sort criteria can either be Ascending or Descending and at most
266 three sort elements can be specified.
268 Bug fix: Character mapping didn't work for text files.
272 Simple ranked searches now return correct number of hits.
274 The test option (-s) only makes a read-lock on the index as well
275 as using read-only operations anywhere.
277 Moved towards generic character mapping. Configuration file default.idx
278 specifies character map files for register types w, p, u, etc.
280 Implemented "begin variant" for the sgml.regx - filter.
282 Fixed a few memory leaks.
284 Added support for C++, headers uses extern "C" for public definitions.
286 Bug fix: The show records facility (-s) only displayed information for
287 the first record in a file (and not for every record in the file).
289 Added option "-f <n>" to limit the logging of record operations. After
290 <n> records has been processed no logging is performed (unless errors
293 Bug fix: the compressed ISAM system didn't handle update operations
296 Added setting, "maxResultSetSize", to hold the number of records to
297 save in a result set.
299 Bug fix: Complete phrase did't work for search operations.
301 Bug fix: temporary result sets weren't deleted.
303 Reduced disk space for saved keys (storeKeys = 1).
305 Added optional, physical ANY (key replication)
307 Implemented proximity operator in search.
309 Bug fix: the path name buffers used by file match traversal routines
310 have been extended to support long file names.
312 New C(ompressed) ISAM system. To enable it, specify "isam: c" in the
313 configuration file. The resulting register without "storeKeys" is about
314 half the size, and the memory used by zebraidx during phase 2 (merge) is
315 reduced to a minimum.
317 Reworked the way Regexp-2 queries with error tolerance are handled and
318 specified. The documentation has been updated accordingly.
320 Bug fix: Zebrasrv didn't search correctly when queries contained masking
321 characters. This bug was introduced in 1.0a8.
323 Zebrasrv now tag records with the proper database name.
325 New settings, memMax and keyTmpDir.
327 Changed name of setting lockDir (previously called lockPath) and
328 setTmpDir (previously called tempSetPath).
330 Generalized and changed record type specifications. In short, there are:
332 grs.sgml structured, "SGML-like" syntax
333 grs.regx.<filter> structured, Regular expression filter
334 grs.marc.<abs> Reads *MARC records in the ISO2709 format. <abs>
335 is the name of an abstract syntax file.
336 Bug fix: Result sets weren't sorted in operations involving boolean
337 operations with "ranked" operands.
341 Added national character-handling subsystem.
345 Small modifications to input filters and profiles.
347 Added support for SOIF syntax (with private OID).
351 Fixed buffer-size problem in indexing.
353 Added compression to temporary files for updating.
355 Added phrase registers.
357 Added dynamic mapping of search attribute to multiple termlists (ANY).
359 Scan support in multiple databases/registers.
361 Configuration settings are case-insensitive and single dash (-)
362 characters are ignored in comparisons.
364 The index processing ignores empty files - warning given.
366 New option to zebraidx (-V) displays version information.
370 Fixed problem in file-update system.
372 Fixed problem in shadow system; register was sometimes corrupted after
377 Fixed problems in the ISAM subsystem. Caused difficulties when updating
380 Fixed small problem in SUTRS-filter. A newline was sometimes inserted before
381 the rank and record number.
383 Fixed bug in the isam subsystem - caused a malfunction when accessing
384 words which occurred more than 10000 times.
386 Distribution should now include YAZ (Z39.50 protocol stack) to simplify
389 Server can now run under inetd. Use option -i, and -w <directory> to
390 set working directory to desired location.
392 New zebraidx command: clean - removes temporary shadow files.
394 Fixed bug in ISAM system. Occurred rarely during register updates.
396 Logging during index merge phase is improved. The remaining running
399 Temporary files generated by zebraidx are removed after each run.
401 Bug fix: Dictionary didn't handle 8-bit characters correctly; was obvious
402 when doing scan operations in dictionaries with European characters.
406 A whole slew of updates, to make the first publicized release. Get the doc
411 Memory-problems in ISAM fixed. More blocktypes added to the default setup
412 to increase performance on larger databases.
414 Various minor changes in data management system.
418 A couple of portability-problems resolved.
420 Changed some malloc() to xmalloc().