You could do something like the following:
return (doc['date2'].value.millis - doc['date1'].value.millis) / 1000 / 60 / 60 / 24;
You could do something like the following:
return (doc['date2'].value.millis - doc['date1'].value.millis) / 1000 / 60 / 60 / 24;
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