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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="Source of the Rust file `src/file-engine/src/region.rs`."><title>region.rs - source</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-1ed95124.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="file_engine" data-themes="" data-resource-suffix="" data-rustdoc-version="1.98.1 (48a229cea 2026-09-01)" data-channel="1.98.1" data-search-js="search-9944d736.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../../static.files/storage-41dd4d93.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-417ebf0a.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-f7c3ffd8.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 src"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><h1><div class="sub-heading">file_engine/</div>region.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="comment">// Copyright 2023 Greptime Team
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<a href=#2 id=2 data-nosnippet>2</a>//
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<a href=#3 id=3 data-nosnippet>3</a>// Licensed under the Apache License, Version 2.0 (the "License");
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<a href=#4 id=4 data-nosnippet>4</a>// you may not use this file except in compliance with the License.
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<a href=#5 id=5 data-nosnippet>5</a>// You may obtain a copy of the License at
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<a href=#6 id=6 data-nosnippet>6</a>//
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<a href=#7 id=7 data-nosnippet>7</a>// http://www.apache.org/licenses/LICENSE-2.0
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<a href=#8 id=8 data-nosnippet>8</a>//
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<a href=#9 id=9 data-nosnippet>9</a>// Unless required by applicable law or agreed to in writing, software
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<a href=#10 id=10 data-nosnippet>10</a>// distributed under the License is distributed on an "AS IS" BASIS,
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<a href=#11 id=11 data-nosnippet>11</a>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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<a href=#12 id=12 data-nosnippet>12</a>// See the License for the specific language governing permissions and
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<a href=#13 id=13 data-nosnippet>13</a>// limitations under the License.
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<a href=#14 id=14 data-nosnippet>14</a>
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<a href=#15 id=15 data-nosnippet>15</a></span><span class="kw">use </span>std::collections::HashMap;
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<a href=#16 id=16 data-nosnippet>16</a><span class="kw">use </span>std::sync::Arc;
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<a href=#17 id=17 data-nosnippet>17</a>
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<a href=#18 id=18 data-nosnippet>18</a><span class="kw">use </span>common_datasource::file_format::Format;
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<a href=#19 id=19 data-nosnippet>19</a><span class="kw">use </span>object_store::ObjectStore;
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<a href=#20 id=20 data-nosnippet>20</a><span class="kw">use </span>store_api::metadata::RegionMetadataRef;
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<a href=#21 id=21 data-nosnippet>21</a><span class="kw">use </span>store_api::path_utils::region_name;
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<a href=#22 id=22 data-nosnippet>22</a><span class="kw">use </span>store_api::region_request::{RegionCreateRequest, RegionOpenRequest};
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<a href=#23 id=23 data-nosnippet>23</a><span class="kw">use </span>store_api::storage::RegionId;
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<a href=#24 id=24 data-nosnippet>24</a>
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<a href=#25 id=25 data-nosnippet>25</a><span class="kw">use </span><span class="kw">crate</span>::FileOptions;
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<a href=#26 id=26 data-nosnippet>26</a><span class="kw">use </span><span class="kw">crate</span>::error::Result;
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<a href=#27 id=27 data-nosnippet>27</a><span class="kw">use </span><span class="kw">crate</span>::manifest::FileRegionManifest;
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<a href=#28 id=28 data-nosnippet>28</a>
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<a href=#29 id=29 data-nosnippet>29</a><span class="attr">#[derive(Debug)]
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<a href=#30 id=30 data-nosnippet>30</a></span><span class="kw">pub struct </span>FileRegion {
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<a href=#31 id=31 data-nosnippet>31</a> <span class="kw">pub</span>(<span class="kw">crate</span>) region_dir: String,
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<a href=#32 id=32 data-nosnippet>32</a> <span class="kw">pub</span>(<span class="kw">crate</span>) file_options: FileOptions,
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<a href=#33 id=33 data-nosnippet>33</a> <span class="kw">pub</span>(<span class="kw">crate</span>) url: String,
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<a href=#34 id=34 data-nosnippet>34</a> <span class="kw">pub</span>(<span class="kw">crate</span>) format: Format,
