Activity
From 05/27/2000 to 06/25/2000
06/23/2000
- 04:26 PM Bug #25: nodeid should be generated in safe manner
- DONE
Used different approach:
When next node is to be inserted into xml_nodes table, get a next # from
sequence up in... - 04:24 PM Bug #17: DBWriter uses multiple transactions to load document
- DONE
DB connection for DBWriter is changed to be in no auto commit mode.
It is commited on success and rollback when ... - 12:39 PM Bug #31: need dataset id reference from metadata
- increasing priority because this affects the most basic levels of functionality
of the client. - 12:38 PM Bug #30: get dataguide function needed by client
- lowering priority because this is a search feature that requires the user to
understand complex queries and something... - 12:29 PM Bug #15: metacat depends on Oracle parser, should be SAX
- All of the metacat classes use the SAX2 API now for loading and parsing XML
documents. The specific parser is dynami... - 11:10 AM Bug #23: creating shared pool of connections in metacat servlet
- This idea should be generalized to include a shared pool of connections for most
of the important objects like Connec...
06/21/2000
- 11:40 AM Bug #31 (Resolved): need dataset id reference from metadata
- Need update to relations tag in order to obtain data id from metadata
- 11:38 AM Bug #30 (Resolved): get dataguide function needed by client
- The client needs to be able to ask the server for a LORE style dataguide for
each of the doctypes handled by the ser... - 11:36 AM Bug #29 (Resolved): Download DTDs/Schemas for client
- The client needs to be able to get a list of doctypes from the server in order
to show the list of possible search t...
06/20/2000
- 06:58 PM Bug #28 (Resolved): need doctype backtracing/linking feature as part of doctype filter
- When a user specifies a return type for document types, only those document
types specified are returned. There sho... - 06:54 PM Bug #22: content negotiation for doctypes needed
- Both DBSimpleQuery and, more relevant, DBQuery support specification of the
document type that should be returned as ... - 06:49 PM Bug #24: MetaCatServlet should provide 2 more input parameters to DBWriter: accession# and action
- this bug is only relevant if the update and delete functions are completed
first.
06/19/2000
- 05:53 PM Bug #27 (Resolved): DBReader doesn't recreate COMMENTS and PIs when reading a doc
- DBReader only looks at the ELEMENT, ATTRIBUTE, and TEXT nodes when reading a
document from the database. It needs t... - 04:20 PM Bug #26: need to add NOT operator to pathquery.dtd
- will do.
- 04:19 PM Bug #26 (Resolved): need to add NOT operator to pathquery.dtd
- The query description supported by pathquery.dtd does not currently support the
"NOT' boolean operator, which should... - 02:50 PM Bug #25: nodeid should be generated in safe manner
- DONE
Used different approach:
When next node to be inserted into xml_nodes table, get a next # from
sequence up in th... - 10:44 AM Bug #25 (Resolved): nodeid should be generated in safe manner
- We're going to use sequence and db trigger before insert for nodeid generation,
because it is the fastest way.
But ...
06/16/2000
- 06:15 PM Bug #18: metacat docid and rootnodeid not generated in a safe manner
- Problem fixed for docid assignment.
Using AccessionNumber class for docid generation from DBSAXDocument class.
Now do...
06/15/2000
- 02:32 PM Bug #24 (Resolved): MetaCatServlet should provide 2 more input parameters to DBWriter: accession# and action
- action should be INSERT, UPDATE or DELETE
- 10:00 AM Bug #23 (Resolved): creating shared pool of connections in metacat servlet
- Need changes on MetaCatUtil class to create number of connections on
startup and provide them when needed.
MetaCatU...
06/14/2000
- 07:05 PM Bug #17: DBWriter uses multiple transactions to load document
- jivka is taking care of this -- it depends on the exception handling bug
- 07:00 PM Bug #15: metacat depends on Oracle parser, should be SAX
- the current DBWriter class uses the oracle parser explicitly. See the example
in DBQuery.java to demonstarte how to ...
06/13/2000
- 09:52 PM Bug #22: content negotiation for doctypes needed
- added content negotiation to DBSimpleQuery. Web forms updated to demonstrate
feature by selecting only eml-dataset d... - 04:04 PM Bug #22: content negotiation for doctypes needed
- Will work this into DBSimpleQuery and into the query language -- mbj
- 04:04 PM Bug #22 (Resolved): content negotiation for doctypes needed
- Need to mechanism to express the types of documents that should be returned from
a metadata query. For example, a c... - 10:07 AM Bug #21 (Resolved): metacat redundancy in reader and writer implementation of nodes
- Two node hierarchies inherit from BasicNode in the metacat Reader and Writer
applications. In the DBWriter, the DBS...
06/12/2000
- 07:02 PM Bug #19: need exception handling mechanism
- Some more details about this bug from Jivka and my conversation about this
topic.
We should probably have an error ha... - 06:18 PM Bug #19 (Resolved): need exception handling mechanism
- It should have been assigned to bojilova@nceas.ucsb.edu
- 06:51 PM Bug #20 (Resolved): DBSAXNode constructor can be simplified
- DBSAXNode now takes a DBSAXNode rootnode and a DBSAXDocument currentDoc as part
of the constructor. But really we ... - 01:00 PM Bug #13: metacat doesn't allow updates or deletes
- Reassigned to bojilova. She will modify servlet to allow updates and deletes of
metadata socuments based on docid. ... - 12:57 PM Bug #18: metacat docid and rootnodeid not generated in a safe manner
- Reassigned bug to bojilova. She will fix this bug by chnaging docid assignment
to the AccessionNumber class, and wil... - 09:22 AM Bug #17: DBWriter uses multiple transactions to load document
- made changes on auto commit mode
need changes on exception handling - 09:21 AM Bug #17: DBWriter uses multiple transactions to load document
- made changes to auto commit mode
need changes on exeption handling for
06/08/2000
- 11:16 AM Bug #18 (Resolved): metacat docid and rootnodeid not generated in a safe manner
- when a document or node are inserted into their respective tables, a trigger
generates an ID number for the PK from ... - 11:13 AM Bug #17 (Resolved): DBWriter uses multiple transactions to load document
- When loading a document, each node is insertend into the DB as a different
transaction. If the insertion fails duri... - 10:59 AM Bug #16 (Resolved): validation engine uses OASIS XML Catalog
- need to switch the EntityResolver from the Oasis XML Catalog to the internal,
database-based entity resolver. - 10:58 AM Bug #15 (Resolved): metacat depends on Oracle parser, should be SAX
- need to make metacata only dependant on the SAX parser, probably SAX2 for
namespace support. - 10:56 AM Bug #14 (Resolved): metacat TEXT nodes limited to 4K characters
- The current 4K character limit on metacat TEXT nodes is going to be limiting in
some cases. Need mechanism to split... - 10:54 AM Bug #13 (Resolved): metacat doesn't allow updates or deletes
- The current metacat doesn't allow updates to metadata documents nor deletes of
documents.
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