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