Fixes flaky tests in PartTreeR2dbcQueryUnitTests.java

The order of selected columns depended on the nondeterministic behavior of getDeclaredFields.

Original pull request spring-projects/spring-data-r2dbc/pull/691

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

@@ -27,6 +27,8 @@ import reactor.core.publisher.Mono;
 import java.lang.reflect.Method;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.List;
+import java.util.ArrayList;
 import java.util.Date;
 
 import org.junit.jupiter.api.BeforeEach;
@@ -66,6 +68,7 @@ import org.springframework.r2dbc.core.binding.BindTarget;
  * @author Mingyuan Wu
  * @author Myeonghyeon Lee
  * @author Diego Krupitza
+ * @author Philmon Roberts
  */
 @ExtendWith(MockitoExtension.class)
 @MockitoSettings(strictness = Strictness.LENIENT)
@@ -110,8 +113,8 @@ class PartTreeR2dbcQueryUnitTests {
 				dataAccessStrategy);
 		PreparedOperation<?> preparedOperation = createQuery(queryMethod, r2dbcQuery, "John");
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name = $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name = $1"));
 	}
 
 	@Test // GH-282
@@ -122,8 +125,8 @@ class PartTreeR2dbcQueryUnitTests {
 				dataAccessStrategy);
 		PreparedOperation<?> preparedOperation = createQuery(queryMethod, r2dbcQuery, new Object[] { null });
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name IS NULL");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name IS NULL"));
 	}
 
 	@Test // GH-282
@@ -147,8 +150,8 @@ class PartTreeR2dbcQueryUnitTests {
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery,
 				getAccessor(queryMethod, new Object[] { "Doe", "John" }));
 
-		assertThat(preparedOperation.get()).isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE
+		assertThat(formatOperation(preparedOperation)).isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE
-				+ ".last_name = $1 AND (" + TABLE + ".first_name = $2)");
+				+ ".last_name = $1 AND (" + TABLE + ".first_name = $2)"));
 	}
 
 	@Test // GH-282
@@ -160,8 +163,8 @@ class PartTreeR2dbcQueryUnitTests {
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery,
 				getAccessor(queryMethod, new Object[] { "Doe", "John" }));
 
-		assertThat(preparedOperation.get()).isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE
+		assertThat(formatOperation(preparedOperation)).isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE
-				+ ".last_name = $1 OR (" + TABLE + ".first_name = $2)");
+				+ ".last_name = $1 OR (" + TABLE + ".first_name = $2)"));
 	}
 
 	@Test // GH-282, gh-349
@@ -175,8 +178,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { from, to });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".date_of_birth BETWEEN $1 AND $2");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".date_of_birth BETWEEN $1 AND $2"));
 
 		BindTarget bindTarget = mock(BindTarget.class);
 		preparedOperation.bindTo(bindTarget);
@@ -194,8 +197,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { 30 });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age < $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age < $1"));
 	}
 
 	@Test // GH-282
@@ -207,8 +210,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { 30 });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age <= $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age <= $1"));
 	}
 
 	@Test // GH-282
@@ -220,8 +223,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { 30 });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age > $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age > $1"));
 	}
 
 	@Test // GH-282
@@ -233,8 +236,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { 30 });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age >= $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age >= $1"));
 	}
 
 	@Test // GH-282
@@ -246,8 +249,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { new Date() });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".date_of_birth > $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".date_of_birth > $1"));
 	}
 
 	@Test // GH-282
@@ -258,8 +261,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { new Date() });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".date_of_birth < $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".date_of_birth < $1"));
 	}
 
 	@Test // GH-282
@@ -271,8 +274,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[0]);
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age IS NULL");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age IS NULL"));
 	}
 
 	@Test // GH-282
@@ -284,8 +287,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[0]);
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age IS NOT NULL");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age IS NOT NULL"));
 	}
 
