From 08/22/2000 to 09/20/2000


02:50 PM Revision 463 (metacat): added extra timing information to the main() driver method.
01:25 PM Revision 462 (metacat): fix the small bug with output like:
Fatal processing error
<?xml version=1.0?>
on hadleInsertOrUpdateAction()
01:22 PM Revision 461 (metacat): writeDocID() not needed any more
throw SAXException from everywhere bojilova
01:21 PM Revision 460 (metacat): on character(cbuf, start, len) included:
if currentNode.getTagName().equals("title")
instead of using:
01:15 PM Revision 459 (metacat): change Assession# generation to use the same db connection
01:07 PM Bug #131 (Resolved): add doctype identifier to returnfields
a returnfield should not only include the path to an element but also the
doctype from which it should be selected. ...
Chad Berkley
01:05 PM Bug #130 (Resolved): remove the title hack from metacat
Remove the "hack" that puts the title of a document into the xml_documents table
and replace it with a returnfield t...
Chad Berkley
01:02 PM Bug #129 (Closed): Metacat Performance: paged Query Returns
If a query returns more than n results, then only n results should be shown to
the user at a time. This functionali...
Chad Berkley
01:00 PM Bug #128 (Resolved): change resource public ID in the catalog
The public ID of eml-resource documents needs to be changed in the catalog to
fit with the standard syntax of public...
Chad Berkley
12:58 PM Bug #97: combine printExtendedSQL and printSQL methods into one
At this time, I think it is better to leave the two methods seperate. It is
cleaner to do it this way because even i...
Chad Berkley
12:52 PM Bug #113: need "dataset oriented" html interface for results
*** Bug 28 has been marked as a duplicate of this bug. *** Chad Berkley
12:51 PM Bug #113: need "dataset oriented" html interface for results
This addition to the functionality will be aided by the completion of the
package spec. Packaging can be used to cre...
Chad Berkley
10:55 AM Bug #113 (Resolved): need "dataset oriented" html interface for results
The current HTML interface displays result sets as a table, with all metadata
documents displayed. We need to modi...
Matt Jones
12:52 PM Bug #28: need doctype backtracing/linking feature as part of doctype filter
same as bug 113
*** This bug has been marked as a duplicate of 113 ***
Chad Berkley
12:50 PM Bug #98: add download action to marineservlet
This functionality was added to metacatservlet. It can be accessed through
Chad Berkley
12:49 PM Bug #114: need interface for package info and downloading
The packaging functionality is now working. Functionality for downloading a zip
file containing all of the package f...
Chad Berkley
10:57 AM Bug #114 (Resolved): need interface for package info and downloading
Need to modify the current HTML interface for marine to allow display of the
"package" relationships and allow for ...
Matt Jones
11:09 AM Bug #117 (Resolved): need new HTML interface allowing boolean search
Need a new HTML interface for the marine servlet that allows construction of a
simple boolean expression for search...
Matt Jones
10:58 AM Revision 458 (metacat): Updated the download data function. the download data function now pulls a document from the database, zips it up and sends the zip stream to the client. It also zips up any related files. a relation parameter is used to pass related files to the servlet. If only one document should be zipped and sent, a single docid in the param hashtable is sufficient.


05:40 PM Revision 457 (metacat): changes related to decrease the time of INSERT of document.
With these changes I inserted 200KB file for 3 minutes, 50KB for 50sec.
This is mainly simplifing the DBSAXNode class...
03:16 PM Revision 456 (metacat): updated this style sheet to display only resource documents and their related files. Also added hidden input params to the images on the left so that the related document info is sent back to the servlet when documentation or an abstract is requested.
12:53 PM Revision 455 (metacat): this stylesheet now processes relation information.
12:53 PM Revision 454 (metacat): This allows for the easy handling of metacat:// urls. The documentation in the source code explains the specification for the url in detail.
12:52 PM Revision 453 (metacat): Added functionality for package specifications. metacatservlet now contains a new action called getrelateddocument that handles retrieving related documents using the metacatURL specification ( DBQuery contains new code in runQuery that embeds relation tags in the returned hashtable describing the documents related to each docid. querySpecification contains a new method which prints the sql that does the relation query.


