prepare test for non-match because of join tree difference

Author: KSDaemon

packages/cubejs-schema-compiler/test/integration/postgres/pre-aggregations.test.ts

@@ -273,7 +273,7 @@ describe('PreAggregations', () => {
           measures: [count],
           dimensions: [visitor_checkins.source],
           timeDimension: createdAt,
-          granularity: 'day',
+          granularity: 'day'
         }
       }
     })
@@ -378,6 +378,13 @@ describe('PreAggregations', () => {
       select * from cards
       \`,
 
+      joins: {
+        visitor_checkins: {
+          relationship: 'one_to_many',
+          sql: \`\${CUBE.visitorId} = \${visitor_checkins.visitor_id}\`
+        }
+      },
+
       measures: {
         count: {
           type: 'count'
@@ -519,6 +526,23 @@ describe('PreAggregations', () => {
         includes: '*'
       }]
     });
+
+    view('cards_visitors_checkins_view', {
+      cubes: [
+        {
+          join_path: visitors,
+          includes: ['count', 'createdAt']
+        },
+        {
+          join_path: visitors.cards,
+          includes: [{ name: 'visitorId', alias: 'visitorIdFromCards'}]
+        },
+        {
+          join_path: visitors.cards.visitor_checkins,
+          includes: ['source']
+        }
+      ]
+    });
     `);
 
   it('simple pre-aggregation', async () => {
@@ -1177,6 +1201,65 @@ describe('PreAggregations', () => {
     });
   });
 
+  it('non-match because of join tree difference', async () => {
+    await compiler.compile();
+    const query = new PostgresQuery({ joinGraph, cubeEvaluator, compiler }, {
+      measures: [
+        'cards_visitors_checkins_view.count'
+      ],
+      dimensions: ['cards_visitors_checkins_view.source'],
+      timeDimensions: [{
+        dimension: 'cards_visitors_checkins_view.createdAt',
+        granularity: 'day',
+        dateRange: ['2017-01-01', '2017-01-30']
+      }],
+      order: [{
+        id: 'cards_visitors_checkins_view.createdAt'
+      }, {
+        id: 'cards_visitors_checkins_view.source'
+      }],
+      timezone: 'America/Los_Angeles',
+      preAggregationsSchema: ''
+    });
+
+    const queryAndParams = query.buildSqlAndParams();
+    console.log(queryAndParams);
+    const preAggregationsDescription = query.preAggregations?.preAggregationsDescription();
+    expect(preAggregationsDescription.length).toEqual(0);
+
+    return dbRunner.evaluateQueryWithPreAggregations(query).then(res => {
+      expect(res).toEqual(
+        [
+          {
+            cards_visitors_checkins_view__count: '1',
+            cards_visitors_checkins_view__created_at_day: '2017-01-02T00:00:00.000Z',
+            cards_visitors_checkins_view__source: 'google',
+          },
+          {
+            cards_visitors_checkins_view__count: '1',
+            cards_visitors_checkins_view__created_at_day: '2017-01-02T00:00:00.000Z',
+            cards_visitors_checkins_view__source: null,
+          },
+          {
+            cards_visitors_checkins_view__count: '1',
+            cards_visitors_checkins_view__created_at_day: '2017-01-04T00:00:00.000Z',
+            cards_visitors_checkins_view__source: null,
+          },
+          {
+            cards_visitors_checkins_view__count: '1',
+            cards_visitors_checkins_view__created_at_day: '2017-01-05T00:00:00.000Z',
+            cards_visitors_checkins_view__source: null,
+          },
+          {
+            cards_visitors_checkins_view__count: '2',
+            cards_visitors_checkins_view__created_at_day: '2017-01-06T00:00:00.000Z',
+            cards_visitors_checkins_view__source: null,
+          },
+        ]
+      );
+    });
+  });
+
   it('non-leaf additive measure', async () => {
     await compiler.compile();