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https://issues.jboss.org/browse/TEIID-3282?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-3282.
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Resolution: Done
Addressed the inconsistencies with the week function as much as possible. Teiid will
default to the iso 8601 calculation for consistency and sources were updated to match.
The dayOfWeek function was made to always return 1=sunday - 7=saturday regardless as that
is part of the odbc standard and is matched by most sources - that is a slight change from
the behavior that attempt to match the postgresql extract dow logic previous when the
iso8601Week property was set.
We could introduce specific iso_year and iso_day_of_week functions to further allow iso
calculations.
inconsistencies with the week function
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Key: TEIID-3282
URL:
https://issues.jboss.org/browse/TEIID-3282
Project: Teiid
Issue Type: Sub-task
Components: Query Engine
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 8.10
For consistency we could enforce a standard iso behavior for the week function by
default.
For mysql there is the weekofyear function that matches the iso behavior.
hsql uses iso by default
oracle should use iw, not ww
However:
h2 uses the locale (the current teiid behavior)
sqlserver/sybase you can use SET DATEFIRST to move the first day of the week to monday,
but the return values are still not fully iso.
And there are still several others to verify
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