12:33 PM Revision 452 (metacat): store generated Access# in meta_file_id tag if there are any


03:03 PM Revision 451 (metacat): fix bug in toXML() about getting output of XML document like:
<paragraph</paragraph>> bojilova
01:59 PM Revision 450 (metacat): added parentnodeid to xml_index table
01:57 PM Revision 449 (metacat): added parentnodeid to xml_index
01:09 PM Revision 447 (metacat): fix for "Document not found" err message on "getdocument" action
01:07 PM Revision 446 (metacat): fix for "public" authentication


01:38 PM Revision 445 (metacat): xml_documents.public_access modified to be
ie all documents to have public access by default
12:42 PM Revision 444 (metacat): removed print statments
12:28 PM Revision 443 (metacat): fixed xml tag error in squer
11:24 AM Revision 442 (metacat): fixed bug in handleSQuery that returned the <?xml?> tag in the <query> tag of a resultset.
Submitted by:
Reviewed by:
10:37 AM Revision 441 (metacat): added check from "read" permission on "query" and "squery" actions
for connected user or for "public" connection bojilova


01:36 PM Revision 440 (metacat): 3 indexes added on:
xml_nodes (rootnodeid)
xml_nodes (parentnodeid)
xml_documents (docid, doctype)
08:07 AM Bug #99: add getDocumentAction to marineServlet
This action was added. A style sheet for resource documents was also written. Chad Berkley
08:05 AM Bug #100: add viewabstract action to metacatServlet
This functionality now works. It uses a CGI parameter called abstractpath to
identify the xml path to the abstract.
Chad Berkley
08:04 AM Bug #109: query speed slows as database grows
Changed the queries to reduce the number of subqueries which increased the speed
of the query signifigantly.
Chad Berkley


09:34 AM Revision 439 (metacat): sql file defining the table structure for eml-package data.


02:01 PM Revision 438 (metacat): added documentation and cleaned up the markup.
01:51 PM Revision 437 (metacat): added support for getabstract action
01:50 PM Revision 436 (metacat): Added a method called getNodeContent which retrieves the content of a node in a document. If there are more than one nodes with the same name returned, it returns an array with all of the data.
01:49 PM Revision 435 (metacat): Added support for viewabstract
08:46 AM Revision 434 (metacat): added resource.xsl to the catalog
08:45 AM Revision 433 (metacat): no message
08:43 AM Revision 432 (metacat): style sheet for resource documents


05:40 PM Bug #109: query speed slows as database grows
Reassigned to berkley. Matt Jones
05:37 PM Revision 431 (metacat): Modified MetaCatServlet to use the new DocumentImpl.toXml() method for
efficiency of reading documents. See bugzilla bug #111 for an explanation. Matt Jones
05:24 PM Revision 430 (metacat): Updated the test.xml file to use more XML features for testing insert,
update, and read functions of DocumentImpl. Now the document contains
comments and processing instructions.
Matt Jones
05:16 PM Bug #111: reading large documents from metacat is slow
Fixed document reading bug (bugzilla bug #111) so that reading documents is
no longer a power function of the number ...
Matt Jones
05:14 PM Revision 429 (metacat): Fixed document reading bug (bugzilla bug #111) so that reading documents
is no longer a power function of the number of nodes in the document
(which used to be the case). Now, reading a doc...
Matt Jones
01:47 PM Revision 428 (metacat): change the 2 executions in archiveDocRevision()
with 1 statement:
"insert into xml_revisions
select ... from xml_documents where docid = ..."
12:04 PM Revision 427 (metacat): small changes on hasWritePermission()