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<a href=#35 id=35 data-nosnippet>35</a> <span class="kw">pub</span>(<span class="kw">crate</span>) options: HashMap<String, String>,
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<a href=#36 id=36 data-nosnippet>36</a> <span class="kw">pub</span>(<span class="kw">crate</span>) metadata: RegionMetadataRef,
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<a href=#37 id=37 data-nosnippet>37</a>}
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<a href=#38 id=38 data-nosnippet>38</a>
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<a href=#39 id=39 data-nosnippet>39</a><span class="kw">pub type </span>FileRegionRef = Arc<FileRegion>;
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<a href=#40 id=40 data-nosnippet>40</a>
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<a href=#41 id=41 data-nosnippet>41</a><span class="kw">impl </span>FileRegion {
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<a href=#42 id=42 data-nosnippet>42</a> <span class="kw">pub async fn </span>create(
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<a href=#43 id=43 data-nosnippet>43</a> region_id: RegionId,
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<a href=#44 id=44 data-nosnippet>44</a> request: RegionCreateRequest,
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<a href=#45 id=45 data-nosnippet>45</a> object_store: <span class="kw-2">&</span>ObjectStore,
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<a href=#46 id=46 data-nosnippet>46</a> ) -> <span class="prelude-ty">Result</span><FileRegionRef> {
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<a href=#47 id=47 data-nosnippet>47</a> <span class="kw">let </span>manifest = FileRegionManifest {
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<a href=#48 id=48 data-nosnippet>48</a> region_id,
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<a href=#49 id=49 data-nosnippet>49</a> column_metadatas: request.column_metadatas.clone(),
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<a href=#50 id=50 data-nosnippet>50</a> primary_key: request.primary_key.clone(),
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<a href=#51 id=51 data-nosnippet>51</a> options: request.options,
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<a href=#52 id=52 data-nosnippet>52</a> };
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<a href=#53 id=53 data-nosnippet>53</a>
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<a href=#54 id=54 data-nosnippet>54</a> <span class="kw">let </span>region_dir = object_store::util::join_dir(
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<a href=#55 id=55 data-nosnippet>55</a> <span class="kw-2">&</span>request.table_dir,
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<a href=#56 id=56 data-nosnippet>56</a> <span class="kw-2">&</span>region_name(region_id.table_id(), region_id.region_sequence()),
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<a href=#57 id=57 data-nosnippet>57</a> );
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<a href=#58 id=58 data-nosnippet>58</a> <span class="kw">let </span>url = manifest.url()<span class="question-mark">?</span>;
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<a href=#59 id=59 data-nosnippet>59</a> <span class="kw">let </span>file_options = manifest.file_options()<span class="question-mark">?</span>;
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<a href=#60 id=60 data-nosnippet>60</a> <span class="kw">let </span>format = manifest.format()<span class="question-mark">?</span>;
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<a href=#61 id=61 data-nosnippet>61</a> <span class="kw">let </span>options = manifest.options.clone();
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<a href=#62 id=62 data-nosnippet>62</a> <span class="kw">let </span>metadata = manifest.metadata()<span class="question-mark">?</span>;
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<a href=#63 id=63 data-nosnippet>63</a>
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<a href=#64 id=64 data-nosnippet>64</a> manifest.store(<span class="kw-2">&</span>region_dir, object_store).<span class="kw">await</span><span class="question-mark">?</span>;
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<a href=#65 id=65 data-nosnippet>65</a>
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<a href=#66 id=66 data-nosnippet>66</a> <span class="prelude-val">Ok</span>(Arc::new(<span class="self">Self </span>{
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<a href=#67 id=67 data-nosnippet>67</a> region_dir,
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<a href=#68 id=68 data-nosnippet>68</a> url,
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<a href=#69 id=69 data-nosnippet>69</a> file_options,
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<a href=#70 id=70 data-nosnippet>70</a> format,
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<a href=#71 id=71 data-nosnippet>71</a> options,
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<a href=#72 id=72 data-nosnippet>72</a> metadata,
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<a href=#73 id=73 data-nosnippet>73</a> }))
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<a href=#74 id=74 data-nosnippet>74</a> }
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<a href=#75 id=75 data-nosnippet>75</a>
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<a href=#76 id=76 data-nosnippet>76</a> <span class="kw">pub async fn </span>open(
