X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=CHANGELOG;h=dcdc5c1c256eb2587eec92b9f6ba7b6764a7c89b;hb=f1e7c832bcf4e2ecaaefc01a1cec1ba78e90dd12;hp=79b706eb5c31b6e10e4a56c17a87d906796a74e4;hpb=2443105a0f8ec46cff8e44e2f009ef2e5ab2f051;p=idzebra-moved-to-github.git diff --git a/CHANGELOG b/CHANGELOG index 79b706e..dcdc5c1 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -1,12 +1,41 @@ -Fixed a few memory leaks. +Changed the way Zebra keeps its maintenance information. Records +in "SGML" notation using an EXPLAIN schema is now used when +appropriate. -Moved towards generic character mapping. Type w, p uses -string.chr, u uses urx.chr and n uses numeric.chr. +Bug fix: Index didn't handle update/insert/delete of the same +record (i.e. same recordId) in one run (one invocation of zebraidx). +Only the first occurence of a record is considered. -Added support for C++, headers uses extern "C" for public definitions. +Most searches now return correct number of hits. + +New modular ranking system. Interested programmers are encouraged to +inspect rank1.c and improve the algorithm. + +Bug fix: Lock files weren't removed as they should when using NT. + +Implemented Z39.50 Sort. Zebra's sort handler uses use attributes to +specify a "sort register". Refer to the gils sample records which +refer to index type "s" which is specified as "sort" in the default.idx +file. Each sort criteria can either be Ascending or Descending and +at most three sort elements can be specified. + +Bug fix: Character mapping didn't work for text files. + +--- 1.0b1 1998/1/29 + +Simple ranked searches now return correct number of hits. -New filter grs.marc. that reads MARC records in the ISO2709 -format. refers to the abstract syntax. +The test option (-s) only makes a read-lock on the index as well +as using read-only operations anywhere. + +Moved towards generic character mapping. Configuration file default.idx +specifies character map files for register types w, p, u, etc. + +Implemented "begin variant" for the sgml.regx - filter. + +Fixed a few memory leaks. + +Added support for C++, headers uses extern "C" for public definitions. Bug fix: The show records facility (-s) only displayed information for the first record in a file (and not for every record in the file). @@ -56,7 +85,8 @@ Generalized and changed record type specifications. In short, there are: text plain SUTRS grs.sgml structured, "SGML-like" syntax grs.regx. structured, Regular expression filter - + grs.marc. Reads *MARC records in the ISO2709 format. + is the name of an abstract syntax file. Bug fix: Result sets weren't sorted in operations involving boolean operations with "ranked" operands.