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Data type characteristics [message #990369]

Wed, 12 December 2012 08:22

Bastiaan ten Broeke

Messages: 5
Registered: December 2012

Junior Member

To create a report in Birt there is the option to select a data type for the selected and calculated numbers that are used.
For numbers the available types are Decimal, Float and Integer.
I would like to know what the characteristics of these types are.
What is the accuracy of each type and does it affect the performance and if so how much?

Where can I find these characteristics?

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Re: Data type characteristics [message #990469 is a reply to message #990369]

Wed, 12 December 2012 15:54

Michael Williams

Messages: 1925
Registered: July 2009

Senior Member

Can you explain more about what you're wanting to know? These are just standard java/javascript types, I believe. The java.lang package.

Michael

Developer Evangelist, Silanis

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Re: Data type characteristics [message #990571 is a reply to message #990469]

Thu, 13 December 2012 08:51

Bastiaan ten Broeke

Messages: 5
Registered: December 2012

Junior Member

I would like to know what the significance (amount of correct numbers) is of the types Decimal and Float. By default BIRT uses float for the number I want to compute but I also heard that float types are not significant enough for calculations.

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