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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Adapter to convert `BoxedBatchIterator` (primary key format) into an iterator of flat-format Arrow `RecordBatch`es, allowing memtable iterators that only produce `Batch` to feed into the flat read pipeline."><title>mito2::read::batch_adapter - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-e56847b5.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="mito2" data-themes="" data-resource-suffix="" data-rustdoc-version="1.92.0-nightly (fa3155a64 2025-09-30)" data-channel="nightly" data-search-js="search-e256b49e.js" data-stringdex-js="stringdex-828709d0.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../../static.files/main-ce535bd0.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Module batch_adapter</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.0.0-rc.2</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module batch_<wbr>adapter</a></h2><h3><a href="#structs">Module Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#functions" title="Functions">Functions</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="../index.html">In mito2::<wbr>read</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">mito2</a>::<wbr><a href="../index.html">read</a></div><h1>Module <span>batch_<wbr>adapter</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/mito2/read/batch_adapter.rs.html#15-700">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Adapter to convert <a href="../../memtable/type.BoxedBatchIterator.html" title="type mito2::memtable::BoxedBatchIterator"><code>BoxedBatchIterator</code></a> (primary key format) into an iterator
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of flat-format Arrow [<code>RecordBatch</code>]es, allowing memtable iterators that only
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produce <a href="../struct.Batch.html" title="struct mito2::read::Batch"><code>Batch</code></a> to feed into the flat read pipeline.</p>
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</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.BatchToRecordBatchAdapter.html" title="struct mito2::read::batch_adapter::BatchToRecordBatchAdapter">Batch<wbr>ToRecord<wbr>Batch<wbr>Adapter</a></dt><dd>Adapts a <a href="../../memtable/type.BoxedBatchIterator.html" title="type mito2::memtable::BoxedBatchIterator"><code>BoxedBatchIterator</code></a> into an <code>Iterator<Item = Result<RecordBatch>></code>
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producing flat-format record batches.</dd><dt><a class="struct" href="struct.ProjectedPkColumn.html" title="struct mito2::read::batch_adapter::ProjectedPkColumn">Projected<wbr>PkColumn</a><span title="Restricted Visibility"> 🔒</span> </dt></dl><h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2><dl class="item-table"><dt><a class="fn" href="fn.build_repeated_value_array.html" title="fn mito2::read::batch_adapter::build_repeated_value_array">build_<wbr>repeated_<wbr>value_<wbr>array</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Builds an Arrow array of <code>num_rows</code> copies of <code>value</code>.</dd><dt><a class="fn" href="fn.build_string_tag_dict_array.html" title="fn mito2::read::batch_adapter::build_string_tag_dict_array">build_<wbr>string_<wbr>tag_<wbr>dict_<wbr>array</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Builds a dictionary-encoded string tag array with one dictionary value.</dd><dt><a class="fn" href="fn.compute_output_arrow_schema.html" title="fn mito2::read::batch_adapter::compute_output_arrow_schema">compute_<wbr>output_<wbr>arrow_<wbr>schema</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="fn" href="fn.get_pk_value.html" title="fn mito2::read::batch_adapter::get_pk_value">get_<wbr>pk_<wbr>value</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Extracts a value for the given primary key column from decoded <a href="../../../mito_codec/row_converter/enum.CompositeValues.html" title="enum mito_codec::row_converter::CompositeValues"><code>CompositeValues</code></a>.</dd></dl></section></div></main></body></html> |