{
  "type": "excalidraw",
  "version": 2,
  "source": "https://excalidraw.com",
  "elements": [
    {
      "id": "title",
      "type": "text",
      "x": 55,
      "y": 32,
      "width": 870,
      "height": 40,
      "angle": 0,
      "strokeColor": "#0f172a",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 1,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a001",
      "roundness": null,
      "seed": 5101,
      "version": 1,
      "versionNonce": 6101,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "fontSize": 31,
      "fontFamily": 3,
      "text": "Filtered vector query: ANN + Flat fallback",
      "rawText": "Filtered vector query: ANN + Flat fallback",
      "textAlign": "left",
      "verticalAlign": "top",
      "containerId": null,
      "originalText": "Filtered vector query: ANN + Flat fallback",
      "autoResize": true,
      "lineHeight": 1.3
    },
    {
      "id": "prefilter-box",
      "type": "rectangle",
      "x": 390,
      "y": 125,
      "width": 660,
      "height": 100,
      "angle": 0,
      "strokeColor": "#7c3aed",
      "backgroundColor": "#ede9fe",
      "fillStyle": "solid",
      "strokeWidth": 2,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a002",
      "roundness": { "type": 3 },
      "seed": 5102,
      "version": 1,
      "versionNonce": 6102,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false
    },
    {
      "id": "prefilter-text",
      "type": "text",
      "x": 505,
      "y": 145,
      "width": 430,
      "height": 62,
      "angle": 0,
      "strokeColor": "#6d28d9",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 1,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a003",
      "roundness": null,
      "seed": 5103,
      "version": 1,
      "versionNonce": 6103,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "fontSize": 22,
      "fontFamily": 3,
      "text": "Prefilter: tenant_id = 42\nScalarIndexQuery or filtered row-id scan",
      "rawText": "Prefilter: tenant_id = 42\nScalarIndexQuery or filtered row-id scan",
      "textAlign": "center",
      "verticalAlign": "top",
      "containerId": null,
      "originalText": "Prefilter: tenant_id = 42\nScalarIndexQuery or filtered row-id scan",
      "autoResize": true,
      "lineHeight": 1.3
    },
    {
      "id": "indexed-box",
      "type": "rectangle",
      "x": 70,
      "y": 300,
      "width": 580,
      "height": 385,
      "angle": 0,
      "strokeColor": "#2563eb",
      "backgroundColor": "#eff6ff",
      "fillStyle": "solid",
      "strokeWidth": 2,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a004",
      "roundness": { "type": 3 },
      "seed": 5104,
      "version": 1,
      "versionNonce": 6104,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false
    },
    {
      "id": "indexed-text",
      "type": "text",
      "x": 150,
      "y": 340,
      "width": 420,
      "height": 230,
      "angle": 0,
      "strokeColor": "#1d4ed8",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 1,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a005",
      "roundness": null,
      "seed": 5105,
      "version": 1,
      "versionNonce": 6105,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "fontSize": 22,
      "fontFamily": 3,
      "text": "Indexed branch · F0, F1\n\nANNIvfPartition\nsearch 2..8 partitions\n\nHNSW ef=64\nproduce 12 candidates\n\nTake raw vectors\nexact candidate rerank",
      "rawText": "Indexed branch · F0, F1\n\nANNIvfPartition\nsearch 2..8 partitions\n\nHNSW ef=64\nproduce 12 candidates\n\nTake raw vectors\nexact candidate rerank",
      "textAlign": "center",
      "verticalAlign": "top",
      "containerId": null,
      "originalText": "Indexed branch · F0, F1\n\nANNIvfPartition\nsearch 2..8 partitions\n\nHNSW ef=64\nproduce 12 candidates\n\nTake raw vectors\nexact candidate rerank",
      "autoResize": true,
      "lineHeight": 1.3
    },
    {
      "id": "fallback-box",
      "type": "rectangle",
      "x": 790,
      "y": 300,
      "width": 580,
      "height": 385,
      "angle": 0,
      "strokeColor": "#ea580c",
      "backgroundColor": "#fff7ed",
      "fillStyle": "solid",
      "strokeWidth": 2,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a006",
      "roundness": { "type": 3 },
      "seed": 5106,
      "version": 1,
      "versionNonce": 6106,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false
    },
    {
      "id": "fallback-text",
      "type": "text",
      "x": 875,
      "y": 355,
      "width": 410,
      "height": 168,
      "angle": 0,
      "strokeColor": "#c2410c",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 1,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a007",
      "roundness": null,
      "seed": 5107,
      "version": 1,
      "versionNonce": 6107,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "fontSize": 22,
      "fontFamily": 3,
      "text": "Fallback branch · appended F2\n\nScan unindexed fragment\napply full tenant filter\n\nExact Flat KNN\nunindexed Top-3",
      "rawText": "Fallback branch · appended F2\n\nScan unindexed fragment\napply full tenant filter\n\nExact Flat KNN\nunindexed Top-3",
      "textAlign": "center",
      "verticalAlign": "top",
      "containerId": null,
