Correctly apply Sorting of unpaged `Pageable`.

Closes #1939

spring-data-relational/src/main/java/org/springframework/data/relational/core/query/Query.java

@@ -171,12 +171,12 @@ public class Query {
 	 */
 	public Query with(Pageable pageable) {
 
+		assertNoCaseSort(pageable.getSort());
+
 		if (pageable.isUnpaged()) {
-			return this;
+			return new Query(this.criteria, this.columns, this.sort.and(pageable.getSort()), this.limit, this.offset);
 		}
 
-		assertNoCaseSort(pageable.getSort());
-
 		return new Query(this.criteria, this.columns, this.sort.and(pageable.getSort()), pageable.getPageSize(),
 				pageable.getOffset());
 	}

spring-data-relational/src/test/java/org/springframework/data/relational/core/query/QueryUnitTests.java

@@ -19,16 +19,18 @@ import static org.assertj.core.api.Assertions.*;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Sort;
 
 /**
  * Tests the {@link Query} class.
  *
  * @author Jens Schauder
+ * @author Mark Paluch
  */
 public class QueryUnitTests {
 
-	@Test // DATAJDBC614
+	@Test // DATAJDBC-614
 	public void withCombinesSortAndPaging() {
 
 		Query query = Query.empty() //
@@ -40,7 +42,7 @@ public class QueryUnitTests {
 				.containsExactly("alpha", "beta");
 	}
 
-	@Test // DATAJDBC614
+	@Test // DATAJDBC-614
 	public void withCombinesEmptySortAndPaging() {
 
 		Query query = Query.empty() //
@@ -51,7 +53,7 @@ public class QueryUnitTests {
 				.containsExactly("beta");
 	}
 
-	@Test // DATAJDBC614
+	@Test // DATAJDBC-614
 	public void withCombinesSortAndUnsortedPaging() {
 
 		Query query = Query.empty() //
@@ -62,4 +64,17 @@ public class QueryUnitTests {
 				.extracting(Sort.Order::getProperty) //
 				.containsExactly("alpha");
 	}
+
+	@Test // GH-1939
+	public void withCombinesUnpagedWithSort() {
+
+		Query query = Query.empty() //
+				.with(Pageable.unpaged(Sort.by("beta")));
+
+		assertThat(query.getSort().get()) //
+				.extracting(Sort.Order::getProperty) //
+				.containsExactly("beta");
+		assertThat(query.getLimit()).isEqualTo(-1);
+		assertThat(query.getOffset()).isEqualTo(-1);
+	}
 }