Function EffectsBuffer_AddCreateNodeEffect

src/effects/effects.c:326–371

add a node creation effect to buffer

// add a node creation effect to buffer
void EffectsBuffer_AddCreateNodeEffect
(
	EffectsBuffer *buff,    // effect buffer
	const Node *n,          // node created
	const LabelID *labels,  // node labels
	ushort label_count      // number of labels
) {
	//--------------------------------------------------------------------------
	// effect format:
	// effect type
	// label count
	// labels
	// attribute count
	// attributes (id,value) pair
	//--------------------------------------------------------------------------
	
	ResultSetStatistics *stats = QueryCtx_GetResultSetStatistics();
	stats->nodes_created++;
	stats->properties_set += AttributeSet_Count(*n->attributes);

	EffectType t = EFFECT_CREATE_NODE;
	EffectsBuffer_WriteBytes(&t, sizeof(t), buff);

	//--------------------------------------------------------------------------
	// write label count
	//--------------------------------------------------------------------------

	EffectsBuffer_WriteBytes(&label_count, sizeof(label_count), buff);

	//--------------------------------------------------------------------------
	// write labels
	//--------------------------------------------------------------------------

	if(label_count > 0) {
		EffectsBuffer_WriteBytes(labels, sizeof(LabelID) * label_count, buff);
	}

	//--------------------------------------------------------------------------
	// write attribute set
	//--------------------------------------------------------------------------

	const AttributeSet attrs = GraphEntity_GetAttributes((const GraphEntity*)n);
	EffectsBuffer_WriteAttributeSet(attrs, buff);

	EffectsBuffer_IncEffectCount(buff);
}

// add a edge creation effect to buffer
void EffectsBuffer_AddCreateEdgeEffect