Sha256: d74c36740bc2e837f6b4135a80f22a72fd88c2dccdf4ceca70fc5f991c4945bf

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Size: 1.28 KB

Versions: 26

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Stored size: 1.28 KB

Contents

module ActiveRecord
  class PredicateBuilder

    def initialize(engine)
      @engine = engine
    end

    def build_from_hash(attributes, default_table)
      predicates = attributes.map do |column, value|
        table = default_table

        if value.is_a?(Hash)
          table = Arel::Table.new(column, :engine => @engine)
          build_from_hash(value, table)
        else
          column = column.to_s

          if column.include?('.')
            table_name, column = column.split('.', 2)
            table = Arel::Table.new(table_name, :engine => @engine)
          end

          attribute = table[column] || Arel::Attribute.new(table, column)

          case value
          when Array, ActiveRecord::Associations::AssociationCollection, ActiveRecord::Relation
            values = value.to_a.map { |x|
              x.is_a?(ActiveRecord::Base) ? x.id : x
            }
            attribute.in(values)
          when Range, Arel::Relation
            attribute.in(value)
          when ActiveRecord::Base
            attribute.eq(value.id)
          when Class
            # FIXME: I think we need to deprecate this behavior
            attribute.eq(value.name)
          else
            attribute.eq(value)
          end
        end
      end

      predicates.flatten
    end

  end
end

Version data entries

26 entries across 26 versions & 2 rubygems

Version Path
activerecord-3.0.13.rc1 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.12 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.12.rc1 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.11 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.10 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.10.rc1 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.9 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.9.rc5 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.9.rc4 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.9.rc3 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.9.rc1 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.8 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.8.rc4 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.8.rc2 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.8.rc1 lib/active_record/relation/predicate_builder.rb
square-activerecord-3.0.7 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.7 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.7.rc2 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.7.rc1 lib/active_record/relation/predicate_builder.rb
activerecord-3.0.6 lib/active_record/relation/predicate_builder.rb