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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 `tests-fuzz/src/utils.rs`."><title>utils.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-17e0aaed.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tests_fuzz" data-themes="" data-resource-suffix="" data-rustdoc-version="1.96.0-nightly (ac7f9ec7d 2026-03-20)" data-channel="nightly" data-search-js="search-63369b7b.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-5013f961.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">tests_fuzz/</div>utils.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">pub mod </span>cluster_info;
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<a href=#16 id=16 data-nosnippet>16</a><span class="kw">pub mod </span>config;
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<a href=#17 id=17 data-nosnippet>17</a><span class="kw">pub mod </span>crd;
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<a href=#18 id=18 data-nosnippet>18</a><span class="doccomment">/// CSV dump writer utilities for fuzz tests.
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<a href=#19 id=19 data-nosnippet>19</a></span><span class="kw">pub mod </span>csv_dump_writer;
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<a href=#20 id=20 data-nosnippet>20</a><span class="kw">pub mod </span>health;
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<a href=#21 id=21 data-nosnippet>21</a><span class="kw">pub mod </span>migration;
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<a href=#22 id=22 data-nosnippet>22</a><span class="kw">pub mod </span>network_chaos;
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<a href=#23 id=23 data-nosnippet>23</a><span class="kw">pub mod </span>partition;
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<a href=#24 id=24 data-nosnippet>24</a><span class="kw">pub mod </span>pod_failure;
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<a href=#25 id=25 data-nosnippet>25</a><span class="kw">pub mod </span>procedure;
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<a href=#26 id=26 data-nosnippet>26</a><span class="attr">#[cfg(feature = <span class="string">"unstable"</span>)]
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<a href=#27 id=27 data-nosnippet>27</a></span><span class="kw">pub mod </span>process;
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<a href=#28 id=28 data-nosnippet>28</a><span class="kw">pub mod </span>retry;
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<a href=#29 id=29 data-nosnippet>29</a><span class="doccomment">/// SQL dump writer utilities for fuzz tests.
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<a href=#30 id=30 data-nosnippet>30</a></span><span class="kw">pub mod </span>sql_dump_writer;
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<a href=#31 id=31 data-nosnippet>31</a><span class="kw">pub mod </span>wait;
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<a href=#32 id=32 data-nosnippet>32</a>
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<a href=#33 id=33 data-nosnippet>33</a><span class="kw">use </span>std::env;
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<a href=#34 id=34 data-nosnippet>34</a><span class="kw">use </span>std::str::FromStr;
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<a href=#35 id=35 data-nosnippet>35</a>
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<a href=#36 id=36 data-nosnippet>36</a><span class="kw">use </span>common_base::readable_size::ReadableSize;
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<a href=#37 id=37 data-nosnippet>37</a><span class="kw">use </span>common_telemetry::info;
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<a href=#38 id=38 data-nosnippet>38</a><span class="kw">use </span>common_telemetry::tracing::log::LevelFilter;
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<a href=#39 id=39 data-nosnippet>39</a><span class="kw">use </span>paste::paste;
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<a href=#40 id=40 data-nosnippet>40</a><span class="kw">use </span>snafu::ResultExt;
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<a href=#41 id=41 data-nosnippet>41</a><span class="kw">use </span>sqlx::mysql::{MySqlConnectOptions, MySqlPoolOptions};
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<a href=#42 id=42 data-nosnippet>42</a><span class="kw">use </span>sqlx::{ConnectOptions, MySql, Pool};
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<a href=#43 id=43 data-nosnippet>43</a>
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<a href=#44 id=44 data-nosnippet>44</a><span class="kw">use </span><span class="kw">crate</span>::error::{<span class="self">self</span>, <span class="prelude-ty">Result</span>};
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<a href=#45 id=45 data-nosnippet>45</a><span class="kw">use </span><span class="kw">crate</span>::ir::Ident;
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<a href=#46 id=46 data-nosnippet>46</a>
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<a href=#47 id=47 data-nosnippet>47</a><span class="doccomment">/// Database connections
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<a href=#48 id=48 data-nosnippet>48</a></span><span class="kw">pub struct </span>Connections {
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<a href=#49 id=49 data-nosnippet>49</a> <span class="kw">pub </span>mysql: <span class="prelude-ty">Option</span><Pool<MySql>>,
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<a href=#50 id=50 data-nosnippet>50</a>}
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<a href=#51 id=51 data-nosnippet>51</a>
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<a href=#52 id=52 data-nosnippet>52</a><span class="kw">const </span>GT_MYSQL_ADDR: <span class="kw-2">&</span>str = <span class="string">"GT_MYSQL_ADDR"</span>;
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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="doccomment">/// Connects to GreptimeDB via env variables.
