Function isUnknown

packages/db/src/query/compiler/evaluators.ts:17–19

* Helper function to check if a value is null or undefined (represents UNKNOWN in 3-valued logic)

(value: any)

 * Helper function to check if a value is null or undefined (represents UNKNOWN in 3-valued logic)
 */
function isUnknown(value: any): boolean {
  return value === null || value === undefined
}

/**
 * Equality that follows PostgreSQL float semantics for `NaN`/invalid Dates: