Join handler for relationships that join with a subquery as the left field.
LEFT JOIN node node_term_data ON ([YOUR SUBQUERY HERE]) = node_term_data.nid
same as views_join class above, except:
- left_query: The subquery to use in the left side of the join clause.
Expanded class hierarchy of views_join_subquery
- core/modules/views/includes/handlers.inc, line 1159
- Defines the various handler objects to help build and display views.