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<a href=#55 id=55 data-nosnippet>55</a></span><span class="kw">pub async fn </span>init_greptime_connections_via_env() -> Connections {
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<a href=#56 id=56 data-nosnippet>56</a> <span class="kw">crate</span>::install_rustls_crypto_provider();
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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>= dotenv::dotenv();
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<a href=#59 id=59 data-nosnippet>59</a> <span class="kw">let </span>mysql = <span class="kw">if let </span><span class="prelude-val">Ok</span>(addr) = env::var(GT_MYSQL_ADDR) {
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<a href=#60 id=60 data-nosnippet>60</a> <span class="prelude-val">Some</span>(addr)
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<a href=#61 id=61 data-nosnippet>61</a> } <span class="kw">else </span>{
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<a href=#62 id=62 data-nosnippet>62</a> <span class="macro">info!</span>(<span class="string">"GT_MYSQL_ADDR is empty, ignores test"</span>);
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<a href=#63 id=63 data-nosnippet>63</a> <span class="prelude-val">None
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<a href=#64 id=64 data-nosnippet>64</a> </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> init_greptime_connections(mysql).<span class="kw">await
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<a href=#67 id=67 data-nosnippet>67</a></span>}
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<a href=#68 id=68 data-nosnippet>68</a>
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<a href=#69 id=69 data-nosnippet>69</a><span class="doccomment">/// Connects to GreptimeDB.
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<a href=#70 id=70 data-nosnippet>70</a></span><span class="kw">pub async fn </span>init_greptime_connections(mysql: <span class="prelude-ty">Option</span><String>) -> Connections {
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<a href=#71 id=71 data-nosnippet>71</a> <span class="kw">let </span>mysql = <span class="kw">if let </span><span class="prelude-val">Some</span>(addr) = mysql {
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<a href=#72 id=72 data-nosnippet>72</a> <span class="kw">let </span>opts = <span class="macro">format!</span>(<span class="string">"mysql://{addr}/public"</span>)
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<a href=#73 id=73 data-nosnippet>73</a> .parse::<MySqlConnectOptions>()
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<a href=#74 id=74 data-nosnippet>74</a> .unwrap()
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<a href=#75 id=75 data-nosnippet>75</a> .log_statements(LevelFilter::Off);
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<a href=#76 id=76 data-nosnippet>76</a>
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<a href=#77 id=77 data-nosnippet>77</a> <span class="prelude-val">Some</span>(MySqlPoolOptions::new().connect_with(opts).<span class="kw">await</span>.unwrap())
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<a href=#78 id=78 data-nosnippet>78</a> } <span class="kw">else </span>{
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<a href=#79 id=79 data-nosnippet>79</a> <span class="prelude-val">None
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<a href=#80 id=80 data-nosnippet>80</a> </span>};
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<a href=#81 id=81 data-nosnippet>81</a>
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<a href=#82 id=82 data-nosnippet>82</a> Connections { mysql }
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<a href=#83 id=83 data-nosnippet>83</a>}
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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">const </span>GT_FUZZ_BINARY_PATH: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_BINARY_PATH"</span>;
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<a href=#86 id=86 data-nosnippet>86</a><span class="kw">const </span>GT_FUZZ_INSTANCE_ROOT_DIR: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_INSTANCE_ROOT_DIR"</span>;
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<a href=#87 id=87 data-nosnippet>87</a>
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<a href=#88 id=88 data-nosnippet>88</a><span class="doccomment">/// The variables for unstable test
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<a href=#89 id=89 data-nosnippet>89</a></span><span class="kw">pub struct </span>UnstableTestVariables {
