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