X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=NEWS;h=1b401ead828549b236635839f2ada22c29fefebc;hb=a59ee0ce86aebff91e46adc1310f0a7699d88845;hp=4a3d378666e9319b5f2c7ecc174db16c85bd0a06;hpb=d0aea584697ca17916844a892c3f17a6dd2afb70;p=pazpar2-moved-to-github.git diff --git a/NEWS b/NEWS index 4a3d378..1b401ea 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,69 @@ +--- 1.6.26 2013/03/08 + +New pz:metadata attribute, empty="empty-value" for Pazpar2's +internal representation. With this attribute, Pazpar2 treates an empty +pz:metadata type as having the value for "empty" - if empty. + +New setting, pz:extendrecs, which triggers extended fetch of records +for a database beyond pz:maxrecs for a show command. + +Fix warning that was falsely issued for "missing limitmap". + +Log message for Pazpart start/stop changed. Now using same style as +Metaproxy, ie Pazpar2 start SHA1 / Pazpar2 stop . + +--- 1.6.25 2013/02/07 + +Fix hang of 2nd command=show with esn/syntax given. + +--- 1.6.24 2013/01/18 + +New merge attribute type: 'first', which takes all metadata fields +from first target that returns the particular field. + +--- 1.6.23 2013/01/02 + +Extend info command with hostname and YAZ SHA1 +Indent results for both command stat and info. + +Allow limit on merged content. The new configuration metadata +element, limitcluster, configures that a metadata element (name) be used +as limit name for search. Applies to the whole service (ie all targets), +unlike pz:limitmap which is configured per-target (database). + +New feature: limitmap local:* matches against all metadata fields. + +Allow repeated list in limitmap spec . Separated by comma. For +example: value="local:title,rpn:@attr 1=4". + +New element in bytarget response. Holds diagnostic message +of code (say 'Unsupported Use Attribute' for Bib-1 114). + +Improved logging for record ingestion failures. + +Avoid using struct icu_chain in non-YAZ_HAVE_ICU mode. In the rare case, +when YAZ is compiled without ICU support. + +--- 1.6.22 2012/10/11 + +Requires YAZ-4.2.40 to support native solr support. + +Fix and improve logic handling whether or not to re-do search on sort +order changes. A sort order with change in ascending/descending only +whould not trigger a new search, which is required for targets with +native sorting capabilities. Each client is now checked if instructions +(sortmap) exist for native sorting and only client that does requires +it is researched. Other clients is just re-ingesting the records, +they already have. The resultset is now cleared if any researching +is done. + +Connection sharing between session has broken since version 1.6.8 with +introduction of logic that would minimize searching if pazpar2 could +detect this based on same query and limits and partly sort order. +This could lead to segementations violations. + +Added a chapter in the manaul about relevance ranking. + --- 1.6.21 2012/09/24 Rank tweak: follow=number will increase mult by number if two terms @@ -11,24 +77,24 @@ term occurs (l=0 for first term, l=1 for second term, ..). Default value of k is 0.0. Rank tweak: length=strategy. length="linear" if mult is to be divided -by length (existing, default behavior), length="log" if mult is to be +by length (existing, default behavior), length="log" if mult is to be divided by log2(1+length), length="none" if mult is not to be affected by length. --- 1.6.20 2012/09/21 -Rank algorithm details may be printed as part of show reseponse in +Rank algorithm details may be printed as part of show response in element .. This is only printed if is used in service. Record as returned by show/record command have a minimal indentation which makes things human-readable. -New configuration of default sorting criteria (sort-default) in +New configuration of default sorting criteria (sort-default) in service definition. If no criteria is defined it will be as before -'relevance'. +'relevance'. -Search command now supports sort parameter just as the show command. +Search command now supports sort parameter just as the show command. If no parameter is give, it will use the service sort-default value. --- 1.6.19 2012/09/18 @@ -57,14 +123,14 @@ be reused). --- 1.6.16 2012/08/22 -Fix a bug introduce in 1.6.15 around the position sorting. It resetted the +Fix a bug introduce in 1.6.15 around the position sorting. It resetted the resultset and sorting