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<a href=#90 id=90 data-nosnippet>90</a> <span class="kw">pub </span>binary_path: String,
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<a href=#91 id=91 data-nosnippet>91</a> <span class="kw">pub </span>root_dir: <span class="prelude-ty">Option</span><String>,
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<a href=#92 id=92 data-nosnippet>92</a>}
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<a href=#93 id=93 data-nosnippet>93</a>
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<a href=#94 id=94 data-nosnippet>94</a><span class="doccomment">/// Loads env variables for unstable test
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<a href=#95 id=95 data-nosnippet>95</a></span><span class="kw">pub fn </span>load_unstable_test_env_variables() -> UnstableTestVariables {
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<a href=#96 id=96 data-nosnippet>96</a> <span class="kw">let _ </span>= dotenv::dotenv();
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<a href=#97 id=97 data-nosnippet>97</a> <span class="kw">let </span>binary_path = env::var(GT_FUZZ_BINARY_PATH).expect(<span class="string">"GT_FUZZ_BINARY_PATH not found"</span>);
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<a href=#98 id=98 data-nosnippet>98</a> <span class="kw">let </span>root_dir = env::var(GT_FUZZ_INSTANCE_ROOT_DIR).ok();
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<a href=#99 id=99 data-nosnippet>99</a>
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<a href=#100 id=100 data-nosnippet>100</a> UnstableTestVariables {
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<a href=#101 id=101 data-nosnippet>101</a> binary_path,
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<a href=#102 id=102 data-nosnippet>102</a> root_dir,
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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="kw">pub const </span>GT_FUZZ_CLUSTER_NAMESPACE: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_CLUSTER_NAMESPACE"</span>;
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<a href=#107 id=107 data-nosnippet>107</a><span class="kw">pub const </span>GT_FUZZ_CLUSTER_NAME: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_CLUSTER_NAME"</span>;
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<a href=#108 id=108 data-nosnippet>108</a>
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<a href=#109 id=109 data-nosnippet>109</a><span class="doccomment">/// Flushes memtable to SST file.
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<a href=#110 id=110 data-nosnippet>110</a></span><span class="kw">pub async fn </span>flush_memtable(e: <span class="kw-2">&</span>Pool<MySql>, table_name: <span class="kw-2">&</span>Ident) -> <span class="prelude-ty">Result</span><()> {
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<a href=#111 id=111 data-nosnippet>111</a> <span class="kw">let </span>sql = <span class="macro">format!</span>(<span class="string">"admin flush_table(\"{}\")"</span>, table_name);
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<a href=#112 id=112 data-nosnippet>112</a> <span class="kw">let </span>result = sqlx::query(<span class="kw-2">&</span>sql)
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<a href=#113 id=113 data-nosnippet>113</a> .execute(e)
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<a href=#114 id=114 data-nosnippet>114</a> .<span class="kw">await
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<a href=#115 id=115 data-nosnippet>115</a> </span>.context(error::ExecuteQuerySnafu { sql })<span class="question-mark">?</span>;
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<a href=#116 id=116 data-nosnippet>116</a> <span class="macro">info!</span>(<span class="string">"Flush table: {}\n\nResult: {result:?}\n\n"</span>, table_name);
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<a href=#117 id=117 data-nosnippet>117</a>
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<a href=#118 id=118 data-nosnippet>118</a> <span class="prelude-val">Ok</span>(())
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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>
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<a href=#121 id=121 data-nosnippet>121</a><span class="doccomment">/// Triggers a compaction for table
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<a href=#122 id=122 data-nosnippet>122</a></span><span class="kw">pub async fn </span>compact_table(e: <span class="kw-2">&</span>Pool<MySql>, table_name: <span class="kw-2">&</span>Ident) -> <span class="prelude-ty">Result</span><()> {
