Relationships and Contextual Filters in Drupal: A Practical Insight
A recent in-depth exploration conducted by Mayu Nishimae of Studio Umi shed light on the functionalities of "relationships" and "contextual filters" in Drupal.
Described as the table-joining equivalent of "JOIN" in SQL, "relationships" enable the incorporation of information from different entities, broadening the scope of available data within a view. The "contextual filter," likened to "WHERE" in SQL, facilitates the refined selection of data based on contextual information such as URL parameters and content IDs.
Practical demonstrations showcased the utilization of relationships to display user icons in article lists and the implementation of contextual filters to exhibit related articles based on taxonomy terms and associated content. This expert account provides a clear understanding of these instrumental features for efficient data presentation and retrieval within the Drupal framework.
Learn more here.