05:08 PM Revision 426 (metacat): get rid of the FK in xml_acess table that points to xm_documents.docid
since xml_access.docid(s) point to current and revised documents
(ie xml_documents.docid and xml_revisions.docid)
05:01 PM Revision 425 (metacat): storing user_owner and user_updated where needed
new function in DocumentImpl checking for "write" perm on UPDATE or DELETE
added delete from xml_index of the old ver...
02:43 PM Revision 424 (metacat): this file is no longer used.
02:24 PM Bug #55: change order of fields
The order was changed Chad Berkley
02:23 PM Bug #54: title and altitle fields are too small
Changed the size of the fields to 30 characters. Chad Berkley
02:23 PM Bug #53: Interface does not look good in 800x600
Changed the interface to work better with lower resolutions. Fonts were made
smaller and buttons and text boxes were...
Chad Berkley
02:20 PM Revision 423 (metacat): changed xslf for new returnfield scheme. the returnfields are now returned as <param name="<returnfield>"> tags.
hThe sql for the returnfield query was redone to fix a previous problem with slow queries berkley
02:18 PM Revision 422 (metacat): changed xslf for new resultfield scheme
01:04 PM Bug #111 (Resolved): reading large documents from metacat is slow
Reading documents from metacat seems to scale with document size, and gets to be
extremely slow for even medium size...
Matt Jones
12:58 PM Bug #110 (Resolved): foreign keys to xml_catalog
The current uses of public identifiers in the xml_documents and xml_revisions
tables do not explicity reference xml_...
Matt Jones


11:36 AM Bug #109 (Resolved): query speed slows as database grows
As the database grows in size, the speed at which a query result is returned
becomes greater. The database size to ...
Chad Berkley
11:19 AM Revision 421 (metacat): cleared static methods in AccessionNumber classes for fixing bug found
when multiple requests to the servlet at a time. bojilova


01:58 PM Revision 420 (metacat): changed paths in returnfield parameters
11:01 AM Revision 419 (metacat): added alt tags
11:01 AM Revision 418 (metacat): added alt tag
11:00 AM Revision 417 (metacat): new graphics and their adobe illustrator vector files
10:58 AM Revision 416 (metacat): changed colors and layout


01:28 PM Revision 415 (metacat): Minor update to remove unneeded constructor in DocumentImpl class.
Matt Jones
11:38 AM Revision 414 (metacat): new table xml_access and new attrs to xml_documents for ACL


04:18 PM Revision 413 (metacat): for getDoctypes() added
WHERE entry_type='DTD' condition in the select statement bojilova
01:56 PM Revision 412 (metacat): fixed typ-o
01:49 PM Revision 411 (metacat): Changes with Srb authentication: including quering of Srb/MCAT during the Srb connection for:
- groupname of connected user
- list of groups and users in MCAT for ACL function for MetaCat
01:17 PM Revision 410 (metacat): update of build.xml based on Matt's recommendations
11:59 AM Revision 409 (metacat): added an @image-path@ property to get around the messed up images when loading images from tomcat. To add your own image directory,
create a directory under /opt/httpd/html/img/ and add the path to the image-path property in build.xml. Then all img... berkley


06:28 PM Revision 408 (metacat): Continued code redesign for the DocumentImpl class. Now the "delete" and
"write" methods are static, so a DocumentImpl objject need not be created
in order to initiate a INSERT, UPDATE, or D...
Matt Jones
04:47 PM Revision 407 (metacat): Folded the functionality from DBWriter into DocumentImpl, continuing the
work started earlir to create a more DOM-like model for the classes, in
which a single DocumentImpl class handles bot...
Matt Jones
10:27 AM Bug #101 (Resolved): generate data set usage metadata/ provide access log
Tracking data set usage is an important part of running a metadata and data
archive. We need a new feature in the m...
Matt Jones
08:57 AM Revision 406 (metacat): removed extraneous dash (-) from output loop that was entered unintentionallyi