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<a href=#123 id=123 data-nosnippet>123</a> <span class="kw">let </span>sql = <span class="macro">format!</span>(<span class="string">"admin compact_table(\"{}\")"</span>, table_name);
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<a href=#124 id=124 data-nosnippet>124</a> <span class="kw">let </span>result = sqlx::query(<span class="kw-2">&</span>sql)
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<a href=#125 id=125 data-nosnippet>125</a> .execute(e)
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<a href=#126 id=126 data-nosnippet>126</a> .<span class="kw">await
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<a href=#127 id=127 data-nosnippet>127</a> </span>.context(error::ExecuteQuerySnafu { sql })<span class="question-mark">?</span>;
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<a href=#128 id=128 data-nosnippet>128</a> <span class="macro">info!</span>(<span class="string">"Compact table: {}\n\nResult: {result:?}\n\n"</span>, table_name);
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<a href=#129 id=129 data-nosnippet>129</a>
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<a href=#130 id=130 data-nosnippet>130</a> <span class="prelude-val">Ok</span>(())
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<a href=#131 id=131 data-nosnippet>131</a>}
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<a href=#132 id=132 data-nosnippet>132</a>
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<a href=#133 id=133 data-nosnippet>133</a><span class="kw">pub const </span>GT_FUZZ_INPUT_MAX_ROWS: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_INPUT_MAX_ROWS"</span>;
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<a href=#134 id=134 data-nosnippet>134</a><span class="kw">pub const </span>GT_FUZZ_INPUT_MAX_TABLES: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_INPUT_MAX_TABLES"</span>;
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<a href=#135 id=135 data-nosnippet>135</a><span class="kw">pub const </span>GT_FUZZ_INPUT_MAX_COLUMNS: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_INPUT_MAX_COLUMNS"</span>;
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<a href=#136 id=136 data-nosnippet>136</a><span class="kw">pub const </span>GT_FUZZ_INPUT_MAX_ALTER_ACTIONS: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_INPUT_MAX_ALTER_ACTIONS"</span>;
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<a href=#137 id=137 data-nosnippet>137</a><span class="kw">pub const </span>GT_FUZZ_INPUT_MAX_INSERT_ACTIONS: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_INPUT_MAX_INSERT_ACTIONS"</span>;
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<a href=#138 id=138 data-nosnippet>138</a><span class="kw">pub const </span>FUZZ_OVERRIDE_PREFIX: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_OVERRIDE_"</span>;
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<a href=#139 id=139 data-nosnippet>139</a><span class="doccomment">/// Enables CSV dump generation for fuzz runs.
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<a href=#140 id=140 data-nosnippet>140</a></span><span class="kw">pub const </span>GT_FUZZ_DUMP_TABLE_CSV: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_DUMP_TABLE_CSV"</span>;
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<a href=#141 id=141 data-nosnippet>141</a><span class="doccomment">/// Base directory for CSV dump sessions.
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<a href=#142 id=142 data-nosnippet>142</a></span><span class="kw">pub const </span>GT_FUZZ_DUMP_DIR: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_DUMP_DIR"</span>;
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<a href=#143 id=143 data-nosnippet>143</a><span class="doccomment">/// Directory suffix used by one CSV dump session.
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<a href=#144 id=144 data-nosnippet>144</a></span><span class="kw">pub const </span>GT_FUZZ_DUMP_SUFFIX: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_DUMP_SUFFIX"</span>;
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<a href=#145 id=145 data-nosnippet>145</a><span class="doccomment">/// Max in-memory CSV buffer size before auto flush.
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<a href=#146 id=146 data-nosnippet>146</a></span><span class="kw">pub const </span>GT_FUZZ_DUMP_BUFFER_MAX_BYTES: <span class="kw-2">&</span>str = <span class="string">"GT_FUZZ_DUMP_BUFFER_MAX_BYTES"</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="doccomment">/// Reads an override value for a fuzz parameter from env `GT_FUZZ_OVERRIDE_<NAME>`.
