265 lines
12 KiB
HTML
265 lines
12 KiB
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<meta name="description" content="API documentation for the Rust `types` mod in crate `mentat_db`.">
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<meta name="keywords" content="rust, rustlang, rust-lang, types">
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<title>mentat_db::types - Rust</title>
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<div class="sidebar-menu">☰</div>
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<p class='location'>Module types</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li><li><a href="#types">Type Definitions</a></li></ul></div><p class='location'><a href='../index.html'>mentat_db</a></p><script>window.sidebarCurrent = {name: 'types', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div>
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type="search">
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<section id='main' class="content"><h1 class='fqn'><span class='in-band'>Module <a href='../index.html'>mentat_db</a>::<wbr><a class="mod" href=''>types</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>−</span>]
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</a>
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</span><a class='srclink' href='../../src/mentat_db/types.rs.html#11-128' title='goto source code'>[src]</a></span></h1><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Attribute.html"
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title='struct mentat_db::types::Attribute'>Attribute</a></td>
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<td class='docblock-short'>
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<p>A Mentat schema attribute has a value type and several other flags determining how assertions
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with the attribute are interpreted.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.DB.html"
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title='struct mentat_db::types::DB'>DB</a></td>
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<td class='docblock-short'>
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<p>Represents the metadata required to query from, or apply transactions to, a Mentat store.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.DateTime.html"
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title='struct mentat_db::types::DateTime'>DateTime</a></td>
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<td class='docblock-short'>
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<p>ISO 8601 combined date and time with time zone.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Partition.html"
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title='struct mentat_db::types::Partition'>Partition</a></td>
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<td class='docblock-short'>
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<p>Represents one partition of the entid space.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Schema.html"
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title='struct mentat_db::types::Schema'>Schema</a></td>
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<td class='docblock-short'>
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<p>Represents a Mentat schema.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.TxReport.html"
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title='struct mentat_db::types::TxReport'>TxReport</a></td>
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<td class='docblock-short'>
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<p>A transaction report summarizes an applied transaction.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Utc.html"
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title='struct mentat_db::types::Utc'>Utc</a></td>
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<td class='docblock-short'>
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<p>The UTC time zone. This is the most efficient time zone when you don't need the local time.
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It is also used as an offset (which is also a dummy type).</p>
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</td>
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</tr></table><h2 id='enums' class='section-header'><a href="#enums">Enums</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.AttributeBitFlags.html"
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title='enum mentat_db::types::AttributeBitFlags'>AttributeBitFlags</a></td>
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<td class='docblock-short'>
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<p>Bit flags used in <code>flags0</code> column in temporary tables created during search,
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such as the <code>search_results</code>, <code>inexact_searches</code> and <code>exact_searches</code> tables.
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When moving to a more concrete table, such as <code>datoms</code>, they are expanded out
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via these flags and put into their own column rather than a bit field.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.TypedValue.html"
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title='enum mentat_db::types::TypedValue'>TypedValue</a></td>
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<td class='docblock-short'>
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<p>Represents a value that can be stored in a Mentat store.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.ValueType.html"
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title='enum mentat_db::types::ValueType'>ValueType</a></td>
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<td class='docblock-short'>
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<p>The attribute of each Mentat assertion has a :db/valueType constraining the value to a
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particular set. Mentat recognizes the following :db/valueType values.</p>
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</td>
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</tr></table><h2 id='traits' class='section-header'><a href="#traits">Traits</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="trait" href="trait.TransactableValue.html"
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title='trait mentat_db::types::TransactableValue'>TransactableValue</a></td>
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<td class='docblock-short'>
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<p>The transactor is tied to <code>edn::ValueAndSpan</code> right now, but in the future we'd like to support
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<code>TypedValue</code> directly for programmatic use. <code>TransactableValue</code> encapsulates the interface
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value types (i.e., values in the value place) need to support to be transacted.</p>
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</td>
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</tr></table><h2 id='types' class='section-header'><a href="#types">Type Definitions</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="type" href="type.AVMap.html"
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title='type mentat_db::types::AVMap'>AVMap</a></td>
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<td class='docblock-short'>
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<p>Map [a v] pairs to existing entids.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="type" href="type.AVPair.html"
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title='type mentat_db::types::AVPair'>AVPair</a></td>
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<td class='docblock-short'>
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<p>A pair [a v] in the store.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="type" href="type.AttributeSet.html"
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title='type mentat_db::types::AttributeSet'>AttributeSet</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="type" href="type.Entid.html"
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title='type mentat_db::types::Entid'>Entid</a></td>
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<td class='docblock-short'>
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<p>Represents one entid in the entid space.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="type" href="type.PartitionMap.html"
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title='type mentat_db::types::PartitionMap'>PartitionMap</a></td>
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<td class='docblock-short'>
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<p>Map partition names to <code>Partition</code> instances.</p>
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</td>
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</tr></table></section>
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<section id='search' class="content hidden"></section>
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<section class="footer"></section>
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<aside id="help" class="hidden">
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<h1 class="hidden">Help</h1>
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<h2>Keyboard Shortcuts</h2>
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<dl>
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<dt><kbd>?</kbd></dt>
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<dd>Focus the search field</dd>
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</dl>
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</div>
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<div class="infos">
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<h2>Search Tricks</h2>
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<p>
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Prefix searches with a type followed by a colon (e.g.
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<code>fn:</code>) to restrict the search to a given type.
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</p>
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<p>
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Accepted types are: <code>fn</code>, <code>mod</code>,
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<code>struct</code>, <code>enum</code>,
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<code>trait</code>, <code>type</code>, <code>macro</code>,
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and <code>const</code>.
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</p>
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<p>
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Search functions by type signature (e.g.
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<code>vec -> usize</code> or <code>* -> vec</code>)
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</p>
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</div>
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</div>
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</aside>
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