/docs/50/70.md
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1# Field Alias 2 3Sometimes a subset's field can be used so frequently, that it makes 4sense to create a field alias. The idea is to avoid repetiting code 5like 6 7```scala 8val query = subset.where{_.field === 10} 9``` 10 11and instead write 12 13```scala 14val alias = field.in(subset) 15val query = alias === 10 16``` 17 18* * *