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<a href=#149 id=149 data-nosnippet>149</a></span><span class="kw">pub fn </span>get_fuzz_override<T>(name: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><T>
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<a href=#150 id=150 data-nosnippet>150</a><span class="kw">where
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<a href=#151 id=151 data-nosnippet>151</a> </span>T: std::str::FromStr,
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<a href=#152 id=152 data-nosnippet>152</a>{
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<a href=#153 id=153 data-nosnippet>153</a> <span class="kw">let _ </span>= dotenv::dotenv();
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<a href=#154 id=154 data-nosnippet>154</a> <span class="kw">let </span>key = <span class="macro">format!</span>(<span class="string">"{}{}"</span>, FUZZ_OVERRIDE_PREFIX, name.to_ascii_uppercase());
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<a href=#155 id=155 data-nosnippet>155</a> env::var(<span class="kw-2">&</span>key).ok().and_then(|v| v.parse().ok())
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<a href=#156 id=156 data-nosnippet>156</a>}
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<a href=#157 id=157 data-nosnippet>157</a>
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<a href=#158 id=158 data-nosnippet>158</a><span class="doccomment">/// Returns CSV dump base directory.
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<a href=#159 id=159 data-nosnippet>159</a></span><span class="kw">pub fn </span>get_gt_fuzz_dump_dir() -> String {
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<a href=#160 id=160 data-nosnippet>160</a> <span class="kw">let _ </span>= dotenv::dotenv();
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<a href=#161 id=161 data-nosnippet>161</a> env::var(GT_FUZZ_DUMP_DIR).unwrap_or_else(|<span class="kw">_</span>| <span class="string">"/tmp/greptime-fuzz-dumps"</span>.to_string())
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<a href=#162 id=162 data-nosnippet>162</a>}
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<a href=#163 id=163 data-nosnippet>163</a>
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<a href=#164 id=164 data-nosnippet>164</a><span class="doccomment">/// Returns CSV dump directory suffix.
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<a href=#165 id=165 data-nosnippet>165</a></span><span class="kw">pub fn </span>get_gt_fuzz_dump_suffix() -> String {
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<a href=#166 id=166 data-nosnippet>166</a> <span class="kw">let _ </span>= dotenv::dotenv();
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<a href=#167 id=167 data-nosnippet>167</a> env::var(GT_FUZZ_DUMP_SUFFIX).unwrap_or_else(|<span class="kw">_</span>| <span class="string">".repartition-metric-csv"</span>.to_string())
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<a href=#168 id=168 data-nosnippet>168</a>}
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<a href=#169 id=169 data-nosnippet>169</a>
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<a href=#170 id=170 data-nosnippet>170</a><span class="doccomment">/// Returns max CSV in-memory buffer size.
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<a href=#171 id=171 data-nosnippet>171</a></span><span class="kw">pub fn </span>get_gt_fuzz_dump_buffer_max_bytes() -> usize {
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<a href=#172 id=172 data-nosnippet>172</a> <span class="kw">let _ </span>= dotenv::dotenv();
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<a href=#173 id=173 data-nosnippet>173</a> env::var(GT_FUZZ_DUMP_BUFFER_MAX_BYTES)
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<a href=#174 id=174 data-nosnippet>174</a> .ok()
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<a href=#175 id=175 data-nosnippet>175</a> .and_then(|value| {
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<a href=#176 id=176 data-nosnippet>176</a> value.parse::<usize>().ok().or_else(|| {
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<a href=#177 id=177 data-nosnippet>177</a> ReadableSize::from_str(<span class="kw-2">&</span>value)
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<a href=#178 id=178 data-nosnippet>178</a> .ok()
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<a href=#179 id=179 data-nosnippet>179</a> .map(|size| size.as_bytes() <span class="kw">as </span>usize)
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<a href=#180 id=180 data-nosnippet>180</a> })
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<a href=#181 id=181 data-nosnippet>181</a> })
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<a href=#182 id=182 data-nosnippet>182</a> .unwrap_or(<span class="number">8 </span>* <span class="number">1024 </span>* <span class="number">1024</span>)
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<a href=#183 id=183 data-nosnippet>183</a>}
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<a href=#184 id=184 data-nosnippet>184</a>
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<a href=#185 id=185 data-nosnippet>185</a><span class="macro">macro_rules!</span> make_get_from_env_helper {
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<a href=#186 id=186 data-nosnippet>186</a> (<span class="macro-nonterminal">$key</span>:expr, <span class="macro-nonterminal">$default</span>: expr) => {
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<a href=#187 id=187 data-nosnippet>187</a> <span class="macro">paste!</span> {
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<a href=#188 id=188 data-nosnippet>188</a> <span class="attr">#[doc = <span class="string">"Retrieves `" </span><span class="macro-nonterminal">$key </span><span class="string">"` environment variable \
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<a href=#189 id=189 data-nosnippet>189</a> or returns a default value (`" </span><span class="macro-nonterminal">$default </span><span class="string">"`) if the environment variable is not set.