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<a href=#77 id=77 data-nosnippet>77</a> region_id: RegionId,
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<a href=#78 id=78 data-nosnippet>78</a> request: RegionOpenRequest,
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<a href=#79 id=79 data-nosnippet>79</a> object_store: <span class="kw-2">&</span>ObjectStore,
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<a href=#80 id=80 data-nosnippet>80</a> ) -> <span class="prelude-ty">Result</span><FileRegionRef> {
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<a href=#81 id=81 data-nosnippet>81</a> <span class="kw">let </span>region_dir = object_store::util::join_dir(
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<a href=#82 id=82 data-nosnippet>82</a> <span class="kw-2">&</span>request.table_dir,
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<a href=#83 id=83 data-nosnippet>83</a> <span class="kw-2">&</span>region_name(region_id.table_id(), region_id.region_sequence()),
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<a href=#84 id=84 data-nosnippet>84</a> );
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<a href=#85 id=85 data-nosnippet>85</a> <span class="kw">let </span>manifest = FileRegionManifest::load(region_id, <span class="kw-2">&</span>region_dir, object_store).<span class="kw">await</span><span class="question-mark">?</span>;
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<a href=#86 id=86 data-nosnippet>86</a>
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<a href=#87 id=87 data-nosnippet>87</a> <span class="prelude-val">Ok</span>(Arc::new(<span class="self">Self </span>{
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<a href=#88 id=88 data-nosnippet>88</a> region_dir,
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<a href=#89 id=89 data-nosnippet>89</a> url: manifest.url()<span class="question-mark">?</span>,
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<a href=#90 id=90 data-nosnippet>90</a> file_options: manifest.file_options()<span class="question-mark">?</span>,
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<a href=#91 id=91 data-nosnippet>91</a> format: manifest.format()<span class="question-mark">?</span>,
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<a href=#92 id=92 data-nosnippet>92</a> metadata: manifest.metadata()<span class="question-mark">?</span>,
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<a href=#93 id=93 data-nosnippet>93</a> options: manifest.options,
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<a href=#94 id=94 data-nosnippet>94</a> }))
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<a href=#95 id=95 data-nosnippet>95</a> }
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<a href=#96 id=96 data-nosnippet>96</a>
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<a href=#97 id=97 data-nosnippet>97</a> <span class="kw">pub async fn </span>drop(<span class="kw-2">&</span><span class="self">self</span>, object_store: <span class="kw-2">&</span>ObjectStore) -> <span class="prelude-ty">Result</span><()> {
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<a href=#98 id=98 data-nosnippet>98</a> FileRegionManifest::delete(<span class="self">self</span>.metadata.region_id, <span class="kw-2">&</span><span class="self">self</span>.region_dir, object_store).<span class="kw">await
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<a href=#99 id=99 data-nosnippet>99</a> </span>}
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<a href=#100 id=100 data-nosnippet>100</a>
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<a href=#101 id=101 data-nosnippet>101</a> <span class="kw">pub fn </span>metadata(<span class="kw-2">&</span><span class="self">self</span>) -> RegionMetadataRef {
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<a href=#102 id=102 data-nosnippet>102</a> <span class="self">self</span>.metadata.clone()
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<a href=#103 id=103 data-nosnippet>103</a> }
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<a href=#104 id=104 data-nosnippet>104</a>}
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<a href=#105 id=105 data-nosnippet>105</a>
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<a href=#106 id=106 data-nosnippet>106</a><span class="attr">#[cfg(test)]
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<a href=#107 id=107 data-nosnippet>107</a></span><span class="kw">mod </span>tests {
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<a href=#108 id=108 data-nosnippet>108</a> <span class="kw">use </span>std::assert_matches;
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<a href=#109 id=109 data-nosnippet>109</a>
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<a href=#110 id=110 data-nosnippet>110</a> <span class="kw">use </span>common_datasource::object_store::LocalFileAccess;
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<a href=#111 id=111 data-nosnippet>111</a> <span class="kw">use </span>common_error::ext::{ErrorExt, RetryHint};
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<a href=#112 id=112 data-nosnippet>112</a> <span class="kw">use </span>common_error::status_code::StatusCode;
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<a href=#113 id=113 data-nosnippet>113</a> <span class="kw">use </span>store_api::region_request::PathType;
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<a href=#114 id=114 data-nosnippet>114</a> <span class="kw">use </span>store_api::storage::ScanRequest;
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<a href=#115 id=115 data-nosnippet>115</a>
