[JBoss JIRA] Moved: (TEIID-972) Update sessionservice properties
by Van Halbert (JIRA)
[ https://jira.jboss.org/jira/browse/TEIID-972?page=com.atlassian.jira.plug... ]
Van Halbert moved JBEDSP-996 to TEIID-972:
------------------------------------------
Project: Teiid (was: JBoss Enterprise Data Services Platform)
Key: TEIID-972 (was: JBEDSP-996)
Component/s: Documentation
Server
(was: Documentation)
(was: Server)
Fix Version/s: (was: Westport)
Affects Version/s: 7.1
(was: 5.5.3)
> Update sessionservice properties
> --------------------------------
>
> Key: TEIID-972
> URL: https://jira.jboss.org/jira/browse/TEIID-972
> Project: Teiid
> Issue Type: Task
> Components: Documentation, Server
> Affects Versions: 7.1
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Original Estimate: 4 hours
> Remaining Estimate: 4 hours
>
> The session service was simplified, we need to remove properties that are no longer in use. Only the following are still in use:
> security.session.terminationHandlers
> metamatrix.session.max.connections
> metamatrix.session.time.limit
> metamatrix.session.sessionMonitor.ActivityInterval
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14 years, 10 months
[JBoss JIRA] Moved: (TEIID-969) Time, date, and timestamp literals are being sent to Oracle as to_timestamp() regardless of their data type
by Van Halbert (JIRA)
[ https://jira.jboss.org/jira/browse/TEIID-969?page=com.atlassian.jira.plug... ]
Van Halbert moved JBEDSP-1142 to TEIID-969:
-------------------------------------------
Project: Teiid (was: JBoss Enterprise Data Services Platform)
Key: TEIID-969 (was: JBEDSP-1142)
Component/s: JDBC Connector
(was: Connectors)
Fix Version/s: (was: Westport)
(was: 5.5.3)
(was: 5.5.4)
Affects Version/s: 7.1
(was: 5.5.3)
(was: 5.5.4)
> Time, date, and timestamp literals are being sent to Oracle as to_timestamp() regardless of their data type
> -----------------------------------------------------------------------------------------------------------
>
> Key: TEIID-969
> URL: https://jira.jboss.org/jira/browse/TEIID-969
> Project: Teiid
> Issue Type: Bug
> Components: JDBC Connector
> Affects Versions: 7.1
> Environment: MMServer 5.5.3
> Oracle 10i
> Oracle ANSI Connector
> Reporter: Larry O'Leary
> Assignee: Larry O'Leary
> Attachments: mylyn-context.zip
>
> Original Estimate: 0 minutes
> Remaining Estimate: 0 minutes
>
> Source model uses a MetaMatrix type of timestamp and a native type of DATE. In prior releases this seems to have resulted in literal values that are being compared to the modeled column to be sent to Oracle as to_date(). Now, they are being sent as to_timestamp() which results in indexes being ignoreed for columns that are of DATE type.
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14 years, 10 months
[JBoss JIRA] Moved: (TEIID-968) Timestamp literals with fractional seconds result in source query execution performance when being compared to less percise time types
by Van Halbert (JIRA)
[ https://jira.jboss.org/jira/browse/TEIID-968?page=com.atlassian.jira.plug... ]
Van Halbert moved JBEDSP-1143 to TEIID-968:
-------------------------------------------
Project: Teiid (was: JBoss Enterprise Data Services Platform)
Key: TEIID-968 (was: JBEDSP-1143)
Component/s: (was: Connectors)
(was: Query)
Fix Version/s: (was: Westport)
(was: 5.5.3)
(was: 5.5.4)
Affects Version/s: 7.1
(was: 5.5.3)
(was: 5.5.4)
> Timestamp literals with fractional seconds result in source query execution performance when being compared to less percise time types
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: TEIID-968
> URL: https://jira.jboss.org/jira/browse/TEIID-968
> Project: Teiid
> Issue Type: Feature Request
> Affects Versions: 7.1
> Environment: MM 5.5.3
> Oracle 10i
> Oracle ANSI Connector
> Reporter: Larry O'Leary
> Assignee: Larry O'Leary
> Attachments: mylyn-context.zip
>
> Original Estimate: 0 minutes
> Remaining Estimate: 0 minutes
>
> Seeing that the only "time" type for MetaMatrix is timestamp and Oracle uses DATE to store time and TIMESTAMP to store time with fractional seconds we need a method of sending a timestamp as a literal that Oracle can use as a DATE instead of requiring the comparison to be normalized to TIMESTAMP as this results in a huge performance hit within Oracle.
> It is possible to change this behaviour by actually setting a date only column to MetaMatrix date in the model but this does not account for situations where a DATE column in Oracle holds date and time information. In those cases, I would still need to use timestamp for MetaMatrix and this would result in a huge performance impact.
> Oracle will automatically use the widest type possible when doing comparisons so if I store date only data in a DATE column and then attempt to query using criteria on that column such ad {d'2000-01-01'} the date literal gets converted to {ts'2000-01-01 00:00:00.0'} prior to it being sent to Oracle. This will result in Oracle converting my DATE column into a TIMESTAMP column to handle the comparison.
> The current DataDirect driver we are using actually accounts for this issue when dealing with timestamp literals. Basically, if the timestamp literal does not include fractional seconds, the driver will pass it to Oracle as a date instead of a timestamp. This greatly improves performance in these situations.
> So, if the current logic is kept, but we simply truncate the timestamp literal to remove the fractional seconds, we get the advantage of the driver performing better type mapping in this situation.
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14 years, 10 months
[JBoss JIRA] Moved: (TEIID-966) User (principal) name in MetaMatrix should be consistently the same string
by Van Halbert (JIRA)
[ https://jira.jboss.org/jira/browse/TEIID-966?page=com.atlassian.jira.plug... ]
Van Halbert moved JBEDSP-1097 to TEIID-966:
-------------------------------------------
Project: Teiid (was: JBoss Enterprise Data Services Platform)
Key: TEIID-966 (was: JBEDSP-1097)
Component/s: Query Engine
(was: Server)
Fix Version/s: (was: Westport)
Affects Version/s: (was: 5.5.2)
(was: 5.5.3)
(was: 5.5.1)
(was: 5.5)
> User (principal) name in MetaMatrix should be consistently the same string
> --------------------------------------------------------------------------
>
> Key: TEIID-966
> URL: https://jira.jboss.org/jira/browse/TEIID-966
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Reporter: Debbie Steigner
> Assignee: Steven Hawkins
>
> The issue has to do with the way we represent a user's name. Customer uses LDAP for a membership domain. Sometimes, the user's name is their cn, followed by "@" plus the domain name, e.g.:
> username@LDAP
> Sometimes, it's simply the user name. e.g.:
> username
> This name is recorded in the audit logs, used throughout Console, and perhaps most importantly, is the name returned by the USER() system function.
> The problem is that we use the return value of USER() to record information about who is doing things. Later, we make comparisons against this info to control access, etc. This comparison often fails, even though we may be comparing the same identity, due to this inconsistency.
> Workaround for the USER() function: build in special logic within each procedure to strip out the @LDAP if it is present.
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14 years, 10 months