1 Zebra supports the specification of arbitrary attributes sets,
2 schemas and tag sets, because of the change in YAZ' OID
5 Fixed bug in Sort that caused it NOT to use character mapping as
8 Zebra now uses GNU configure to generate Makefile(s).
10 Added un-optimised support for left and left/right truncation attributes.
12 Added support for relational operators on text when using
15 Added support for sort specifications in RPN queries. Type 7
16 specifies 'sort' where value 1=ascending, value 2=descending.
17 The use attribute specifies the field criteria as usual.
18 The term specifies priority (0=first, 1=second).
20 Changed the way use attributes are specified in the recordId
23 Maximum number of databases in one Zebra register increased.
25 New setting, databasePath, which specifies that first directory
26 during update traversal is the database name (instead of
29 New setting, explainDatabase, which specifies that databases
32 Modified Zebra so that it works with ASN.1 compiled code for YAZ.
34 Implemented EXPLAIN database maintenance. Zebra automatically
35 generate - and update CategoryList, TargetInfo, DatabaseInfo,
36 AttributeSetInfo and AttributeDetails records at this stage.
37 The records may be transferred as GRS-1, SUTRS or Explain.
39 Fixed register spec so that colon isn't treated as size separator
40 unless followed by [0-9+-] in order to allow DOS drive specifications.
42 Fixed two bugs in ISAMC system.
44 Changed the way Zebra keeps its maintenance information. Records
45 in "SGML" notation using an EXPLAIN schema is now used when
48 Bug fix: Index didn't handle update/insert/delete of the same
49 record (i.e. same recordId) in one run (one invocation of zebraidx).
50 Only the first occurence of a record is considered.
52 Most searches now return correct number of hits.
54 New modular ranking system. Interested programmers are encouraged to
55 inspect rank1.c and improve the algorithm.
57 Bug fix: Lock files weren't removed as they should when using NT.
59 Implemented Z39.50 Sort. Zebra's sort handler uses use attributes to
60 specify a "sort register". Refer to the gils sample records which
61 refer to index type "s" which is specified as "sort" in the default.idx
62 file. Each sort criteria can either be Ascending or Descending and
63 at most three sort elements can be specified.
65 Bug fix: Character mapping didn't work for text files.
69 Simple ranked searches now return correct number of hits.
71 The test option (-s) only makes a read-lock on the index as well
72 as using read-only operations anywhere.
74 Moved towards generic character mapping. Configuration file default.idx
75 specifies character map files for register types w, p, u, etc.
77 Implemented "begin variant" for the sgml.regx - filter.
79 Fixed a few memory leaks.
81 Added support for C++, headers uses extern "C" for public definitions.
83 Bug fix: The show records facility (-s) only displayed information for
84 the first record in a file (and not for every record in the file).
86 Added option "-f <n>" to limit the logging of record operations. After
87 <n> records has been processed no logging is performed (unless errors
90 Bug fix: the compressed ISAM system didn't handle update operations
93 Added setting, "maxResultSetSize", to hold the number of records to
96 Bug fix: Complete phrase did't work for search operations.
98 Bug fix: temporary result sets weren't deleted.
100 Reduced disk space for saved keys (storeKeys = 1).
102 Added optional, physical ANY (key replication)
104 Implemented proximity operator in search.
106 Bug fix: the path name buffers used by file match traversal routines
107 have been extended to support long file names.
109 New C(ompressed) ISAM system. To enable it, specify "isam: c" in the
110 configuration file. The resulting register without "storeKeys" is about
111 half the size, and the memory used by zebraidx during phase 2 (merge) is
112 reduced to a minimum.
114 Reworked the way Regexp-2 queries with error tolerance are handled and
115 specified. The documentation has been updated accordingly.
117 Bug fix: Zebrasrv didn't search correctly when queries contained masking
118 characters. This bug was introduced in 1.0a8.
120 Zebrasrv now tag records with the proper database name.
122 New settings, memMax and keyTmpDir.
124 Changed name of setting lockDir (previously called lockPath) and
125 setTmpDir (previously called tempSetPath).
127 Generalized and changed record type specifications. In short, there are:
129 grs.sgml structured, "SGML-like" syntax
130 grs.regx.<filter> structured, Regular expression filter
131 grs.marc.<abs> Reads *MARC records in the ISO2709 format. <abs>
132 is the name of an abstract syntax file.
133 Bug fix: Result sets weren't sorted in operations involving boolean
134 operations with "ranked" operands.
138 Added national character-handling subsystem.
142 Small modifications to input filters and profiles.
144 Added support for SOIF syntax (with private OID).
148 Fixed buffer-size problem in indexing.
150 Added compression to temporary files for updating.
152 Added phrase registers.
154 Added dynamic mapping of search attribute to multiple termlists (ANY).
156 Scan support in multiple databases/registers.
158 Configuration settings are case-insensitive and single dash (-)
159 characters are ignored in comparisons.
161 The index processing ignores empty files - warning given.
163 New option to zebraidx (-V) displays version information.
167 Fixed problem in file-update system.
169 Fixed problem in shadow system; register was sometimes corrupted after
174 Fixed problems in the ISAM subsystem. Caused difficulties when updating
177 Fixed small problem in SUTRS-filter. A newline was sometimes inserted before
178 the rank and record number.
180 Fixed bug in the isam subsystem - caused a malfunction when accessing
181 words which occurred more than 10000 times.
183 Distribution should now include YAZ (Z39.50 protocol stack) to simplify
186 Server can now run under inetd. Use option -i, and -w <directory> to
187 set working directory to desired location.
189 New zebraidx command: clean - removes temporary shadow files.
191 Fixed bug in ISAM system. Occurred rarely during register updates.
193 Logging during index merge phase is improved. The remaining running
196 Temporary files generated by zebraidx are removed after each run.
198 Bug fix: Dictionary didn't handle 8-bit characters correctly; was obvious
199 when doing scan operations in dictionaries with European characters.
203 A whole slew of updates, to make the first publicized release. Get the doc
208 Memory-problems in ISAM fixed. More blocktypes added to the default setup
209 to increase performance on larger databases.
211 Various minor changes in data management system.
215 A couple of portability-problems resolved.
217 Changed some malloc() to xmalloc().