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<a href=#116 id=116 data-nosnippet>116</a> <span class="kw">use super</span>::<span class="kw-2">*</span>;
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<a href=#117 id=117 data-nosnippet>117</a> <span class="kw">use </span><span class="kw">crate</span>::error::Error;
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<a href=#118 id=118 data-nosnippet>118</a> <span class="kw">use </span><span class="kw">crate</span>::test_util::{new_test_column_metadata, new_test_object_store, new_test_options};
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<a href=#119 id=119 data-nosnippet>119</a>
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<a href=#120 id=120 data-nosnippet>120</a> <span class="attr">#[tokio::test]
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<a href=#121 id=121 data-nosnippet>121</a> </span><span class="kw">async fn </span>test_create_region() {
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<a href=#122 id=122 data-nosnippet>122</a> <span class="kw">let </span>(_dir, object_store) = new_test_object_store(<span class="string">"test_create_region"</span>);
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<a href=#123 id=123 data-nosnippet>123</a>
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<a href=#124 id=124 data-nosnippet>124</a> <span class="kw">let </span>request = RegionCreateRequest {
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<a href=#125 id=125 data-nosnippet>125</a> engine: <span class="string">"file"</span>.to_string(),
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<a href=#126 id=126 data-nosnippet>126</a> column_metadatas: new_test_column_metadata(),
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<a href=#127 id=127 data-nosnippet>127</a> primary_key: <span class="macro">vec!</span>[<span class="number">1</span>],
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<a href=#128 id=128 data-nosnippet>128</a> options: new_test_options(),
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<a href=#129 id=129 data-nosnippet>129</a> table_dir: <span class="string">"create_region_dir/"</span>.to_string(),
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<a href=#130 id=130 data-nosnippet>130</a> path_type: PathType::Bare,
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<a href=#131 id=131 data-nosnippet>131</a> partition_expr_json: <span class="prelude-val">Some</span>(<span class="string">""</span>.to_string()),
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<a href=#132 id=132 data-nosnippet>132</a> requirements: Default::default(),
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<a href=#133 id=133 data-nosnippet>133</a> };
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<a href=#134 id=134 data-nosnippet>134</a> <span class="kw">let </span>region_id = RegionId::new(<span class="number">1</span>, <span class="number">0</span>);
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<a href=#135 id=135 data-nosnippet>135</a>
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<a href=#136 id=136 data-nosnippet>136</a> <span class="kw">let </span>region = FileRegion::create(region_id, request.clone(), <span class="kw-2">&</span>object_store)
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<a href=#137 id=137 data-nosnippet>137</a> .<span class="kw">await
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<a href=#138 id=138 data-nosnippet>138</a> </span>.unwrap();
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<a href=#139 id=139 data-nosnippet>139</a>
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<a href=#140 id=140 data-nosnippet>140</a> <span class="macro">assert_eq!</span>(region.region_dir, <span class="string">"create_region_dir/1_0000000000/"</span>);
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<a href=#141 id=141 data-nosnippet>141</a> <span class="macro">assert_eq!</span>(region.url, <span class="string">"test"</span>);
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<a href=#142 id=142 data-nosnippet>142</a> <span class="macro">assert_eq!</span>(region.file_options.files, <span class="macro">vec!</span>[<span class="string">"1.csv"</span>]);
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<a href=#143 id=143 data-nosnippet>143</a> <span class="macro">assert_matches!</span>(region.format, Format::Csv { .. });
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<a href=#144 id=144 data-nosnippet>144</a> <span class="macro">assert_eq!</span>(region.options, new_test_options());
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<a href=#145 id=145 data-nosnippet>145</a> <span class="macro">assert_eq!</span>(region.metadata.region_id, region_id);
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<a href=#146 id=146 data-nosnippet>146</a> <span class="macro">assert_eq!</span>(region.metadata.primary_key, <span class="macro">vec!</span>[<span class="number">1</span>]);
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<a href=#147 id=147 data-nosnippet>147</a>
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<a href=#148 id=148 data-nosnippet>148</a> <span class="macro">assert!</span>(
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<a href=#149 id=149 data-nosnippet>149</a> object_store
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<a href=#150 id=150 data-nosnippet>150</a> .exists(<span class="string">"create_region_dir/1_0000000000/manifest/_file_manifest"</span>)
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<a href=#151 id=151 data-nosnippet>151</a> .<span class="kw">await
