Package io.queryanalyzer.example.controller

Class ExamplesController

java.lang.Object

io.queryanalyzer.example.controller.ExamplesController

@RestController
@RequestMapping("/api/examples")
public class ExamplesController
extends Object

Constructor Summary

Constructors

Constructor	Description
ExamplesController(UserRepository userRepository, OrderRepository orderRepository, org.springframework.jdbc.core.JdbcTemplate jdbcTemplate)

Method Summary

Modifier and Type	Method	Description
org.springframework.http.ResponseEntity<List<Map<String,Object>>>	bestPractices()
org.springframework.http.ResponseEntity<List<Map<String,Object>>>	everythingWrong()	Combines multiple anti-patterns to trigger multiple issues: - N+1 query pattern (orders) - Slow query (via SLEEP)
org.springframework.http.ResponseEntity<List<Map<String,Object>>>	multipleNPlusOne()
org.springframework.http.ResponseEntity<List<Map<String,Object>>>	nPlusOneBad()
org.springframework.http.ResponseEntity<List<Map<String,Object>>>	nPlusOneGood()
org.springframework.http.ResponseEntity<Map<String,Object>>	parameterizedQuery(Long id)
org.springframework.http.ResponseEntity<List<Map<String,Object>>>	queryInLoop()
org.springframework.http.ResponseEntity<List<Map<String,Object>>>	queryInLoopFixed()
org.springframework.http.ResponseEntity<List<Map<String,Object>>>	slowQuery()
org.springframework.http.ResponseEntity<String>	testRateLimit()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ExamplesController

public ExamplesController(UserRepository userRepository,
 OrderRepository orderRepository,
 org.springframework.jdbc.core.JdbcTemplate jdbcTemplate)

Method Details

nPlusOneBad

@GetMapping("/bad/n-plus-one")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<List<Map<String,Object>>> nPlusOneBad()

nPlusOneGood

@GetMapping("/good/n-plus-one-fixed")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<List<Map<String,Object>>> nPlusOneGood()

multipleNPlusOne

@GetMapping("/bad/multiple-n-plus-one")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<List<Map<String,Object>>> multipleNPlusOne()

slowQuery

@GetMapping("/bad/slow-query")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<List<Map<String,Object>>> slowQuery()

queryInLoop

@GetMapping("/bad/query-in-loop")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<List<Map<String,Object>>> queryInLoop()

queryInLoopFixed

@GetMapping("/good/query-in-loop-fixed")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<List<Map<String,Object>>> queryInLoopFixed()

parameterizedQuery

@GetMapping("/parameterized/{id}")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<Map<String,Object>> parameterizedQuery(@PathVariable("id")
 Long id)

everythingWrong

@GetMapping("/bad/everything-wrong")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<List<Map<String,Object>>> everythingWrong()

Combines multiple anti-patterns to trigger multiple issues: - N+1 query pattern (orders) - Slow query (via SLEEP)

bestPractices

@GetMapping("/good/best-practices")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<List<Map<String,Object>>> bestPractices()

testRateLimit

@GetMapping("/test/rate-limit")
@Transactional(readOnly=true)
public org.springframework.http.ResponseEntity<String> testRateLimit()