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Home » Archived » BIRT » Can we use group by on combination of two rows?
Can we use group by on combination of two rows? [message #1602770] Thu, 05 February 2015 20:01 Go to next message
Nikhil Mandaara is currently offline Nikhil MandaaraFriend
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Registered: February 2015
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In groups
Can we use group by on combination of two rows?

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Re: Can we use group by on combination of two rows? [message #1602819 is a reply to message #1602770] Thu, 05 February 2015 20:45 Go to previous messageGo to next message
Michael Williams is currently offline Michael WilliamsFriend
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Registered: July 2009
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Combination of rows? or columns? If you mean by two column values, yes, there's an expression option for the group on value. If you mean row, could you explain a little more?

Michael

Developer Evangelist, Silanis

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Re: Can we use group by on combination of two rows? [message #1602896 is a reply to message #1602819] Thu, 05 February 2015 21:55 Go to previous messageGo to next message
Nikhil Mandaara is currently offline Nikhil MandaaraFriend
Messages: 13
Registered: February 2015
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Michael Williams wrote on Thu, 05 February 2015 20:45
Combination of rows? or columns? If you mean by two column values, yes, there's an expression option for the group on value. If you mean row, could you explain a little more?



sorry its column grouping.

What should i use between two columns? row["column1"]+row["column2"]

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Re: Can we use group by on combination of two rows? [message #1602897 is a reply to message #1602896] Thu, 05 February 2015 21:58 Go to previous message
Michael Williams is currently offline Michael WilliamsFriend
Messages: 1925
Registered: July 2009
Senior Member
Yeah. You'd just click the expression builder for the group value and enter whatever way makes sense to combine them. If it's possible that a combination of the two could be repeated improperly, say you have data like:

Column1 | Column2
A | AA
AA | A

what you're wanting to use wouldn't work, it'd be better to do something like: row["field1"] + "_" + row["field2"] or something like that.

Michael

Developer Evangelist, Silanis

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