31 lines
3.0 KiB
XML
Executable File
31 lines
3.0 KiB
XML
Executable File
<?xml version="1.0" encoding="UTF-8"?>
|
|
<mxfile host="app.diagrams.net" modified="2026-07-23T00:00:00.000Z" agent="techviz-harness" version="24.7.17" type="device">
|
|
<diagram id="nplus1-query-fanout" name="반환 부모 수 N이 컬렉션 초기화와 자식 SELECT 횟수를 결정한다">
|
|
<mxGraphModel dx="964" dy="300" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="964" pageHeight="1169" math="0" shadow="0">
|
|
<root>
|
|
<mxCell id="0"/>
|
|
<mxCell id="1" parent="0"/>
|
|
<mxCell id="n_feed-request" value="loadFeed(0, N) → FeedItem N개<br/>page size = 반환 부모 수 N" tooltip="한 요청에서 반환한 부모 수 N이 N+1 증가 계수가 되는 피드 조회. | Evidence: L341-L341, L398-L398" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="70.0" y="60.0" width="181.0" height="91.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_collection-initializations" value="Highlight 컬렉션 초기화 N회<br/>collectionFetches = N" tooltip="각 FeedItem의 지연 컬렉션 접근이 부모마다 한 번의 초기화를 만든 결과. | Evidence: L337-L337, L378-L384" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;strokeColor=#2563eb;strokeWidth=2;" vertex="1" parent="1">
|
|
<mxGeometry x="411.0" y="70.0" width="181.0" height="71.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_highlight-selects" value="Highlight SELECT N회<br/>부모별 자식 행 전부 조회" tooltip="배치와 서브셀렉트가 없는 기준선에서 컬렉션 초기화마다 실행되는 자식 SELECT. | Evidence: L337-L337, L384-L385" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="752.0" y="70.0" width="167.0" height="71.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="e_initialization-runs-select" value="초기화마다 SELECT 1회" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_collection-initializations" target="n_highlight-selects">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="672.0" y="77.5" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_parents-trigger-initialization" value="아이템마다 컬렉션 접근" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_feed-request" target="n_collection-initializations">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="331.0" y="77.5" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
</root>
|
|
</mxGraphModel>
|
|
</diagram>
|
|
</mxfile>
|