Module snapshot 

Version snapshot operations — add/remove entities and relations to/from versions.

Functions

version_add_entity

Add an entity to a version (set the bit in its validity bitstring).

version_add_relation

Add a relation to a version.

version_remove_entity

Remove an entity from a version (clear the bit). If result is 0, set to NULL.

version_remove_relation

Remove a relation from a version. If result is 0, set to NULL.

version_snapshot_entities

Bulk add all entities to a version in a single operation.

version_snapshot_relations

Bulk add all relations to a version in a single operation.