Function canRangeOptimize

packages/db/src/utils/index-optimization.ts:182–191

* Whether a range predicate (gt/gte/lt/lte) on this operand can be safely * served by the given index: the operand's domain must order the same way the * index does, and the index itself must support trustworthy range traversal * (no custom comparator).

(
  value: unknown,
  index: IndexInterface<any>,
  collection: CollectionLike<any, any>,
)

 * (no custom comparator).
 */
function canRangeOptimize(
  value: unknown,
  index: IndexInterface<any>,
  collection: CollectionLike<any, any>,
): boolean {
  return (
    !isRangeOrderingDivergent(value, collection) &&
    index.supportsRangeOptimization
  )
}

/**
 * Optimizes a query expression using available indexes to find matching keys