projections: Spring Data JPA interface, record, nested and dynamic projections with the SQL they generate

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_017ic4b5sejRr8s3kapmRY2g
2026-11-12 23:51:00 +05:30
parent 7d7d4e872e
commit e3d1b550ae
30 changed files with 710 additions and 0 deletions
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+# nested projection: asks for firstName and department.name only
+select e1_0.first_name,d1_0.id,d1_0.location,d1_0.name from employee e1_0 left join department d1_0 on d1_0.id=e1_0.department_id where d1_0.name=?
+columns selected: 4 (1 from employee + 3 from department), entities now managed: 1
+department name read from the projection: Sales
+extra statements after reading it: 0