WIP : add union type for testing purpose

api/src/engine/connectors/exareme/converters.ts

@@ -122,6 +122,6 @@ export const dataToTransient = (data: TransientDataResult): Experiment => {
 
   return {
     title: data.name,
-    result: tables,
+    results: tables,
   };
 };

api/src/engine/models/experiment/experiment.model.ts

-import { Field, GraphQLISODateTime, ObjectType } from '@nestjs/graphql';
-import { Result } from '../result/result.model';
+import {
+  createUnionType,
+  Field,
+  GraphQLISODateTime,
+  ObjectType,
+} from '@nestjs/graphql';
+import { DummyResult } from '../result/dummy-result.model';
+import { TableResult } from '../result/table-result.model';
+
+export const ResultUnion = createUnionType({
+  name: 'ResultUnion',
+  types: () => [TableResult, DummyResult],
+  resolveType(value) {
+    if (value.metadatas) {
+      return TableResult;
+    }
+    if (value.listMax) {
+      return DummyResult;
+    }
+
+    return null;
+  },
+});
 
 @ObjectType()
 export class Experiment {
@@ -18,6 +39,6 @@ export class Experiment {
   @Field(() => GraphQLISODateTime, { nullable: true })
   finished_at?: Date;
 
-  @Field(() => [Result])
-  result: Result[];
+  @Field(() => [ResultUnion])
+  results: Array<typeof ResultUnion>;
 }

api/src/engine/models/result/dummy-result.model.ts

+import { Field, ObjectType } from '@nestjs/graphql';
+import { Result } from './common/result.model';
+
+@ObjectType()
+export class DummyResult extends Result {
+  @Field()
+  name: string;
+
+  @Field(() => [[String]])
+  data: string[][];
+
+  @Field(() => [String])
+  listMax: string[];
+}

api/src/engine/models/result/table-result.model.ts

 import { Field, ObjectType } from '@nestjs/graphql';
 import { MetaData } from './common/metadata.model';
-import { Result } from './result.model';
+import { Result } from './common/result.model';
 
 @ObjectType()
 export class TableResult extends Result {

api/src/schema.gql

@@ -34,8 +34,9 @@ type Domain {
   rootGroup: Group!
 }
 
-type Result {
-  groupBy: String
+type MetaData {
+  name: String!
+  type: String!
 }
 
 type Experiment {
@@ -44,7 +45,7 @@ type Experiment {
   created_at: DateTime
   update_at: DateTime
   finished_at: DateTime
-  result: [Result!]!
+  results: [ResultUnion!]!
 }
 
 """
@@ -52,9 +53,20 @@ A date-time string at UTC, such as 2019-12-03T09:54:33Z, compliant with the date
 """
 scalar DateTime
 
-type MetaData {
+union ResultUnion = TableResult | DummyResult
+
+type TableResult {
+  groupBy: String
   name: String!
-  type: String!
+  data: [[String!]!]!
+  metadatas: [MetaData!]!
+}
+
+type DummyResult {
+  groupBy: String
+  name: String!
+  data: [[String!]!]!
+  listMax: [String!]!
 }
 
 type Query {