Use fully qualified names in ORDER BY clause.

Closes #680

Author: mp911de

src/test/java/org/springframework/data/r2dbc/core/R2dbcEntityTemplateUnitTests.java

@@ -155,7 +155,7 @@ void shouldSelectByCriteria() {
 		StatementRecorder.RecordedStatement statement = recorder.getCreatedStatement(s -> s.startsWith("SELECT"));
 
 		assertThat(statement.getSql())
-				.isEqualTo("SELECT person.* FROM person WHERE person.THE_NAME = $1 ORDER BY THE_NAME ASC");
+				.isEqualTo("SELECT person.* FROM person WHERE person.THE_NAME = $1 ORDER BY person.THE_NAME ASC");
 		assertThat(statement.getBindings()).hasSize(1).containsEntry(0, Parameter.from("Walter"));
 	}
 
@@ -196,7 +196,7 @@ void shouldSelectOne() {
 		StatementRecorder.RecordedStatement statement = recorder.getCreatedStatement(s -> s.startsWith("SELECT"));
 
 		assertThat(statement.getSql())
-				.isEqualTo("SELECT person.* FROM person WHERE person.THE_NAME = $1 ORDER BY THE_NAME ASC LIMIT 2");
+				.isEqualTo("SELECT person.* FROM person WHERE person.THE_NAME = $1 ORDER BY person.THE_NAME ASC LIMIT 2");
 		assertThat(statement.getBindings()).hasSize(1).containsEntry(0, Parameter.from("Walter"));
 	}
 

src/test/java/org/springframework/data/r2dbc/core/StatementMapperUnitTests.java

@@ -77,6 +77,7 @@ void shouldMapSelectWithPage() {
 
 		PreparedOperation<?> preparedOperation = mapper.getMappedObject(selectSpec);
 
-		assertThat(preparedOperation.toQuery()).isEqualTo("SELECT table.* FROM table ORDER BY id DESC LIMIT 2 OFFSET 2");
+		assertThat(preparedOperation.toQuery())
+				.isEqualTo("SELECT table.* FROM table ORDER BY table.id DESC LIMIT 2 OFFSET 2");
 	}
 }

src/test/java/org/springframework/data/r2dbc/repository/query/PartTreeR2dbcQueryUnitTests.java

@@ -430,7 +430,8 @@ void createsQueryToFindAllEntitiesByIntegerAttributeWithDescendingOrderingByStri
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
 		assertThat(preparedOperation.get())
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age = $1 ORDER BY last_name DESC");
+				.isEqualTo(
+						"SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age = $1 ORDER BY users.last_name DESC");
 	}
 
 	@Test // gh-282
@@ -442,7 +443,8 @@ void createsQueryToFindAllEntitiesByIntegerAttributeWithAscendingOrderingByStrin
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
 		assertThat(preparedOperation.get())
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age = $1 ORDER BY last_name ASC");
+				.isEqualTo(
+						"SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age = $1 ORDER BY users.last_name ASC");
 	}
 
 	@Test // gh-282