 	@Test // GH-282
@@ -297,8 +300,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "%John%" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name LIKE $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name LIKE $1"));
 	}
 
 	@Test // GH-282
@@ -310,8 +313,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "%John%" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name NOT LIKE $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name NOT LIKE $1"));
 	}
 
 	@Test // GH-282
@@ -323,8 +326,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "Jo" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name LIKE $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name LIKE $1"));
 	}
 
 	@Test // GH-282
@@ -350,8 +353,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "hn" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name LIKE $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name LIKE $1"));
 	}
 
 	@Test // GH-282
@@ -377,8 +380,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "oh" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name LIKE $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name LIKE $1"));
 	}
 
 	@Test // GH-282
@@ -404,8 +407,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "oh" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name NOT LIKE $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name NOT LIKE $1"));
 	}
 
 	@Test // GH-282
@@ -431,9 +434,9 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "oh" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
 				.isEqualTo(
-						"SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age = $1 ORDER BY users.last_name DESC");
+						formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age = $1 ORDER BY users.last_name DESC"));
 	}
 
 	@Test // GH-282
@@ -444,9 +447,9 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "oh" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
 				.isEqualTo(
-						"SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age = $1 ORDER BY users.last_name ASC");
+						formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age = $1 ORDER BY users.last_name ASC"));
 	}
 
 	@Test // GH-282
@@ -457,8 +460,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "Doe" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".last_name != $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".last_name != $1"));
 	}
 
 	@Test // GH-282
@@ -471,8 +474,8 @@ class PartTreeR2dbcQueryUnitTests {
 				new Object[] { Collections.singleton(25) });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age IN ($1)");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age IN ($1)"));
 	}
 
 	@Test // GH-282
@@ -484,8 +487,8 @@ class PartTreeR2dbcQueryUnitTests {
 				new Object[] { Collections.singleton(25) });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age NOT IN ($1)");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".age NOT IN ($1)"));
 	}
 
 	@Test // GH-282, gh-698
@@ -497,8 +500,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[0]);
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".active = $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".active = $1"));
 	}
 
 	@Test // GH-282, gh-698
@@ -510,8 +513,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[0]);
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".active = $1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".active = $1"));
 	}
 
 	@Test // GH-282
@@ -523,8 +526,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "John" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE UPPER(" + TABLE + ".first_name) = UPPER($1)");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE UPPER(" + TABLE + ".first_name) = UPPER($1)"));
 	}
 
 	@Test // GH-282
@@ -587,8 +590,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "John" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name = $1 LIMIT 3");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name = $1 LIMIT 3"));
 	}
 
 	@Test // GH-282
@@ -600,8 +603,8 @@ class PartTreeR2dbcQueryUnitTests {
 		RelationalParametersParameterAccessor accessor = getAccessor(queryMethod, new Object[] { "John" });
 		PreparedOperation<?> preparedOperation = createQuery(r2dbcQuery, accessor);
 
-		assertThat(preparedOperation.get())
+		assertThat(formatOperation(preparedOperation))
-				.isEqualTo("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name = $1 LIMIT 1");
+				.isEqualTo(formatQuery("SELECT " + ALL_FIELDS + " FROM " + TABLE + " WHERE " + TABLE + ".first_name = $1 LIMIT 1"));
 	}
 
 	@Test // GH-341
@@ -624,8 +627,8 @@ class PartTreeR2dbcQueryUnitTests {
 				dataAccessStrategy);
 		PreparedOperation<?> preparedOperation = createQuery(queryMethod, r2dbcQuery, "John");
 
-		assertThat(preparedOperation.get()).isEqualTo("SELECT " + DISTINCT + " " + TABLE + ".first_name, " + TABLE
+		assertThat(formatOperation(preparedOperation)).isEqualTo(formatQuery("SELECT " + DISTINCT + " " + TABLE + ".first_name, " + TABLE
-				+ ".foo FROM " + TABLE + " WHERE " + TABLE + ".first_name = $1");
+				+ ".foo FROM " + TABLE + " WHERE " + TABLE + ".first_name = $1"));
 	}
 
