Statements are system-mediated: a plain upsert neither adds nor removes
them. Copies the stored $stmt sidecars of previous onto next, at the
same paths, so re-saving a document keeps the provenance of its facts.
Nested objects are followed where both documents have one; arrays are not.
Statements are system-mediated: a plain upsert neither adds nor removes them. Copies the stored
$stmtsidecars ofpreviousontonext, at the same paths, so re-saving a document keeps the provenance of its facts. Nested objects are followed where both documents have one; arrays are not.