add README

hasura · Dec 26, 2024 · d47f880 · d47f880
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diff --git a/docs/argument_presets.md b/docs/argument_presets.md
@@ -40,13 +40,21 @@ You can use argument presets to set default values to request arguments. Argumen
           "value": 1
         },
         "targets": ["addPet"]
+      },
+      {
+        "path": "body.categories[*].id",
+        "value": {
+          "type": "literal",
+          "value": 1
+        },
+        "targets": []
       }
     ]
   }
 }
 ```
 
-The target argument field is removed from the `arguments` schema if the selector is the root field. If the path selects the nested field the target field becomes nullable.
+The target argument field is removed from the `arguments` schema if the selector is the root field. If the path selects the nested field the target field becomes nullable. Support object properties and array selectors.
 
 ## Configuration options
 

diff --git a/ndc-http-schema/openapi/internal/utils.go b/ndc-http-schema/openapi/internal/utils.go
@@ -380,6 +380,7 @@ func mergeUnionTypes(httpSchema *rest.NDCHttpSchema, a schema.Type, b schema.Typ
 		case slices.Contains(floatTypeRepresentations, typeRepA) && slices.Contains(floatTypeRepresentations, typeRepB):
 			scalarName = rest.ScalarFloat64
 			isMatched = true
+		// use boolean if the union type if oneOf boolean or enum (true, false)
 		case (enumA != nil && len(enumA.OneOf) == 2 && slices.Contains(enumA.OneOf, "true") && slices.Contains(enumA.OneOf, "false") && typeRepB == schema.TypeRepresentationTypeBoolean) ||
 			(enumB != nil && len(enumB.OneOf) == 2 && slices.Contains(enumB.OneOf, "true") && slices.Contains(enumB.OneOf, "false") && typeRepA == schema.TypeRepresentationTypeBoolean):
 			scalarName = rest.ScalarBoolean