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Query Tunned for the Search Functionality

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Signed-off-by: Perumal Raj A <perumalraj024@gmail.com>
This commit is contained in:
Perumal Raj A 2025-02-22 05:32:51 +00:00
parent 1615fda9b2
commit 2ab1cef91f
3 changed files with 33 additions and 28 deletions
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48
src/main/java/org/springframework/samples/petclinic/owner/OwnerController.java
View file

@ -92,27 +92,33 @@ class OwnerController {
@GetMapping("/owners")
public String processFindForm(@RequestParam(defaultValue = "1") int page, Owner owner, BindingResult result,
Model model) {
// allow parameterless GET request for /owners to return all records
if (owner.getLastName() == null) {
owner.setLastName(""); // empty string signifies broadest possible search
try {
// allow parameterless GET request for /owners to return all records
if (owner.getLastName() == null) {
owner.setLastName(""); // empty string signifies broadest possible search
}
// find owners by last name
Page<Owner> ownersResults = findPaginatedForOwnersLastName(page, owner.getLastName());
if (ownersResults.isEmpty()) {
// no owners found
result.rejectValue("lastName", "notFound", "not found");
return "owners/findOwners";
}
if (ownersResults.getTotalElements() == 1) {
// 1 owner found
owner = ownersResults.iterator().next();
return "redirect:/owners/" + owner.getId();
}
// multiple owners found
return addPaginationModel(page, model, ownersResults);
}
catch (Exception e) {
e.printStackTrace();// print exception to console or log in file
return "error"; // redirect to generic error page
}
// find owners by last name
Page<Owner> ownersResults = findPaginatedForOwnersName(page, owner.getLastName());
if (ownersResults.isEmpty()) {
// no owners found
result.rejectValue("lastName", "notFound", "not found");
return "owners/findOwners";
}
if (ownersResults.getTotalElements() == 1) {
// 1 owner found
owner = ownersResults.iterator().next();
return "redirect:/owners/" + owner.getId();
}
// multiple owners found
return addPaginationModel(page, model, ownersResults);
}
private String addPaginationModel(int page, Model model, Page<Owner> paginated) {
@ -124,10 +130,10 @@ class OwnerController {
return "owners/ownersList";
}
private Page<Owner> findPaginatedForOwnersName(int page, String lastname) {
private Page<Owner> findPaginatedForOwnersLastName(int page, String lastname) {
int pageSize = 5;
Pageable pageable = PageRequest.of(page - 1, pageSize);
return owners.findByNameContaining(lastname, pageable);
return owners.findByLastNameStartingWith(lastname, pageable);
}
@GetMapping("/owners/{ownerId}/edit")

7
src/main/java/org/springframework/samples/petclinic/owner/OwnerRepository.java
View file

@ -27,8 +27,6 @@ import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import org.springframework.transaction.annotation.Transactional;
/**
* Repository class for <code>Owner</code> domain objects All method names are compliant
* with Spring Data naming conventions so this interface can easily be extended for Spring
@ -58,9 +56,8 @@ public interface OwnerRepository extends JpaRepository<Owner, Integer> {
* found)
*/
@Query("SELECT o FROM Owner o " + "WHERE LOWER(o.firstName) LIKE LOWER(CONCAT('%', :namePart, '%')) "
+ "OR LOWER(o.lastName) LIKE LOWER(CONCAT('%', :namePart, '%'))")
Page<Owner> findByNameContaining(@Param("namePart") String namePart, Pageable pageable);
@Query("SELECT o FROM Owner o WHERE LOWER(CONCAT(o.firstName, ' ', o.lastName)) LIKE LOWER(CONCAT('%', :namePart, '%'))")
Page<Owner> findByLastNameStartingWith(@Param("namePart") String namePart, Pageable pageable);
/**
* Retrieve an {@link Owner} from the data store by id.

6
src/main/resources/application.properties
View file

@ -18,8 +18,10 @@ management.endpoints.web.exposure.include=*
# Logging
logging.level.org.springframework=INFO
# logging.level.org.springframework.web=DEBUG
# logging.level.org.springframework.context.annotation=TRACE
logging.level.org.springframework.web=DEBUG
logging.level.org.springframework.context.annotation=TRACE
logging.level.org.springframework=DEBUG
logging.level.org.hibernate.SQL=DEBUG
# Maximum time static resources should be cached
spring.web.resources.cache.cachecontrol.max-age=12h