[JBoss JIRA] Created: (TEIID-1753) FileStore compaction issues
by Steven Hawkins (JIRA)
FileStore compaction issues
---------------------------
Key: TEIID-1753
URL: https://issues.jboss.org/browse/TEIID-1753
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 7.1
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Priority: Blocker
Fix For: 7.4.1, 7.6
Compaction does not reset the unused space counter, which means that large files will continually be compacted. Also the compaction copy logic does not copy the correct bytes past the first buffer boundary. Finally the batch cleanup logic is not properly coordinated against a simultaneous compaction.
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13 years, 10 months
[JBoss JIRA] (TEIID-142) Introduce a mechanism to allow single source updates without an xa txn.
by Steven Hawkins (Closed) (JIRA)
[ https://issues.jboss.org/browse/TEIID-142?page=com.atlassian.jira.plugin.... ]
Steven Hawkins closed TEIID-142.
--------------------------------
> Introduce a mechanism to allow single source updates without an xa txn.
> -----------------------------------------------------------------------
>
> Key: TEIID-142
> URL: https://issues.jboss.org/browse/TEIID-142
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Affects Versions: 9.x
> Reporter: Steven Hawkins
> Priority: Minor
>
> Defect Tracker #24910: txnAutoWrap = OFF in 5.5 disables the use of local transactions. This was primarily done to support customers who 1. weren't paying for the transactional product
> 2. weren't using an XA connection for an update
> The concern of 1 goes away in 5.6 as all customers will have a transactional product. The secondary concern requires either a connection property that either ignores autocommit or the generic support of 1 phase commit on connectors supporting update and local transactions. The latter solution would allow non-XA aware connectors to seem XA aware as long as all updates went to a single source. Arjuna would also need to be configured to support the one phase commit optimization.
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13 years, 10 months
[JBoss JIRA] (TEIID-1812) Client Recieving java.lang.IndexOutOfBoundsException when performing query
by Graeme Gillies (Created) (JIRA)
Client Recieving java.lang.IndexOutOfBoundsException when performing query
--------------------------------------------------------------------------
Key: TEIID-1812
URL: https://issues.jboss.org/browse/TEIID-1812
Project: Teiid
Issue Type: Bug
Affects Versions: 7.5
Environment: java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9.8) (rhel-1.22.1.9.8.el5_6-x86_64)
OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode)
Running on RHEL 5, teiid inside of JBoss EAP 5.1.1
Client is postgresql command line tool version postgresql-9.1.1-1.fc16.x86_64
Using the command line command
psql -h teiid-01.app.eng.bos.redhat.com -p 35432 -U teiid -d EngVDBF
Reporter: Graeme Gillies
Assignee: Steven Hawkins
When attempting to perform the following query using the postgres command line client connecting to teiids postgres emulation layer, we get the following error
{code}
SELECT components.name, COUNT(bug_id) FROM BugzillaS.bugs bugs, BugzillaS.components components, BugzillaS.profiles profiles WHERE (bugs.component_id =
components.id AND bugs.reporter = profiles.userid AND bugs.creation_ts>='2011-10-04') GROUP BY components.name ORDER BY components.name limit 1500;
{code}
{code}
ERROR: java.lang.IndexOutOfBoundsException
DETAIL: org.teiid.jdbc.TeiidSQLException: java.lang.IndexOutOfBoundsException
{code}
Watching the server logs we don't see any such exception reported there, so I'd need some advice on how to get you some more information.
Regards,
Graeme
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13 years, 10 months
[JBoss JIRA] (TEIID-1826) RFE/possible optimization: push down parts of some aggregate expressions
by Steven Hawkins (Closed) (JIRA)
[ https://issues.jboss.org/browse/TEIID-1826?page=com.atlassian.jira.plugin... ]
Steven Hawkins closed TEIID-1826.
---------------------------------
> RFE/possible optimization: push down parts of some aggregate expressions
> ------------------------------------------------------------------------
>
> Key: TEIID-1826
> URL: https://issues.jboss.org/browse/TEIID-1826
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Reporter: Debbie Steigner
> Assignee: Steven Hawkins
> Priority: Optional
>
> suggestion for a potential optimization: It concerns federated queries which do expressions. This is an extremely common requirement in the banking business, the main example being when monetary amounts need to be converted into a reporting currency using a rate in another database.
> With the query below, it makes sense that despite the group by, EDS will pull back all the rows so it can multiply one by the other. Unfortunately this is often many millions of records.
> Would it be feasible to have an optimization which push-down most of the aggregation to the source, then do a further aggregation in EDS?
> * sum the tsl.func_amount, grouped by tsl.currency
> * next: get the conversion rates for all the currency codes which have been returned, then sum(total * rate)
> Of course, this can only be done for certain kinds of expressions.
> select sum(tsl.func_amount * ccy.EuroConversionLegacyRate)
> from TSL_FINANCIAL_ACCOUNT_ITEMS_T2 tsl
> join t_sdm_currency ccy on tsl.currency = ccy.currencycode
> where tsl.business_date = '2011-06-29'
> group by ccy.EuroConversionLegacyRate
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13 years, 10 months
[JBoss JIRA] (TEIID-999) Create valid capabilities support for MS Excel and MS Access JDBC-ODBC Connectors
by Steven Hawkins (Updated) (JIRA)
[ https://issues.jboss.org/browse/TEIID-999?page=com.atlassian.jira.plugin.... ]
Steven Hawkins updated TEIID-999:
---------------------------------
Parent: TEIID-965
Issue Type: Sub-task (was: Feature Request)
> Create valid capabilities support for MS Excel and MS Access JDBC-ODBC Connectors
> ---------------------------------------------------------------------------------
>
> Key: TEIID-999
> URL: https://issues.jboss.org/browse/TEIID-999
> Project: Teiid
> Issue Type: Sub-task
> Components: Misc. Connectors
> Environment: MS Excel 2003
> Reporter: Larry O'Leary
> Fix For: Open To Community
>
> Original Estimate: 4 hours
> Remaining Estimate: 4 hours
>
> Create a capabilities set that can be used by the MS Access and MS Excel connectors. We currently offer the MS Excel connector which is using the generic JDBC capabilities and translators and the MS Access connector which is using its own capabilities and translators but they do not reflect MS Access.
> The replacement connector types should work very much like the current ones but reflect the base capabilities offered by MS JET 4 and specific capabilities as defined by the MS Excel and MS Access limitations to the MS JET 4 implementation. At bare minimum we should support push-down of all currently defined capabilities and remove any current ones that are not valid for MS JET/MS Access/MS Excel.
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13 years, 10 months
[JBoss JIRA] Created: (TEIID-1070) Create Amazon SimpleDB Connector
by John Doyle (JIRA)
Create Amazon SimpleDB Connector
---------------------------------
Key: TEIID-1070
URL: https://jira.jboss.org/jira/browse/TEIID-1070
Project: Teiid
Issue Type: Feature Request
Components: Misc. Connectors
Reporter: John Doyle
Assignee: John Doyle
Fix For: 7.1
We need connectivity to Amazon SimpleDB. This should be accomplished through a dedicated connector.
Simple DB presents a few challenges as a Teiid source as it is more like a spreadsheet than a database. Simple DB "Domains' are like individual worksheets and contain any number of items. Items however can have any number of attributes, and the attributes do not have to be the same for ever item. So in a single Domain you can have an item with the attributes Size and Color, and another item with the attributes Color and ExpirationDate. This presents both modeling issues and SQL execution issues. None of them are insurmountable, but users will have to understand the issues and design their integration around them.
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13 years, 10 months