diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/join_dependency.rb')
-rw-r--r-- | activerecord/lib/active_record/associations/join_dependency.rb | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb index ab62131490..2a558074d8 100644 --- a/activerecord/lib/active_record/associations/join_dependency.rb +++ b/activerecord/lib/active_record/associations/join_dependency.rb @@ -91,9 +91,14 @@ module ActiveRecord @tables.flat_map { |t| t.columns } end - class Table < Struct.new(:table, :columns) + class Table < Struct.new(:name, :alias, :columns) + def table + Arel::Nodes::TableAlias.new name, self.alias + end + def columns - super.map { |column| table[column.name].as Arel.sql column.alias } + t = table + super.map { |column| t[column.name].as Arel.sql column.alias } end end Column = Struct.new(:name, :alias) @@ -101,11 +106,10 @@ module ActiveRecord def aliases Aliases.new join_root.each_with_index.map { |join_part,i| - table = join_part.aliased_table columns = join_part.column_names.each_with_index.map { |column_name,j| Aliases::Column.new column_name, "t#{i}_r#{j}" } - Aliases::Table.new(table, columns) + Aliases::Table.new(join_part.table, join_part.aliased_table_name, columns) } end |