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<a href=#152 id=152 data-nosnippet>152</a> </span>.unwrap()
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<a href=#153 id=153 data-nosnippet>153</a> );
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<a href=#154 id=154 data-nosnippet>154</a>
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<a href=#155 id=155 data-nosnippet>155</a> <span class="comment">// Object exists, should fail
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<a href=#156 id=156 data-nosnippet>156</a> </span><span class="kw">let </span>err = FileRegion::create(region_id, request, <span class="kw-2">&</span>object_store)
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<a href=#157 id=157 data-nosnippet>157</a> .<span class="kw">await
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<a href=#158 id=158 data-nosnippet>158</a> </span>.unwrap_err();
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<a href=#159 id=159 data-nosnippet>159</a> <span class="macro">assert_matches!</span>(err, Error::ManifestExists { .. });
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<a href=#160 id=160 data-nosnippet>160</a> }
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<a href=#161 id=161 data-nosnippet>161</a>
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<a href=#162 id=162 data-nosnippet>162</a> <span class="attr">#[tokio::test]
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<a href=#163 id=163 data-nosnippet>163</a> </span><span class="kw">async fn </span>test_persisted_local_region_rejected_when_disabled() {
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<a href=#164 id=164 data-nosnippet>164</a> <span class="kw">let </span>(_dir, object_store) = new_test_object_store(<span class="string">"test_disabled_local_region"</span>);
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<a href=#165 id=165 data-nosnippet>165</a> <span class="kw">let </span>request = RegionCreateRequest {
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<a href=#166 id=166 data-nosnippet>166</a> engine: <span class="string">"file"</span>.to_string(),
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<a href=#167 id=167 data-nosnippet>167</a> column_metadatas: new_test_column_metadata(),
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<a href=#168 id=168 data-nosnippet>168</a> primary_key: <span class="macro">vec!</span>[<span class="number">1</span>],
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<a href=#169 id=169 data-nosnippet>169</a> options: new_test_options(),
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<a href=#170 id=170 data-nosnippet>170</a> table_dir: <span class="string">"disabled_local_region/"</span>.to_string(),
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<a href=#171 id=171 data-nosnippet>171</a> path_type: PathType::Bare,
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<a href=#172 id=172 data-nosnippet>172</a> partition_expr_json: <span class="prelude-val">Some</span>(<span class="string">""</span>.to_string()),
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<a href=#173 id=173 data-nosnippet>173</a> requirements: Default::default(),
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<a href=#174 id=174 data-nosnippet>174</a> };
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<a href=#175 id=175 data-nosnippet>175</a> <span class="kw">let </span>region = FileRegion::create(RegionId::new(<span class="number">1</span>, <span class="number">0</span>), request, <span class="kw-2">&</span>object_store)
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<a href=#176 id=176 data-nosnippet>176</a> .<span class="kw">await
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<a href=#177 id=177 data-nosnippet>177</a> </span>.unwrap();
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<a href=#178 id=178 data-nosnippet>178</a>
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<a href=#179 id=179 data-nosnippet>179</a> <span class="kw">let </span>error = <span class="kw">match </span>region
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<a href=#180 id=180 data-nosnippet>180</a> .query(ScanRequest::default(), <span class="kw-2">&</span>LocalFileAccess::Disabled)
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<a href=#181 id=181 data-nosnippet>181</a> .<span class="kw">await
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<a href=#182 id=182 data-nosnippet>182</a> </span>{
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<a href=#183 id=183 data-nosnippet>183</a> <span class="prelude-val">Ok</span>(<span class="kw">_</span>) => <span class="macro">panic!</span>(<span class="string">"local file query must be rejected"</span>),
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<a href=#184 id=184 data-nosnippet>184</a> <span class="prelude-val">Err</span>(error) => error,
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<a href=#185 id=185 data-nosnippet>185</a> };
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<a href=#186 id=186 data-nosnippet>186</a> <span class="macro">assert_matches!</span>(
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<a href=#187 id=187 data-nosnippet>187</a> <span class="kw-2">&</span>error,
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<a href=#188 id=188 data-nosnippet>188</a> Error::BuildBackend {
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<a href=#189 id=189 data-nosnippet>189</a> source: common_datasource::error::Error::LocalFileAccessDisabled { .. },
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<a href=#190 id=190 data-nosnippet>190</a> ..