 	@Test // GH-475
@@ -636,9 +639,9 @@ class PartTreeR2dbcQueryUnitTests {
 				dataAccessStrategy);
 		PreparedOperation<?> preparedOperation = createQuery(queryMethod, r2dbcQuery);
 
-		assertThat(preparedOperation.get()).isEqualTo(
+		assertThat(formatOperation(preparedOperation)).isEqualTo(
-				"SELECT users.id, users.first_name, users.last_name, users.date_of_birth, users.age, users.active FROM "
+				formatQuery("SELECT users.id, users.first_name, users.last_name, users.date_of_birth, users.age, users.active FROM "
-						+ TABLE);
+						+ TABLE));
 	}
 
 	@Test // GH-475
@@ -649,9 +652,9 @@ class PartTreeR2dbcQueryUnitTests {
 				dataAccessStrategy);
 		PreparedOperation<?> preparedOperation = createQuery(queryMethod, r2dbcQuery);
 
-		assertThat(preparedOperation.get()).isEqualTo(
+		assertThat(formatOperation(preparedOperation)).isEqualTo(
-				"SELECT users.id, users.first_name, users.last_name, users.date_of_birth, users.age, users.active FROM "
+				formatQuery("SELECT users.id, users.first_name, users.last_name, users.date_of_birth, users.age, users.active FROM "
-						+ TABLE);
+						+ TABLE));
 	}
 
 	@Test // GH-363
@@ -716,6 +719,59 @@ class PartTreeR2dbcQueryUnitTests {
 		return new RelationalParametersParameterAccessor(queryMethod, values);
 	}
 
+	private static String formatOperation(PreparedOperation<?> preparedOperation){
+		return formatQuery(preparedOperation.get());
+	}
+
+	private static String formatQuery(String query){
+		String firstKeyword = "SELECT";
+		String lastKeyword = "FROM";
+
+		int indexOfFirstKeyWord = query.toUpperCase().indexOf(firstKeyword);
+		int indexOfLastKeyWord = query.toUpperCase().indexOf(lastKeyword);
+
+		if(indexOfFirstKeyWord!=0 || indexOfFirstKeyWord>=indexOfLastKeyWord){
+			return query;
+		}
+
+		String fields = query.substring(firstKeyword.length(), indexOfLastKeyWord);
+		String sortedFields = sortFields(fields);
+
+		StringBuilder formattedQuery = new StringBuilder();
+		formattedQuery.append(firstKeyword);
+		formattedQuery.append(" ");
+		formattedQuery.append(sortedFields);
+		formattedQuery.append(" ");
+		formattedQuery.append(query.substring(indexOfLastKeyWord, query.length()));
+
+		return formattedQuery.toString();
+        }
+
+        private static String sortFields(String fields){
+		List<String> sortedFieldsList = new ArrayList<>();
+		StringBuilder fieldBuilder = new StringBuilder();
+		StringBuilder sortedFields = new StringBuilder();
+
+		for(int i=0;i<fields.length();i++){
+			if(fields.charAt(i)==','){
+				sortedFieldsList.add(fieldBuilder.toString().trim());
+				fieldBuilder = new StringBuilder();
+			}else{
+				fieldBuilder.append(fields.charAt(i));
+			}
+		}
+		sortedFieldsList.add(fieldBuilder.toString().trim());
+		Collections.sort(sortedFieldsList);
+
+		for(String sortedField: sortedFieldsList){
+			if(sortedFieldsList.get(0)!=sortedField){
+				sortedFields.append(", ");
+			}
+			sortedFields.append(sortedField);
+		}
+		return sortedFields.toString();
+        }
+
 	@SuppressWarnings("ALL")
 	interface UserRepository extends Repository<User, Long> {