Merge pull request #31419 from bakrhaso/31210

Handle text blocks when creating Panache find query

extensions/panache/panache-hibernate-common/runtime/src/main/java/io/quarkus/panache/hibernate/common/runtime/PanacheJpaUtil.java

@@ -61,7 +61,7 @@ public static String createFindQuery(Class<?> entityClass, String query, int par
             return "FROM " + getEntityName(entityClass);
         }
 
-        String trimmed = query.trim();
+        String trimmed = query.replace('\n', ' ').replace('\r', ' ').trim();
         if (trimmed.isEmpty()) {
             return "FROM " + getEntityName(entityClass);
         }

integration-tests/hibernate-orm-panache-kotlin/src/main/kotlin/io/quarkus/it/panache/kotlin/TestEndpoint.kt

@@ -5,6 +5,7 @@ import io.quarkus.panache.common.Page
 import io.quarkus.panache.common.Parameters
 import io.quarkus.panache.common.Sort
 import io.quarkus.panache.common.exception.PanacheQueryException
+import io.quarkus.runtime.annotations.RegisterForReflection
 import jakarta.inject.Inject
 import jakarta.persistence.LockModeType
 import jakarta.persistence.NoResultException
@@ -1091,4 +1092,47 @@ class TestEndpoint {
 
         return "OK"
     }
+
+    @GET
+    @Path("project")
+    @Transactional
+    fun testProject(): String {
+        @RegisterForReflection
+        data class MyProjection(
+            val projectedName: String
+        )
+
+        val mark = Person()
+        mark.name = "Mark"
+        mark.persistAndFlush()
+
+        val hqlWithoutSpace = """
+            select
+                name as projectedName
+            from
+                io.quarkus.it.panache.kotlin.Person
+            where
+                name = ?1
+        """.trimIndent()
+        val withoutSpace = Person.find(hqlWithoutSpace, "Mark").project(MyProjection::class.java).firstResult()
+        Assertions.assertNotNull(withoutSpace)
+        Assertions.assertEquals(mark.name, withoutSpace?.projectedName)
+
+        // There is a space behind "select "
+        val hqlWithSpace = """
+            select 
+                name as projectedName
+            from
+                io.quarkus.it.panache.kotlin.Person
+            where
+                name = ?1
+        """.trimIndent()
+        val withSpace = Person.find(hqlWithSpace, "Mark").project(MyProjection::class.java).firstResult()
+        Assertions.assertNotNull(withSpace)
+        Assertions.assertEquals(mark.name, withSpace?.projectedName)
+
+        Person.deleteAll()
+
+        return "OK"
+    }
 }

integration-tests/hibernate-orm-panache-kotlin/src/test/kotlin/io/quarkus/it/panache/ProjectionTest.kt

@@ -0,0 +1,21 @@
+package io.quarkus.it.panache
+
+import io.quarkus.test.junit.QuarkusIntegrationTest
+import io.quarkus.test.junit.QuarkusTest
+import io.restassured.RestAssured
+import org.hamcrest.Matchers
+import org.junit.jupiter.api.Test
+
+// Native tests
+@QuarkusIntegrationTest
+class ProjectionIT : ProjectionTest()
+
+// Quarkus/JVM tests
+@QuarkusTest
+open class ProjectionTest {
+
+    @Test
+    fun testProject() {
+        RestAssured.`when`()["/test/project"].then().body(Matchers.`is`("OK"))
+    }
+}

integration-tests/java-17/src/main/java/io/quarkus/it/hibernate/panache/person/PersonResource.java

@@ -1,6 +1,7 @@
 package io.quarkus.it.hibernate.panache.person;
 
 import java.net.URI;
+import java.util.Arrays;
 import java.util.List;
 
 import jakarta.transaction.Transactional;
@@ -24,4 +25,39 @@ public Response addPerson(Person person) {
         return Response.created(URI.create("/persons/entity/" + id)).build();
     }
 
+
+    @GET
+    @Path("hql-project")
+    @Transactional
+    public Response testPanacheHqlProject() {
+        var mark = new Person();
+        mark.firstname = "Mark";
+        mark.lastname = "Mark";
+        mark.persistAndFlush();
+
+        var hqlWithoutSpace = """
+                select
+                    firstname,
+                    lastname
+                from
+                    io.quarkus.it.hibernate.panache.person.Person
+                where
+                    firstname = ?1
+                """;
+        var persistedWithoutSpace = Person.find(hqlWithoutSpace, "Mark").project(PersonName.class).firstResult();
+
+        // We need to escape the whitespace in Java otherwise the compiler removes it.
+        var hqlWithSpace = """
+                select\s
+                    firstname,
+                    lastname
+                from
+                    io.quarkus.it.hibernate.panache.person.Person
+                where
+                    firstname = ?1
+                """;
+        var persistedWithSpace = Person.find(hqlWithSpace, "Mark").project(PersonName.class).firstResult();
+
+        return Response.ok(Arrays.asList(persistedWithoutSpace, persistedWithSpace)).build();
+    }
 }

integration-tests/java-17/src/test/java/io/quarkus/it/hibernate/panache/person/PersonResourceTest.java

@@ -4,6 +4,7 @@
 import static io.restassured.RestAssured.when;
 import static org.hamcrest.CoreMatchers.is;
 
+import io.quarkus.test.TestTransaction;
 import org.junit.jupiter.api.Test;
 
 import io.quarkus.it.mongodb.panache.person.Person;
@@ -19,6 +20,7 @@ class PersonResourceTest {
     private static final String ROOT_URL = "/hibernate/persons";
 
     @Test
+    @TestTransaction
     void testRecordInPanache() {
         var person1 = new Person();
         person1.firstname = "Loïc";
@@ -42,4 +44,11 @@ void testRecordInPanache() {
                 .body("size()", is(2));
     }
 
+    @Test
+    @TestTransaction
+    void testHqlPanacheProject() {
+        when().get(ROOT_URL + "/hql-project")
+                .then().statusCode(200)
+                .body("size()", is(2));
+    }
 }