I would like to use dot notation to extract the year of a date.
q) myDate:2014.01.01;
q) myDate.year
2014i / works OK
But when inside a function,
f:{[x] :x.year};
f[myDate]
I get an error (I use Studio for KDB+)
An error occurred during execution of the query.
The server sent the response:
x.year
What's going wrong?
As per this page on code.kx, this behavior is a quirk of q. To get around this, you can use the cast function.
q)f:{[x] :`year$x}
q)f[myDate]
2014i
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