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<a href=#191 id=191 data-nosnippet>191</a> }
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<a href=#192 id=192 data-nosnippet>192</a> );
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<a href=#193 id=193 data-nosnippet>193</a> <span class="macro">assert_eq!</span>(error.status_code(), StatusCode::InvalidArguments);
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<a href=#194 id=194 data-nosnippet>194</a> <span class="macro">assert_eq!</span>(error.retry_hint(), RetryHint::NonRetryable);
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<a href=#195 id=195 data-nosnippet>195</a> }
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<a href=#196 id=196 data-nosnippet>196</a>
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<a href=#197 id=197 data-nosnippet>197</a> <span class="attr">#[tokio::test]
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<a href=#198 id=198 data-nosnippet>198</a> </span><span class="kw">async fn </span>test_open_region() {
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<a href=#199 id=199 data-nosnippet>199</a> <span class="kw">let </span>(_dir, object_store) = new_test_object_store(<span class="string">"test_open_region"</span>);
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<a href=#200 id=200 data-nosnippet>200</a>
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<a href=#201 id=201 data-nosnippet>201</a> <span class="kw">let </span>region_dir = <span class="string">"open_region_dir/"</span>.to_string();
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<a href=#202 id=202 data-nosnippet>202</a> <span class="kw">let </span>request = RegionCreateRequest {
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<a href=#203 id=203 data-nosnippet>203</a> engine: <span class="string">"file"</span>.to_string(),
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<a href=#204 id=204 data-nosnippet>204</a> column_metadatas: new_test_column_metadata(),
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<a href=#205 id=205 data-nosnippet>205</a> primary_key: <span class="macro">vec!</span>[<span class="number">1</span>],
|
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<a href=#206 id=206 data-nosnippet>206</a> options: new_test_options(),
|
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<a href=#207 id=207 data-nosnippet>207</a> table_dir: region_dir.clone(),
|
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<a href=#208 id=208 data-nosnippet>208</a> path_type: PathType::Bare,
|
|
<a href=#209 id=209 data-nosnippet>209</a> partition_expr_json: <span class="prelude-val">Some</span>(<span class="string">""</span>.to_string()),
|
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<a href=#210 id=210 data-nosnippet>210</a> requirements: Default::default(),
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<a href=#211 id=211 data-nosnippet>211</a> };
|
|
<a href=#212 id=212 data-nosnippet>212</a> <span class="kw">let </span>region_id = RegionId::new(<span class="number">1</span>, <span class="number">0</span>);
|
|
<a href=#213 id=213 data-nosnippet>213</a>
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<a href=#214 id=214 data-nosnippet>214</a> <span class="kw">let _ </span>= FileRegion::create(region_id, request.clone(), <span class="kw-2">&</span>object_store)
|
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<a href=#215 id=215 data-nosnippet>215</a> .<span class="kw">await
|
