JavaSleep89
diff --git a/‎src/main/antlr/Graphql.g4‎
Lines changed: 1 addition & 1 deletion b/‎src/main/antlr/Graphql.g4‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎src/test/groovy/graphql/parser/ParserTest.groovy‎
Lines changed: 13 additions & 0 deletions b/‎src/test/groovy/graphql/parser/ParserTest.groovy‎
Lines changed: 13 additions & 0 deletions
@@ -16,7 +16,7 @@ operationDefinition:
 selectionSet |
 operationType  NAME? variableDefinitions? directives? selectionSet;
 
-operationType : 'query' | 'mutation';
+operationType : NAME;
 
 variableDefinitions : '(' variableDefinition+ ')';
 
 
@@ -373,4 +373,17 @@ class ParserTest extends Specification {
 
     }
 
+    def "`'query'` can be used as field name"() {
+        given:
+        def input = "{ query }"
+
+        when:
+        Document document = new Parser().parseDocument(input)
+
+        then:
+        document.definitions.size() == 1
+        document.definitions[0] instanceof OperationDefinition
+        document.definitions[0].operation == OperationDefinition.Operation.QUERY
+        assertField(document.definitions[0] as OperationDefinition, "query")
+    }
 }