Function queryDatasetUpstreamDatasetModels

src/data/helper/sourceHelper.ts:314–334

(
    datasetModel: DatasetModel
)

 * @return Always return an array event empty.
 */
export function queryDatasetUpstreamDatasetModels(
    datasetModel: DatasetModel
): DatasetModel[] {
    // Only these attributes declared, we by default reference to `datasetIndex: 0`.
    // Otherwise, no reference.
    if (!datasetModel.get('transform', true)
        && !datasetModel.get('fromTransformResult', true)
    ) {
        return [];
    }

    return queryReferringComponents(
        datasetModel.ecModel,
        'dataset',
        {
            index: datasetModel.get('fromDatasetIndex', true),
            id: datasetModel.get('fromDatasetId', true)
        },
        SINGLE_REFERRING
    ).models as DatasetModel[];
}

/**
 * The rule should not be complex, otherwise user might not