Function EffectsBuffer_AddEntityRemoveAttributeEffect

src/effects/effects.c:593–614

add an entity attribute removal effect to buffer

// add an entity attribute removal effect to buffer
void EffectsBuffer_AddEntityRemoveAttributeEffect
(
	EffectsBuffer *buff,         // effect buffer
	GraphEntity *entity,         // updated entity ID
	Attribute_ID attr_id,        // updated attribute ID
	GraphEntityType entity_type  // entity type
) {
	// attribute was deleted
	int n = (attr_id == ATTRIBUTE_ID_ALL)
		? AttributeSet_Count(*entity->attributes)
		: 1;

	ResultSetStatistics *stats = QueryCtx_GetResultSetStatistics();
	stats->properties_removed += n;

	SIValue v = SI_NullVal();
	if(entity_type == GETYPE_NODE) {
		EffectsBuffer_AddNodeUpdateEffect(buff, (Node*)entity, attr_id, v);
	} else {
		EffectsBuffer_AddEdgeUpdateEffect(buff, (Edge*)entity, attr_id, v);
	}
}

// add an entity add new attribute effect to buffer
void EffectsBuffer_AddEntityAddAttributeEffect