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<a href=#216 id=216 data-nosnippet>216</a> </span>.unwrap();
|
|
<a href=#217 id=217 data-nosnippet>217</a>
|
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<a href=#218 id=218 data-nosnippet>218</a> <span class="kw">let </span>request = RegionOpenRequest {
|
|
<a href=#219 id=219 data-nosnippet>219</a> engine: <span class="string">"file"</span>.to_string(),
|
|
<a href=#220 id=220 data-nosnippet>220</a> table_dir: region_dir,
|
|
<a href=#221 id=221 data-nosnippet>221</a> path_type: PathType::Bare,
|
|
<a href=#222 id=222 data-nosnippet>222</a> options: HashMap::default(),
|
|
<a href=#223 id=223 data-nosnippet>223</a> skip_wal_replay: <span class="bool-val">false</span>,
|
|
<a href=#224 id=224 data-nosnippet>224</a> checkpoint: <span class="prelude-val">None</span>,
|
|
<a href=#225 id=225 data-nosnippet>225</a> requirements: Default::default(),
|
|
<a href=#226 id=226 data-nosnippet>226</a> };
|
|
<a href=#227 id=227 data-nosnippet>227</a>
|
|
<a href=#228 id=228 data-nosnippet>228</a> <span class="kw">let </span>region = FileRegion::open(region_id, request, <span class="kw-2">&</span>object_store)
|
|
<a href=#229 id=229 data-nosnippet>229</a> .<span class="kw">await
|
|
<a href=#230 id=230 data-nosnippet>230</a> </span>.unwrap();
|
|
<a href=#231 id=231 data-nosnippet>231</a>
|
|
<a href=#232 id=232 data-nosnippet>232</a> <span class="macro">assert_eq!</span>(region.region_dir, <span class="string">"open_region_dir/1_0000000000/"</span>);
|
|
<a href=#233 id=233 data-nosnippet>233</a> <span class="macro">assert_eq!</span>(region.url, <span class="string">"test"</span>);
|
|
<a href=#234 id=234 data-nosnippet>234</a> <span class="macro">assert_eq!</span>(region.file_options.files, <span class="macro">vec!</span>[<span class="string">"1.csv"</span>]);
|
|
<a href=#235 id=235 data-nosnippet>235</a> <span class="macro">assert_matches!</span>(region.format, Format::Csv { .. });
|
|
<a href=#236 id=236 data-nosnippet>236</a> <span class="macro">assert_eq!</span>(region.options, new_test_options());
|
|
<a href=#237 id=237 data-nosnippet>237</a> <span class="macro">assert_eq!</span>(region.metadata.region_id, region_id);
|
|
<a href=#238 id=238 data-nosnippet>238</a> <span class="macro">assert_eq!</span>(region.metadata.primary_key, <span class="macro">vec!</span>[<span class="number">1</span>]);
|
|
<a href=#239 id=239 data-nosnippet>239</a> }
|
|
<a href=#240 id=240 data-nosnippet>240</a>
|
|
<a href=#241 id=241 data-nosnippet>241</a> <span class="attr">#[tokio::test]
|
|
<a href=#242 id=242 data-nosnippet>242</a> </span><span class="kw">async fn </span>test_drop_region() {
|
|
<a href=#243 id=243 data-nosnippet>243</a> <span class="kw">let </span>(_dir, object_store) = new_test_object_store(<span class="string">"test_drop_region"</span>);
|
|
<a href=#244 id=244 data-nosnippet>244</a>
|
|
<a href=#245 id=245 data-nosnippet>245</a> <span class="kw">let </span>region_dir = <span class="string">"drop_region_dir/"</span>.to_string();
|
|
<a href=#246 id=246 data-nosnippet>246</a> <span class="kw">let </span>request = RegionCreateRequest {
|
|
<a href=#247 id=247 data-nosnippet>247</a> engine: <span class="string">"file"</span>.to_string(),
|
|
<a href=#248 id=248 data-nosnippet>248</a> column_metadatas: new_test_column_metadata(),
|
|
<a href=#249 id=249 data-nosnippet>249</a> primary_key: <span class="macro">vec!</span>[<span class="number">1</span>],
|
|
<a href=#250 id=250 data-nosnippet>250</a> options: new_test_options(),
|
|
