Example I have:
@test = Pakke.find([[4], [5]])
In my Pakke table I have a column named prismd
How do I sum the two values for the prismd
columns for @test?
Example I have: @test = Pakke.find([[4], [5]]) In my Pakke table I have a
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Example I have:
@test = Pakke.find([[4], [5]])
In my Pakke table I have a column named prismd
How do I sum the two values for the prismd
columns for @test?
You can summarize directly on the database by creating the respective SQL like this:
On newer Rails versions (i.e. Rails >= 4.0), you can use an ActiveRecord queries more intuitively, such as:
See ActiveRecord::Calculations for more usage examples and general documentation.