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reckon_db

5.8.0
5.11.0 5.10.4 5.10.3 5.10.1 5.10.0 5.9.1 5.9.0 5.8.3 5.8.2 5.8.1 5.8.0 5.7.0 5.6.1 5.6.0 5.5.5 5.5.4 5.5.3 5.5.2 5.5.1 5.5.0 5.4.0 5.2.2 5.2.1 5.2.0 5.1.0 5.0.0 4.0.0 3.1.2 3.1.1 3.0.0 2.3.7 2.3.6 2.3.5 2.3.4 2.3.3 2.3.2 2.3.1 2.3.0 2.2.2 2.2.0 2.1.4 2.1.3 2.1.2 2.1.1 2.1.0 2.0.0 1.7.7 1.7.6 1.7.5 1.7.4 1.7.3 1.7.2 1.7.1 1.7.0 1.6.3 1.6.2 1.6.1 1.6.0 1.5.1 1.5.0 1.4.5 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0 1.3.3 1.3.2 1.3.1 1.3.0 1.2.7 1.2.6 1.2.5 1.2.4 1.2.3 1.2.2 1.2.1 1.2.0 1.1.1 1.1.0 1.0.3 1.0.2 1.0.1 1.0.0

BEAM-native Event Store built on Khepri/Ra with Raft consensus. Event sourcing, persistent subscriptions, snapshots, and automatic cluster formation via UDP multicast discovery. Ships embedded Rust NIFs for 3-15x acceleration of crypto, hashing, compression, aggregation, filter matching, and grap...

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reckon_db assets schema_upcasting.svg
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assets/schema_upcasting.svg 

<?xml version="1.0" encoding="UTF-8"?>

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 400">

  <defs>

    <marker id="arrowSchema" markerWidth="10" markerHeight="7" refX="9" refY="3.5" orient="auto">

      <polygon points="0 0, 10 3.5, 0 7" fill="#4299e1"/>

    </marker>

    <linearGradient id="v1Grad" x1="0%" y1="0%" x2="100%" y2="100%">

      <stop offset="0%" style="stop-color:#fc8181"/>

      <stop offset="100%" style="stop-color:#e53e3e"/>

    </linearGradient>

    <linearGradient id="v2Grad" x1="0%" y1="0%" x2="100%" y2="100%">

      <stop offset="0%" style="stop-color:#f6ad55"/>

      <stop offset="100%" style="stop-color:#ed8936"/>

    </linearGradient>

    <linearGradient id="v3Grad" x1="0%" y1="0%" x2="100%" y2="100%">

      <stop offset="0%" style="stop-color:#48bb78"/>

      <stop offset="100%" style="stop-color:#38a169"/>

    </linearGradient>

  </defs>



  <!-- Background -->

  <rect width="800" height="400" fill="#f7fafc"/>



  <!-- Title -->

  <text x="400" y="30" text-anchor="middle" font-family="system-ui, sans-serif" font-size="18" font-weight="bold" fill="#2d3748">Schema Evolution &amp; Upcasting</text>



  <!-- Version 1 Event -->

  <rect x="50" y="60" width="180" height="130" rx="10" fill="url(#v1Grad)" stroke="#c53030" stroke-width="2"/>

  <text x="140" y="85" text-anchor="middle" font-family="system-ui, sans-serif" font-size="12" font-weight="bold" fill="white">Version 1</text>

  <rect x="65" y="95" width="150" height="80" rx="6" fill="white" stroke="#fc8181" stroke-width="1"/>

  <text x="140" y="115" text-anchor="middle" font-family="monospace" font-size="9" fill="#2d3748">order_id: "123"</text>

  <text x="140" y="130" text-anchor="middle" font-family="monospace" font-size="9" fill="#2d3748">customerId: "c-1"</text>

  <text x="140" y="145" text-anchor="middle" font-family="monospace" font-size="9" fill="#2d3748">address: "123 Main"</text>

  <text x="140" y="165" text-anchor="middle" font-family="system-ui, sans-serif" font-size="8" fill="#718096">schema_version: 1</text>



  <!-- Upcast Arrow 1 -->

  <line x1="230" y1="125" x2="290" y2="125" stroke="#4299e1" stroke-width="2" marker-end="url(#arrowSchema)"/>

  <rect x="235" y="100" width="50" height="20" rx="4" fill="#ebf8ff" stroke="#90cdf4" stroke-width="1"/>

  <text x="260" y="114" text-anchor="middle" font-family="system-ui, sans-serif" font-size="8" fill="#2b6cb0">upcast</text>



  <!-- Version 2 Event -->

  <rect x="300" y="60" width="180" height="130" rx="10" fill="url(#v2Grad)" stroke="#dd6b20" stroke-width="2"/>