<a href=#251 id=251 data-nosnippet>251</a> table_dir: region_dir.clone(),
|
|
<a href=#252 id=252 data-nosnippet>252</a> path_type: PathType::Bare,
|
|
<a href=#253 id=253 data-nosnippet>253</a> partition_expr_json: <span class="prelude-val">Some</span>(<span class="string">""</span>.to_string()),
|
|
<a href=#254 id=254 data-nosnippet>254</a> requirements: Default::default(),
|
|
<a href=#255 id=255 data-nosnippet>255</a> };
|
|
<a href=#256 id=256 data-nosnippet>256</a> <span class="kw">let </span>region_id = RegionId::new(<span class="number">1</span>, <span class="number">0</span>);
|
|
<a href=#257 id=257 data-nosnippet>257</a>
|
|
<a href=#258 id=258 data-nosnippet>258</a> <span class="kw">let </span>region = FileRegion::create(region_id, request.clone(), <span class="kw-2">&</span>object_store)
|
|
<a href=#259 id=259 data-nosnippet>259</a> .<span class="kw">await
|
|
<a href=#260 id=260 data-nosnippet>260</a> </span>.unwrap();
|
|
<a href=#261 id=261 data-nosnippet>261</a>
|
|
<a href=#262 id=262 data-nosnippet>262</a> <span class="macro">assert!</span>(
|
|
<a href=#263 id=263 data-nosnippet>263</a> object_store
|
|
<a href=#264 id=264 data-nosnippet>264</a> .exists(<span class="string">"drop_region_dir/1_0000000000/manifest/_file_manifest"</span>)
|
|
<a href=#265 id=265 data-nosnippet>265</a> .<span class="kw">await
|
|
<a href=#266 id=266 data-nosnippet>266</a> </span>.unwrap()
|
|
<a href=#267 id=267 data-nosnippet>267</a> );
|
|
<a href=#268 id=268 data-nosnippet>268</a>
|
|
<a href=#269 id=269 data-nosnippet>269</a> FileRegion::drop(<span class="kw-2">&</span>region, <span class="kw-2">&</span>object_store).<span class="kw">await</span>.unwrap();
|
|
<a href=#270 id=270 data-nosnippet>270</a> <span class="macro">assert!</span>(
|
|
<a href=#271 id=271 data-nosnippet>271</a> !object_store
|
|
<a href=#272 id=272 data-nosnippet>272</a> .exists(<span class="string">"drop_region_dir/1_0000000000/manifest/_file_manifest"</span>)
|
|
<a href=#273 id=273 data-nosnippet>273</a> .<span class="kw">await
|
|
<a href=#274 id=274 data-nosnippet>274</a> </span>.unwrap()
|
|
<a href=#275 id=275 data-nosnippet>275</a> );
|
|
<a href=#276 id=276 data-nosnippet>276</a>
|
|
<a href=#277 id=277 data-nosnippet>277</a> <span class="kw">let </span>request = RegionOpenRequest {
|
|
<a href=#278 id=278 data-nosnippet>278</a> engine: <span class="string">"file"</span>.to_string(),
|
|
<a href=#279 id=279 data-nosnippet>279</a> table_dir: region_dir,
|
|
<a href=#280 id=280 data-nosnippet>280</a> path_type: PathType::Bare,
|
|
<a href=#281 id=281 data-nosnippet>281</a> options: HashMap::default(),
|
|
<a href=#282 id=282 data-nosnippet>282</a> skip_wal_replay: <span class="bool-val">false</span>,
|
|
<a href=#283 id=283 data-nosnippet>283</a> checkpoint: <span class="prelude-val">None</span>,
|
|
<a href=#284 id=284 data-nosnippet>284</a> requirements: Default::default(),
|
|
<a href=#285 id=285 data-nosnippet>285</a> };
|
|
<a href=#286 id=286 data-nosnippet>286</a> <span class="kw">let </span>err = FileRegion::open(region_id, request, <span class="kw-2">&</span>object_store)
|
|
<a href=#287 id=287 data-nosnippet>287</a> .<span class="kw">await
|
|
<a href=#288 id=288 data-nosnippet>288</a> </span>.unwrap_err();
|
|
<a href=#289 id=289 data-nosnippet>289</a> <span class="macro">assert_matches!</span>(err, Error::LoadRegionManifest { .. });
|
|
<a href=#290 id=290 data-nosnippet>290</a> }
|
|
<a href=#291 id=291 data-nosnippet>291</a>}
|
|
</code></pre></div></section></main></body></html> |