method
register_handler
Ruby on Rails latest stable (v7.1.3.2)
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0 notes -
Class: ActiveRecord::PredicateBuilder
- 1.0.0
- 1.1.6
- 1.2.6
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- 7.1.3.4
- What's this?
register_handler(klass, handler)
public
Define how a class is converted to Arel nodes when passed to where. The handler can be any object that responds to call, and will be used for any value that +===+ the class given. For example:
MyCustomDateRange = Struct.new(:start, :end) handler = proc do |column, range| Arel::Nodes::Between.new(column, Arel::Nodes::And.new([range.start, range.end]) ) end ActiveRecord::PredicateBuilder.register_handler(MyCustomDateRange, handler)