when the sort order is position. However this will be done on -every client poll, which will make pazpar2 continuing reset and fetching. -It should only be done on FIRST request where the sort order change. +every client poll, which will make pazpar2 continuing reset and fetching. +It should only be done on FIRST request where the sort order change. -Fix an issue on suggestion option: Also disable suggestions on empty string. +Fix an issue on suggestion option: Also disable suggestions on empty string. -Clean up in turbo marc stylesheet. +Clean up in turbo marc stylesheet. Remove the hardcoded size of termlists. @@ -85,17 +151,17 @@ M is default rank and N is rank for CCL terms from field F. Fix for IE7/8 in pz.js -Applied patch from Giannis Kosmas on keepAlive, which also adds keepAlive to init response. +Applied patch from Giannis Kosmas on keepAlive, which also adds keepAlive to init response. Lower log level some places. -Remove some invalid test results. +Remove some invalid test results. --- 1.6.13 2012/05/23 Introducing a version=2 parameter for show, termlist and bytarget commands. -This enables pazpar2 to return approximation on hit and count count when -doing record filtering using the limit parameter on search and a +This enables pazpar2 to return approximation on hit and count count when +doing record filtering using the limit parameter on search and a limitmap with a value of "local:" Setting pz:xslt may embed local XSLT as an alternative to referring @@ -115,13 +181,13 @@ Metadata field rank may given by XML internal document (pz:xslt result). If rank is not given, the rank from service description is used - as before. -Metadata field can now configured a default limitmap and facetmap. +Metadata field can now configured a default limitmap and facetmap. Setting limitmap to "local:" would work for all kind of targets, but would -prob. not be the optimal solution. But at least better than the default behavior -of pazpar2 where no filtering is done. +prob. not be the optimal solution. But at least better than the default behavior +of pazpar2 where no filtering is done. A service definition can now also contains that defines service-wide -settings. These will override server-wide sets and will be overridded by +settings. These will override server-wide sets and will be overridded by settings. New setting, pz:present_chunk, that specifies number of records to fetch @@ -129,31 +195,31 @@ at a time. Zero will disable chunkation; will fetch max_records at once. --- 1.6.12 2012/03/14 -Revert the format change in termlist response, that could break -some clients / UIs since they were expecting an (empty) element -if no facet values was found. +Revert the format change in termlist response, that could break +some clients / UIs since they were expecting an (empty) element +if no facet values was found. --- 1.6.11 2012/03/07 -Revert the behavior of returning errors when unable to block -on termlist, bytarget and search, when unable to block due to -other block. The client will now receive a regular response, +Revert the behavior of returning errors when unable to block +on termlist, bytarget and search, when unable to block due to +other block. The client will now receive a regular response, but it will be logged in the server. A parameter (report) is -added to change behavior to return error response or WARNING -status message. Consider this "API" as private, as it is mostly -untested and could be changed in future releases. +added to change behavior to return error response or WARNING +status message. Consider this "API" as private, as it is mostly +untested and could be changed in future releases. Fix spell error in pz2.js fix in 1.6.10. -New Marc2TurboMarc.xsl (contribution from Sven Porst). -Can solve the missing marc21.xsl updates in some cases. +New Marc2TurboMarc.xsl (contribution from Sven Porst). +Can solve the missing marc21.xsl updates in some cases. -tmarc.xsl: Simplify the 6xx to subject-long and fix 1-based +tmarc.xsl: Simplify the 6xx to subject-long and fix 1-based substring (contribtion from Sven Porst) marc21.xsl: fix 1-based substring call -tmarc.xsl and marc21.xsl: use 856$a as last option for electronic-text. +tmarc.xsl and marc21.xsl: use 856$a as last option for electronic-text. Add test_termlist_block to test suite @@ -164,14 +230,14 @@ Also refactor a bit the code that converts from PQF to