module Sequel::Plugins::PgArrayAssociations::DatasetMethods
Private Instance Methods
many_to_pg_array_association_filter_expression(op, ref, obj)
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Support filtering by many_to_pg_array associations using a subquery.
# File lib/sequel/plugins/pg_array_associations.rb 521 def many_to_pg_array_association_filter_expression(op, ref, obj) 522 pk = ref.qualify(model.table_name, ref.primary_key) 523 key = ref[:key] 524 expr = case obj 525 when Sequel::Model 526 if (assoc_pks = obj.get_column_value(key)) && !assoc_pks.empty? 527 Sequel[pk=>assoc_pks.to_a] 528 end 529 when Array 530 if (assoc_pks = obj.map{|o| o.get_column_value(key)}.flatten.compact.uniq) && !assoc_pks.empty? 531 Sequel[pk=>assoc_pks] 532 end 533 when Sequel::Dataset 534 obj.select(ref.qualify(obj.model.table_name, ref[:key_column]).as(:key)).from_self.where{{pk=>any(:key)}}.select(1).exists 535 end 536 expr = Sequel::SQL::Constants::FALSE unless expr 537 expr = add_association_filter_conditions(ref, obj, expr) 538 association_filter_handle_inversion(op, expr, [pk]) 539 end
pg_array_to_many_association_filter_expression(op, ref, obj)
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Support filtering by pg_array_to_many associations using a subquery.
# File lib/sequel/plugins/pg_array_associations.rb 542 def pg_array_to_many_association_filter_expression(op, ref, obj) 543 key = ref.qualify(model.table_name, ref[:key_column]) 544 expr = case obj 545 when Sequel::Model 546 if pkv = obj.get_column_value(ref.primary_key_method) 547 Sequel.pg_array_op(key).contains(Sequel.pg_array([pkv], ref.array_type)) 548 end 549 when Array 550 if (pkvs = obj.map{|o| o.get_column_value(ref.primary_key_method)}.compact) && !pkvs.empty? 551 Sequel.pg_array(key).overlaps(Sequel.pg_array(pkvs, ref.array_type)) 552 end 553 when Sequel::Dataset 554 Sequel.function(:coalesce, Sequel.pg_array_op(key).overlaps(obj.select{array_agg(ref.qualify(obj.model.table_name, ref.primary_key))}), Sequel::SQL::Constants::FALSE) 555 end 556 expr = Sequel::SQL::Constants::FALSE unless expr 557 expr = add_association_filter_conditions(ref, obj, expr) 558 association_filter_handle_inversion(op, expr, [key]) 559 end