Function extractIncludesFromSelect

packages/db/src/query/compiler/index.ts:1763–1792

* Walks a Select object to find IncludesSubquery entries. * Plain nested objects still reject includes, but ConditionalSelect branches can * contain guarded nested includes that are only materialized when the branch * condition is true.

(select: Record<string, any>)

 * condition is true.
 */
function extractIncludesFromSelect(select: Record<string, any>): Array<{
  key: string
  path: Array<string>
  subquery: IncludesSubquery
  guards: Array<ConditionalSelectGuard>
}> {
  const results: Array<{
    key: string
    path: Array<string>
    subquery: IncludesSubquery
    guards: Array<ConditionalSelectGuard>
  }> = []
  for (const [key, value] of Object.entries(select)) {
    if (key.startsWith(`__SPREAD_SENTINEL__`)) continue
    if (value instanceof IncludesSubquery) {
      results.push({
        key: getIncludesRoutingKey([key], results),
        path: [key],
        subquery: value,
        guards: [],
      })
    } else if (value instanceof ConditionalSelect) {
      collectIncludesFromConditionalSelect(value, [key], [], results)
    } else if (isNestedSelectObject(value)) {
      // Check nested objects for IncludesSubquery — not supported yet
      assertNoNestedIncludes(value, key)
    }
  }
  return results
}

function collectIncludesFromConditionalSelect(
  conditional: ConditionalSelect,