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Metadata for dataset [message #1785566]

Mon, 16 April 2018 20:02

VinceG Mising name is currently offline

VinceG Mising name

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Messages: 11
Registered: August 2011

Junior Member

Anytime a dataset runs in a BIRT report, it executes prepare method which ultimately the driver executes metadata query against the DB. (eg generated query by DB driver such as ..... all_arguments).
This is a big performance issue.

Question 1:
Any way to turn off the getmetadata call?
In DataSourceQuery it says: "If ODA can provide result metadata, get it now"

DB: Oracle
BIRT version: 4.4.0

Thanks
Vincent

[Updated on: Wed, 18 April 2018 14:11]

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Re: Metadata for dataset [message #1785699 is a reply to message #1785566]

Wed, 18 April 2018 14:12

VinceG Mising name is currently offline

VinceG Mising name

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Messages: 11
Registered: August 2011

Junior Member

Edited message above after further research.

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Re: Metadata for dataset [message #1785702 is a reply to message #1785699]

Wed, 18 April 2018 14:52

VinceG Mising name is currently offline

VinceG Mising name

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Messages: 11
Registered: August 2011

Junior Member

Different question: it appears there is some caching capability. How does that work and how to set the caching for the metadata?

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