SRU/SOLR queries. Fix pz2.js: "null object" due to change in in bytarget result XML. -Fixes in tmarc.xsl: Subject-long shorten for extra commas only. -Added this normalization to the other subject-long fields (d6xx), +Fixes in tmarc.xsl: Subject-long shorten for extra commas only. +Added this normalization to the other subject-long fields (d6xx), where it was missing. -Fixes in marc21.xsl: Updated with most of the new tmarc.xsl. -Still differences around medium and holdings. marc21.xsl is not +Fixes in marc21.xsl: Updated with most of the new tmarc.xsl. +Still differences around medium and holdings. marc21.xsl is not longer active used by Index Data, and should be considered unsupported. -Use tmarc.xsl instead. +Use tmarc.xsl instead. --- 1.6.9 2012/01/19 @@ -205,9 +271,9 @@ for a limitmap. --- 1.6.5 2011/11/01 Updated bytarget command to contain a suggestions element with misspelled -words and suggestions to these. pz2.js has been updated to deliver this -onwards as well. Only target that currently delivers this is the solr -client in YAZ 4.2.18. +words and suggestions to these. pz2.js has been updated to deliver this +onwards as well. Only target that currently delivers this is the solr +client in YAZ 4.2.18. --- 1.6.4 2011/10/28 @@ -304,7 +370,7 @@ Pazpar2 may save HTTP requests. Enabled by option -R. Experimental support for DTIC DADS target. New dads-pz2.xsl. -Support for query_syntax (overrides the default for SRU | Z39.50) +Support for query_syntax (overrides the default for SRU | Z39.50) Support for extraArgs (ZOOM "extraArgs" option) for targets @@ -312,11 +378,11 @@ New commands: status-server and status-session --- 1.5.3 2011/02/18 -Fix for threaded runs: Client now have a copy of the database URL, -which can used after the database has been release from the client. -This makes the logging in the connection idle timeout of the client nicer (no NOURL) and should be thread-safe. +Fix for threaded runs: Client now have a copy of the database URL, +which can used after the database has been release from the client. +This makes the logging in the connection idle timeout of the client nicer (no NOURL) and should be thread-safe. -tmarc.xsl: Add journal-title-abbrev and full text. +tmarc.xsl: Add journal-title-abbrev and full text. cf.xsl: new fields: isbn, issn, journaltitle, volume, issue @@ -412,7 +478,7 @@ and a symlink to it is created from services-enabled. The default.xml service is unnamed and, thus, will be used by jsdemo and test1. New setting pz:negotiation_charset. Patch from Andrei V. Toutoukine. The -new setting pz:negotiation_charset specifies character set for Z39.50 Init. +new setting pz:negotiation_charset specifies character set for Z39.50 Init. --- 1.2.4 2010/01/15 @@ -469,7 +535,7 @@ is now ordered in the same way as metadata in the service definition. Older Pazpar2 version use the order in which metadata appeared in a record instance. -The search argument 'filter' now offers a new operator ~ which does a +The search argument 'filter' now offers a new operator ~ which does a substring match. The = operator works as before: string match for anything but pz:id, or target match for pz:id. @@ -496,7 +562,7 @@ during the session. The service may have its own target settings, ICU config, timeout, etc. In order to be recognized, the POST request must use Content-Type=text/xml. -Timeout values may be given per-service. That's element 'timeout' +Timeout values may be given per-service. That's element 'timeout' which takes three attribute values (a subset may be given): 'session', 'z3950_operation', 'z3950_session'. Option -T is no longer supported - used to specify session timeout. @@ -543,7 +609,7 @@ Session timeout may be specified on the command-line as option -T. Pazpar2 may now be operated in a no-merged mode for records.. All records will be considered unique. This mode is enabled if no mergekey is -generated by the normalization stylesheet (pz:xslt). +generated by the normalization stylesheet (pz:xslt). Pazpar2 caches original records from each target and the 'record' command with offset returns the original record if 'syntax' and 'esn' are NOT @@ -660,7 +726,7 @@ not support some fields are ignored in a search. --- 1.0.1 2007/07/03 -Improved handling of socket timeout for Z39.50 connections. +Improved handling of socket timeout for Z39.50 connections. Misc documentation updates and spell fixes.