      "originalText": "Fallback branch · appended F2\n\nScan unindexed fragment\napply full tenant filter\n\nExact Flat KNN\nunindexed Top-3",
      "autoResize": true,
      "lineHeight": 1.3
    },
    {
      "id": "merge-box",
      "type": "rectangle",
      "x": 390,
      "y": 765,
      "width": 660,
      "height": 92,
      "angle": 0,
      "strokeColor": "#16a34a",
      "backgroundColor": "#dcfce7",
      "fillStyle": "solid",
      "strokeWidth": 2,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a008",
      "roundness": { "type": 3 },
      "seed": 5108,
      "version": 1,
      "versionNonce": 6108,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false
    },
    {
      "id": "merge-text",
      "type": "text",
      "x": 500,
      "y": 787,
      "width": 440,
      "height": 57,
      "angle": 0,
      "strokeColor": "#166534",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 1,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a009",
      "roundness": null,
      "seed": 5109,
      "version": 1,
      "versionNonce": 6109,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "fontSize": 22,
      "fontFamily": 3,
      "text": "Union → exact distance → global Top-3",
      "rawText": "Union → exact distance → global Top-3",
      "textAlign": "center",
      "verticalAlign": "top",
      "containerId": null,
      "originalText": "Union → exact distance → global Top-3",
      "autoResize": true,
      "lineHeight": 1.3
    },
    {
      "id": "arrow-left",
      "type": "arrow",
      "x": 610,
      "y": 225,
      "width": -250,
      "height": 65,
      "angle": 0,
      "strokeColor": "#2563eb",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 3,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a010",
      "roundness": { "type": 2 },
      "seed": 5110,
      "version": 1,
      "versionNonce": 6110,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "points": [[0, 0], [-250, 65]],
      "lastCommittedPoint": null,
      "startBinding": null,
      "endBinding": null,
      "startArrowhead": null,
      "endArrowhead": "arrow",
      "elbowed": false
    },
    {
      "id": "arrow-right",
      "type": "arrow",
      "x": 830,
      "y": 225,
      "width": 250,
      "height": 65,
      "angle": 0,
      "strokeColor": "#ea580c",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 3,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a011",
      "roundness": { "type": 2 },
      "seed": 5111,
      "version": 1,
      "versionNonce": 6111,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "points": [[0, 0], [250, 65]],
      "lastCommittedPoint": null,
      "startBinding": null,
      "endBinding": null,
      "startArrowhead": null,
      "endArrowhead": "arrow",
      "elbowed": false
    },
    {
      "id": "arrow-merge-left",
      "type": "arrow",
      "x": 360,
      "y": 685,
      "width": 205,
      "height": 70,
      "angle": 0,
      "strokeColor": "#16a34a",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 3,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a012",
      "roundness": { "type": 2 },
      "seed": 5112,
      "version": 1,
      "versionNonce": 6112,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "points": [[0, 0], [205, 70]],
      "lastCommittedPoint": null,
      "startBinding": null,
      "endBinding": null,
      "startArrowhead": null,
      "endArrowhead": "arrow",
      "elbowed": false
    },
    {
      "id": "arrow-merge-right",
      "type": "arrow",
      "x": 1080,
      "y": 685,
      "width": -205,
      "height": 70,
      "angle": 0,
      "strokeColor": "#16a34a",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 3,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a013",
      "roundness": { "type": 2 },
      "seed": 5113,
      "version": 1,
      "versionNonce": 6113,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "points": [[0, 0], [-205, 70]],
      "lastCommittedPoint": null,
      "startBinding": null,
      "endBinding": null,
      "startArrowhead": null,
      "endArrowhead": "arrow",
      "elbowed": false
    },
    {
      "id": "fast-note",
      "type": "text",
      "x": 1080,
      "y": 755,
      "width": 280,
      "height": 62,
      "angle": 0,
      "strokeColor": "#be123c",
      "backgroundColor": "transparent",
      "fillStyle": "solid",
      "strokeWidth": 1,
      "strokeStyle": "solid",
      "roughness": 0,
      "opacity": 100,
      "groupIds": [],
      "frameId": null,
      "index": "a014",
      "roundness": null,
      "seed": 5114,
      "version": 1,
      "versionNonce": 6114,
      "isDeleted": false,
      "boundElements": null,
      "updated": 1786339200000,
      "link": null,
      "locked": false,
      "fontSize": 20,
      "fontFamily": 3,
      "text": "fast_search skips F2\nindexed-subset Top-K only",
      "rawText": "fast_search skips F2\nindexed-subset Top-K only",
      "textAlign": "center",
      "verticalAlign": "top",
      "containerId": null,
      "originalText": "fast_search skips F2\nindexed-subset Top-K only",
      "autoResize": true,
      "lineHeight": 1.3
    }
  ],
  "appState": {
    "gridSize": 20,
    "gridStep": 5,
    "gridModeEnabled": false,
    "viewBackgroundColor": "#ffffff"
  },
  "files": {}
}