  <text x="390" y="85" text-anchor="middle" font-family="system-ui, sans-serif" font-size="12" font-weight="bold" fill="white">Version 2</text>

  <rect x="315" y="95" width="150" height="80" rx="6" fill="white" stroke="#f6ad55" stroke-width="1"/>

  <text x="390" y="115" text-anchor="middle" font-family="monospace" font-size="9" fill="#2d3748">order_id: "123"</text>

  <text x="390" y="130" text-anchor="middle" font-family="monospace" font-size="9" fill="#48bb78">customer_id: "c-1"</text>

  <text x="390" y="145" text-anchor="middle" font-family="monospace" font-size="9" fill="#2d3748">address: "123 Main"</text>

  <text x="390" y="165" text-anchor="middle" font-family="system-ui, sans-serif" font-size="8" fill="#718096">schema_version: 2</text>



  <!-- Upcast Arrow 2 -->

  <line x1="480" y1="125" x2="540" y2="125" stroke="#4299e1" stroke-width="2" marker-end="url(#arrowSchema)"/>

  <rect x="485" y="100" width="50" height="20" rx="4" fill="#ebf8ff" stroke="#90cdf4" stroke-width="1"/>

  <text x="510" y="114" text-anchor="middle" font-family="system-ui, sans-serif" font-size="8" fill="#2b6cb0">upcast</text>



  <!-- Version 3 Event (Current) -->

  <rect x="550" y="60" width="200" height="130" rx="10" fill="url(#v3Grad)" stroke="#276749" stroke-width="2"/>

  <text x="650" y="85" text-anchor="middle" font-family="system-ui, sans-serif" font-size="12" font-weight="bold" fill="white">Version 3 (Current)</text>

  <rect x="565" y="95" width="170" height="80" rx="6" fill="white" stroke="#48bb78" stroke-width="1"/>

  <text x="650" y="115" text-anchor="middle" font-family="monospace" font-size="9" fill="#2d3748">order_id: "123"</text>

  <text x="650" y="130" text-anchor="middle" font-family="monospace" font-size="9" fill="#2d3748">customer_id: "c-1"</text>

  <text x="650" y="145" text-anchor="middle" font-family="monospace" font-size="9" fill="#48bb78">shipping_address: {...}</text>

  <text x="650" y="165" text-anchor="middle" font-family="system-ui, sans-serif" font-size="8" fill="#718096">schema_version: 3</text>



  <!-- Schema Registry -->

  <rect x="50" y="220" width="700" height="160" rx="10" fill="#edf2f7" stroke="#cbd5e0" stroke-width="1"/>

  <text x="400" y="245" text-anchor="middle" font-family="system-ui, sans-serif" font-size="14" font-weight="bold" fill="#2d3748">Schema Registry (Khepri)</text>



  <!-- Upcast Functions -->

  <rect x="80" y="265" width="280" height="100" rx="8" fill="white" stroke="#a0aec0" stroke-width="1"/>

  <text x="220" y="285" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" font-weight="bold" fill="#4a5568">upcast_from</text>



  <text x="100" y="310" font-family="monospace" font-size="9" fill="#2d3748">1 => fun(D) -></text>

  <text x="120" y="325" font-family="monospace" font-size="9" fill="#718096">%% customerId -> customer_id</text>

  <text x="100" y="350" font-family="monospace" font-size="9" fill="#2d3748">2 => fun(D) -></text>

  <text x="120" y="365" font-family="monospace" font-size="9" fill="#718096">%% Split address -> shipping</text>



  <!-- Storage Path -->

  <rect x="400" y="265" width="320" height="50" rx="8" fill="white" stroke="#a0aec0" stroke-width="1"/>

  <text x="560" y="285" text-anchor="middle" font-family="system-ui, sans-serif" font-size="10" font-weight="bold" fill="#4a5568">Khepri Path</text>

  <text x="560" y="305" text-anchor="middle" font-family="monospace" font-size="9" fill="#718096">[schemas, my_store, "OrderPlaced"]</text>



  <!-- Current Version -->

  <rect x="400" y="325" width="320" height="40" rx="8" fill="#f0fff4" stroke="#9ae6b4" stroke-width="1"/>

  <text x="560" y="350" text-anchor="middle" font-family="system-ui, sans-serif" font-size="10" fill="#276749">Current Version: 3 | Upcast from: 1, 2</text>



  <!-- Change indicators -->

  <text x="390" y="130" text-anchor="middle" font-family="system-ui, sans-serif" font-size="7" fill="#48bb78">(renamed)</text>

  <text x="650" y="145" text-anchor="middle" font-family="system-ui, sans-serif" font-size="7" fill="#48bb78">(split from address)</text>

</svg>