fix(schema-compiler): Fix filtering by time measure

packages/cubejs-schema-compiler/src/adapter/BaseFilter.ts

@@ -90,6 +90,17 @@
     }
   }
 
+  /**
+   * BaseFilter inherits from BaseDimension while Filter may be measure-based !!
+   */
+  public override dateFieldType() {
+    if (this.measure) {
+      return this.measureDefinition().type; // There is no fieldType in measure, but it seems that it's enough
+    } else {
+      return this.dimensionDefinition().fieldType;
+    }
+  }
+
   public cube() {
     return this.query.cubeEvaluator.cubeFromPath(this.measure || this.dimension);
   }

packages/cubejs-schema-compiler/test/integration/postgres/sql-generation.test.ts

@@ -231,6 +231,10 @@ describe('SQL Generation', () => {
           sql: \`\${revenue}\`,
           type: 'sum',
           group_by: [id]
+        },
+        min_created_at: {
+          type: 'time',
+          sql: 'MIN(created_at)'
         }
       },
 
@@ -1560,6 +1564,45 @@ SELECT 1 AS revenue,  cast('2024-01-01' AS timestamp) as time UNION ALL
     });
   });
 
+  it('having filter (time measure)', async () => {
+    await compiler.compile();
+
+    const query = new PostgresQuery({ joinGraph, cubeEvaluator, compiler }, {
+      measures: [
+        'visitors.min_created_at'
+      ],
+      dimensions: [
+        'visitors.source'
+      ],
+      timeDimensions: [],
+      timezone: 'America/Los_Angeles',
+      filters: [{
+        dimension: 'visitors.min_created_at',
+        operator: 'inDateRange',
+        values: ['2017-01-01', '2018-01-01']
+      }],
+      order: [{
+        id: 'visitors.source'
+      }]
+    });
+
+    console.log(query.buildSqlAndParams());
+
+    return dbRunner.testQuery(query.buildSqlAndParams()).then(res => {
+      console.log(JSON.stringify(res));
+      expect(res).toEqual([
+        {
+          visitors__min_created_at: '2017-01-06T00:00:00.000Z',
+          visitors__source: 'google',
+        },
+        {
+          visitors__min_created_at: '2017-01-03T00:00:00.000Z',
+          visitors__source: 'some',
+        },
+      ]);
+    });
+  });
+
   it('having filter without measure', async () => {
     await compiler.compile();