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<a href=#190 id=190 data-nosnippet>190</a> "</span>]
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<a href=#191 id=191 data-nosnippet>191</a> </span><span class="kw">pub fn </span>[<get_ <span class="macro-nonterminal">$key</span>:lower>]() -> usize {
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<a href=#192 id=192 data-nosnippet>192</a> get_from_env_or_default_value(<span class="macro-nonterminal">$key</span>, <span class="macro-nonterminal">$default</span>)
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<a href=#193 id=193 data-nosnippet>193</a> }
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<a href=#194 id=194 data-nosnippet>194</a> }
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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>
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<a href=#198 id=198 data-nosnippet>198</a><span class="macro">make_get_from_env_helper!</span>(GT_FUZZ_INPUT_MAX_ALTER_ACTIONS, <span class="number">256</span>);
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<a href=#199 id=199 data-nosnippet>199</a><span class="macro">make_get_from_env_helper!</span>(GT_FUZZ_INPUT_MAX_INSERT_ACTIONS, <span class="number">4</span>);
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<a href=#200 id=200 data-nosnippet>200</a><span class="macro">make_get_from_env_helper!</span>(GT_FUZZ_INPUT_MAX_ROWS, <span class="number">512</span>);
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<a href=#201 id=201 data-nosnippet>201</a><span class="macro">make_get_from_env_helper!</span>(GT_FUZZ_INPUT_MAX_TABLES, <span class="number">32</span>);
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<a href=#202 id=202 data-nosnippet>202</a><span class="macro">make_get_from_env_helper!</span>(GT_FUZZ_INPUT_MAX_COLUMNS, <span class="number">16</span>);
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<a href=#203 id=203 data-nosnippet>203</a>
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<a href=#204 id=204 data-nosnippet>204</a><span class="doccomment">/// Retrieves a value from the environment variables
|
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<a href=#205 id=205 data-nosnippet>205</a>/// or returns a default value if the environment variable is not set.
|
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<a href=#206 id=206 data-nosnippet>206</a></span><span class="kw">fn </span>get_from_env_or_default_value(key: <span class="kw-2">&</span>str, default_value: usize) -> usize {
|
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<a href=#207 id=207 data-nosnippet>207</a> <span class="kw">let _ </span>= dotenv::dotenv();
|
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<a href=#208 id=208 data-nosnippet>208</a> <span class="kw">if let </span><span class="prelude-val">Ok</span>(value) = env::var(key) {
|
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<a href=#209 id=209 data-nosnippet>209</a> value.parse().unwrap()
|
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<a href=#210 id=210 data-nosnippet>210</a> } <span class="kw">else </span>{
|
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<a href=#211 id=211 data-nosnippet>211</a> default_value
|
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<a href=#212 id=212 data-nosnippet>212</a> }
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<a href=#213 id=213 data-nosnippet>213</a>}
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</code></pre></div></section></main></body></html> |