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module ActiveRecord
class Relation
class WhereClauseFactory # :nodoc:
def initialize(klass, predicate_builder)
@klass = klass
@predicate_builder = predicate_builder
end
def build(opts, other)
binds = []
case opts
when String, Array
parts = [klass.send(:sanitize_sql, other.empty? ? opts : ([opts] + other))]
when Hash
attributes = predicate_builder.resolve_column_aliases(opts)
attributes = klass.send(:expand_hash_conditions_for_aggregates, attributes)
attributes.stringify_keys!
attributes, binds = predicate_builder.create_binds(attributes)
parts = predicate_builder.build_from_hash(attributes)
when Arel::Nodes::Node
parts = [opts]
binds = other
else
raise ArgumentError, "Unsupported argument type: #{opts} (#{opts.class})"
end
WhereClause.new(parts, binds)
end
protected
attr_reader :klass, :predicate_builder
end
end
end
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