inject CubeJoinsResolver into inheritance chain

CubeEvaluator extends CubeJoinsResolver extends CubeSymbols

Author: KSDaemon

packages/cubejs-schema-compiler/src/compiler/CubeEvaluator.ts

@@ -17,6 +17,7 @@ import { BaseQuery, PreAggregationDefinitionExtended } from '../adapter';
 import type { CubeValidator } from './CubeValidator';
 import type { ErrorReporter } from './ErrorReporter';
 import { CompilerInterface } from './PrepareCompiler';
+import { CubeJoinsResolver } from './CubeJoinsResolver';
 
 export type SegmentDefinition = {
   type: string;
@@ -157,7 +158,7 @@ export interface EvaluatedCube {
   accessPolicy?: AccessPolicyDefinition[];
 }
 
-export class CubeEvaluator extends CubeSymbols implements CompilerInterface {
+export class CubeEvaluator extends CubeJoinsResolver implements CompilerInterface {
   public evaluatedCubes: Record<string, EvaluatedCube> = {};
 
   public primaryKeys: Record<string, string[]> = {};

packages/cubejs-schema-compiler/src/compiler/CubeJoinsResolver.ts

@@ -16,8 +16,8 @@ export class CubeJoinsResolver extends CubeSymbols implements CompilerInterface
   // 2nd level value: join definition
   private cubeJoinTargets: Record<string, Record<string, JoinDefinition>>;
 
-  public constructor() {
-    super(false); // It seems that we don't need to evaluate views
+  public constructor(evaluateViews = false) {
+    super(evaluateViews);
     this.cubeJoins = {};
     this.cubeJoinAliases = {};
     this.cubeJoinTargets = {};
@@ -55,4 +55,19 @@ export class CubeJoinsResolver extends CubeSymbols implements CompilerInterface
       });
     });
   }
+
+  public resolveSymbol(cubeName: string | null, name: string) {
+    if (this.isCurrentCube(name) && !cubeName) {
+      return null;
+    }
+
+    if (cubeName && this.cubeJoinAliases[cubeName]?.[name]) {
+      // TODO: Write a full implementation
+      // Some kind of proxy like in symbols
+
+      return super.resolveSymbol(cubeName, this.cubeJoinAliases[cubeName]?.[name].name);
+    }
+
+    return super.resolveSymbol(cubeName, name);
+  }
 }