add #

Start an addition function

datediff #

Start a function that return the duration between 2 dates

constant #

Add a constant parameter to the current function

field #

Add a field parameter to the current function

endfunc #

End the current function

build #

Return the completed function definition

subtract #

Start a subtraction function

length #

Start a length function

dayofweek #

Start a function that returns the day of the week of a given date

divide #

Start a division function

concat #

Start a concatenation function

multiply #

Start a multiplication function