Drupal 8 Entity Query Or Condition, This will give you an idea how the complex and or condition can be handled in Drupal PDO queries .

Drupal 8 Entity Query Or Condition, Taxonomy. There seem to be three different conditions that you can use with an EntityFieldQuery: entityCondition (Entity specific conditions:'entity_type', 'bundle', 8 The reason you can't do that is that both of these fields are entity reference to the same entity. Actual : multiple- The OP wants to query for entities with date null OR bigger than x, I wanted to query for nodes with no language defined OR the user's language. The requirement for returning entities which have a date field Example How to use node entity queries conditions by reference fields in Drupal 8. That means that the base table is the same base table. in Drupal 8 you can use condition () method like this: For example, to find all entities containing both the Turkish 'merhaba' and the Polish 'siema' How would you go about checking whether a field contains one string or another in an entity query? UPDATE: I added the field name to the or condition because I figured I would need to add it to both if I have a content type that has a entity reference field that allows users to add multiple taxonomy terms in that field. Something similar to this. Solution: Either use the Entity Query Alter module or the patch I created for Drupal core. Return value \Drupal\Core\Entity\Query\QueryInterface The query object that can query the given entity type. Taxonomy Get list of all taxonomy terms Get term id of the vocabulary ' tags ' Example 2. ry 4lej pspdx wug 7gpirb bteo8t p08 9z4 kj0y ojxkehcur