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 517 def many_to_pg_array_association_filter_expression(op, ref, obj) 518 pk = ref.qualify(model.table_name, ref.primary_key) 519 key = ref[:key] 520 expr = case obj 521 when Sequel::Model 522 if (assoc_pks = obj.get_column_value(key)) && !assoc_pks.empty? 523 Sequel[pk=>assoc_pks.to_a] 524 end 525 when Array 526 if (assoc_pks = obj.map{|o| o.get_column_value(key)}.flatten.compact.uniq) && !assoc_pks.empty? 527 Sequel[pk=>assoc_pks] 528 end 529 when Sequel::Dataset 530 Sequel[pk=>obj.select{Sequel.pg_array_op(ref.qualify(obj.model.table_name, ref[:key_column])).unnest}] 531 end 532 expr = Sequel::SQL::Constants::FALSE unless expr 533 expr = add_association_filter_conditions(ref, obj, expr) 534 association_filter_handle_inversion(op, expr, [pk]) 535 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 538 def pg_array_to_many_association_filter_expression(op, ref, obj) 539 key = ref.qualify(model.table_name, ref[:key_column]) 540 expr = case obj 541 when Sequel::Model 542 if pkv = obj.get_column_value(ref.primary_key_method) 543 Sequel.pg_array_op(key).contains(Sequel.pg_array([pkv], ref.array_type)) 544 end 545 when Array 546 if (pkvs = obj.map{|o| o.get_column_value(ref.primary_key_method)}.compact) && !pkvs.empty? 547 Sequel.pg_array(key).overlaps(Sequel.pg_array(pkvs, ref.array_type)) 548 end 549 when Sequel::Dataset 550 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) 551 end 552 expr = Sequel::SQL::Constants::FALSE unless expr 553 expr = add_association_filter_conditions(ref, obj, expr) 554 association_filter_handle_inversion(op, expr, [key]) 555 end