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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,55 @@ | ||
module Polyamorous | ||
module JoinAssociationExtensions | ||
# Same as #join_constraints, but instead of constructing tables from the | ||
# given block, uses the ones passed | ||
def join_constraints_with_tables(foreign_table, foreign_klass, join_type, alias_tracker, tables) | ||
joins = [] | ||
chain = [] | ||
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reflection.chain.each.with_index do |reflection, i| | ||
table = tables[i] | ||
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@table ||= table | ||
chain << [reflection, table] | ||
end | ||
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base_klass.with_connection do |connection| | ||
# The chain starts with the target table, but we want to end with it here (makes | ||
# more sense in this context), so we reverse | ||
chain.reverse_each do |reflection, table| | ||
klass = reflection.klass | ||
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join_scope = reflection.join_scope(table, foreign_table, foreign_klass) | ||
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unless join_scope.references_values.empty? | ||
join_dependency = join_scope.construct_join_dependency( | ||
join_scope.eager_load_values | join_scope.includes_values, Arel::Nodes::OuterJoin | ||
) | ||
join_scope.joins!(join_dependency) | ||
end | ||
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arel = join_scope.arel(alias_tracker.aliases) | ||
nodes = arel.constraints.first | ||
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if nodes.is_a?(Arel::Nodes::And) | ||
others = nodes.children.extract! do |node| | ||
!Arel.fetch_attribute(node) { |attr| attr.relation.name == table.name } | ||
end | ||
end | ||
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joins << table.create_join(table, table.create_on(nodes), join_type) | ||
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if others && !others.empty? | ||
joins.concat arel.join_sources | ||
append_constraints(connection, joins.last, others) | ||
end | ||
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# The current table in this iteration becomes the foreign table in the next | ||
foreign_table, foreign_klass = table, klass | ||
end | ||
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joins | ||
end | ||
end | ||
end | ||
end |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,3 +1,3 @@ | ||
module Ransack | ||
VERSION = '4.1.1' | ||
VERSION = '4.2.1' | ||
end |