CRM/BatchEntityBatchcivicrm_entity_batchBatch entities (Contributions, Participants, Contacts) to a batch.3.3 id int unsigned true primary key Number 3.3 id true entity_table varchar 64 physical tablename for entity being joined to file, e.g. civicrm_contact 3.3 entity_batch_extends entity_id int unsigned true FK to entity table specified in entity_table column. 3.3 entity_id entity_table 3.3 index_entity entity_table entity_id 3.3 batch_id int unsigned true FK to civicrm_batch civicrm_batch id title Batch 3.3 batch_id civicrm_batch id 3.3 CASCADE UI_batch_entity batch_id entity_id entity_table true 3.3