feat: create parser to query empty

Signed-off-by: Otavio Santana <otaviopolianasantana@gmail.com>

jnosql-communication/jnosql-communication-semistructured/src/main/java/org/eclipse/jnosql/communication/semistructured/QueryParser.java

@@ -12,6 +12,7 @@
 
 import org.eclipse.jnosql.communication.QueryException;
 
+import java.util.Locale;
 import java.util.Objects;
 import java.util.stream.Stream;
 
@@ -69,15 +70,15 @@ public CommunicationPreparedStatement prepare(String query, String entity, Datab
     }
 
     private String extractQueryCommand(String query){
+        if(query.length() < 6){
+           return "";
+        }
         return query.substring(0, 6).toUpperCase();
     }
 
     private void validation(String query, DatabaseManager manager, CommunicationObserverParser observer) {
         Objects.requireNonNull(query, "query is required");
         Objects.requireNonNull(manager, "manager is required");
         Objects.requireNonNull(observer, "manager is observer");
-        if (query.length() < 6) {
-            throw new QueryException(String.format("The query %s is invalid", query));
-        }
     }
 }

jnosql-mapping/jnosql-mapping-semistructured/src/test/java/org/eclipse/jnosql/mapping/semistructured/query/RepositoryProxyTest.java

@@ -1036,6 +1036,9 @@ default Map<Boolean, List<Person>> partcionate(String name) {
         @Query("FROM Person")
         Optional<Person> findByQuery();
 
+        @Query(" ")
+        Optional<Person> all();
+
         @Query("FROM Person WHERE id = :id")
         Optional<Person> findByQuery(@Param("id") String id);