Function unionAstToSteps

packages/graph/src/astToSteps.ts:478–484

(unionQuery: UnionQuery)

 * @returns A single-element array containing the QueryUnionStep.
 */
export function unionAstToSteps(unionQuery: UnionQuery): readonly Step<any>[] {
  // Convert each query in the union to its own step pipeline
  const branches = unionQuery.queries.map((query) => astToSteps(query));

  // Create a QueryUnionStep that combines all branches
  return [new QueryUnionStep({ all: unionQuery.all }, branches as Step<any>[][])];
}

/**
 * Convert any parsed AST (Query, UnionQuery, or MultiStatement) to steps.