Compound Predicates in SwiftData

Single predicates work for simple filters. Real apps need multiple conditions that change based on user input.

Compound Predicates solve that.

What's covered:

  • What Compound Predicates are (and why they matter)
  • Using Predicate(all:) — all conditions must match
  • Using Predicate(any:) — at least one condition matches
  • Building search that combines text, filters, and toggles
  • Keeping query logic clean and maintainable

Real example: An expense tracker that filters by category and date range or search text — all built from small, testable predicate components.

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