fix(schema-compiler): fix undefined columns for pre lambda agg queries referencing dims from joined cubes

Author: KSDaemon

packages/cubejs-schema-compiler/src/adapter/PreAggregations.js

@@ -961,7 +961,7 @@ export class PreAggregations {
         }
       );
       if (referencedPreAggregations.length === 0) {
-        throw new UserError(`rollupLambda '${cube}.${preAggregationName}' should reference at least on rollup`);
+        throw new UserError(`rollupLambda '${cube}.${preAggregationName}' should reference at least one rollup`);
       }
       referencedPreAggregations.forEach((referencedPreAggregation, i) => {
         if (i === referencedPreAggregations.length - 1 && preAggObj.preAggregation.unionWithSourceData && preAggObj.cube !== referencedPreAggregations[i].cube) {
@@ -1191,8 +1191,8 @@ export class PreAggregations {
     const targetTimeDimensionsReferences = this.timeDimensionsRenderedReference(rollupGranularity, preAggregationForQuery);
     const targetMeasuresReferences = this.measureAliasesRenderedReference(preAggregationForQuery);
 
-    const columnsFor = (targetReferences, references, preAggregation) => Object.keys(targetReferences).map(
-      member => `${references[this.query.cubeEvaluator.pathFromArray([preAggregation.cube, member.split('.')[1]])]} ${targetReferences[member]}`
+    const columnsFor = (targetReferences, references) => Object.keys(targetReferences).map(
+      member => `${references[member]} ${targetReferences[member]}`
     );
 
     const tables = preAggregationForQuery.referencedPreAggregations.map(preAggregation => {
@@ -1206,9 +1206,9 @@ export class PreAggregations {
           preAggregation.preAggregationName,
           preAggregation.preAggregation
         ),
-        columns: columnsFor(targetDimensionsReferences, dimensionsReferences, preAggregation)
-          .concat(columnsFor(targetTimeDimensionsReferences, timeDimensionsReferences, preAggregation))
-          .concat(columnsFor(targetMeasuresReferences, measuresReferences, preAggregation))
+        columns: columnsFor(targetDimensionsReferences, dimensionsReferences)
+          .concat(columnsFor(targetTimeDimensionsReferences, timeDimensionsReferences))
+          .concat(columnsFor(targetMeasuresReferences, measuresReferences))
       };
     });
     if (tables.length === 1) {