04:08 PM Bug #59: create a more general specification for queries
First of all, I changed pathquery.dtd to allow for {0..N} <returnfield>
tags. The content of each field should be ei...
Chad Berkley
03:55 PM Revision 405 (metacat): changed the field names to be case-sensitive in the returnfields
03:54 PM Revision 404 (metacat): changed the field names to be case-sensitive
03:22 PM Bug #100 (Resolved): add viewabstract action to metacatServlet
an action to view the abstract of a metadata file needs to be added to
Chad Berkley
03:21 PM Bug #99 (Resolved): add getDocumentAction to marineServlet
the action to look at a metadata file in html form should be added to
Chad Berkley
03:21 PM Bug #98 (Resolved): add download action to marineservlet
An action to download a dataset from the DB needs to be added to marineServlet Chad Berkley
03:18 PM Bug #97 (Resolved): combine printExtendedSQL and printSQL methods into one
The printExtendedSQL and printSQL methods of QuerySpecification can be combined
into one method that works like prin...
Chad Berkley
03:15 PM Bug #96 (Resolved): Fix browse function in MARINE servlet
The browse function in marineServlet needs to be implemented in a way that
allows the browsing by different fields. ...
Chad Berkley
02:33 PM Bug #28: need doctype backtracing/linking feature as part of doctype filter
reassigned to berkley Matt Jones
10:43 AM Bug #28: need doctype backtracing/linking feature as part of doctype filter
This feature depends on us resolving the linking feature described in bug #31
that allows us to specify relationships...
Matt Jones
02:28 PM Bug #31: need dataset id reference from metadata
reassigned to berkley Matt Jones
10:33 AM Revision 403 (metacat): added the returnfield element to be used for dynamically choosing which fields to return from xml_nodes.
10:29 AM Revision 402 (metacat): added support for the returnfield parameter
-QuerySpecification now sets a flag (containsExtendedSQL) when there are returnfield items in the pathquery document.... berkley
10:26 AM Bug #95 (Resolved): support for Namespaces in XML documents
We need to support storage, query, and retrieval of XML documents with
Namespaces (see At a min...
Matt Jones
10:23 AM Bug #94 (Resolved): add DOM interface support to metacat
The current metacat database uses our proprietary API for accessing XML
documents. It uses a memory-resident model,...
Matt Jones
10:22 AM Revision 401 (metacat): added support for the returnfield parameter
-added the dynamic parameters to the returned hash table of documents berkley
10:20 AM Revision 400 (metacat): added support for the returnfield parameter
10:19 AM Revision 399 (metacat): is no longer needed because the marine servlet uses all of the metacat properties.
10:17 AM Revision 398 (metacat): a way to access the marine servlet without using javascript
10:16 AM Revision 397 (metacat): updated the URL given the new <returnfield> paramet


11:56 PM Revision 396 (metacat): Folded the functionality from DBSAXDocument into the DocumentImpl class.
Now DocumentImpl handles both the reads and the writes to the database.
Eventually, it will implment the full DOM Doc...
Matt Jones
10:37 PM Revision 395 (metacat): Updated the readxml shell script to use the new DocumentImpl class instead
of the old DBReader class. Matt Jones
10:34 PM Revision 394 (metacat): Removed because the functionality of that class has been
replaced by the more efficient DocumentImpl class. Matt Jones
10:32 PM Revision 393 (metacat): Created new class "DocumentImpl" which represents an XML Document. This
document will eventually implment the DOM Document interface. For now,
it implments all of the functionality that wa...
Matt Jones
02:36 PM Bug #59: create a more general specification for queries
This fix is in progress:
I have added the capability to have <returnfield> tags in a pathquery document
which tell qu...
Chad Berkley
02:34 PM Bug #63: methods in MetaCatServlet should be private not protected
Extraneous methods were changed, the protected, overridable methods are:
Chad Berkley
10:24 AM Bug #31: need dataset id reference from metadata
clarified action needed in subject, making it clear that we need the dataset id
reference in the metadata files in or...
Matt Jones

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