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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 `db/db-core/src/ops.rs`."><title>ops.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-c4dbdcde0fbd8430.css" id="mainThemeStyle"><link rel="stylesheet" id="themeStyle" href="../../static.files/light-db279b6232be9c13.css"><link rel="stylesheet" disabled href="../../static.files/dark-cf923f49f397b216.css"><link rel="stylesheet" disabled href="../../static.files/ayu-be46fdc453a55015.css"><script src="../../static.files/storage-3891ce972e3a2bf8.js"></script><script defer src="../../static.files/source-script-1b95b7cca98b26e5.js"></script><script defer src="../../source-files.js"></script><script defer src="../../static.files/main-98a684e84ae5b08b.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-13285aec31fa243e.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../db_core/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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</pre><pre class="rust"><code><span class="comment">/*
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* Copyright (C) 2022 Aravinth Manivannan <realaravinth@batsense.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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</span><span class="doccomment">//! meta operations like migration and connecting to a database
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</span><span class="kw">use </span><span class="kw">crate</span>::dev::<span class="kw-2">*</span>;
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<span class="doccomment">/// Database operations trait(migrations, pool creation and fetching connection from pool)
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</span><span class="kw">pub trait </span>DBOps: GetConnection + Migrate {}
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<span class="doccomment">/// Get database connection
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</span><span class="attr">#[async_trait]
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</span><span class="kw">pub trait </span>GetConnection {
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<span class="doccomment">/// database connection type
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</span><span class="kw">type </span>Conn;
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<span class="doccomment">/// database specific error-type
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/// get connection from connection pool
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</span><span class="kw">async fn </span>get_conn(<span class="kw-2">&</span><span class="self">self</span>) -> DBResult<<span class="self">Self</span>::Conn>;
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}
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<span class="doccomment">/// Create database connection
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</span><span class="attr">#[async_trait]
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</span><span class="kw">pub trait </span>Connect {
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<span class="doccomment">/// database specific pool-type
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</span><span class="kw">type </span>Pool: MCDatabase;
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<span class="doccomment">/// database specific error-type
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/// create connection pool
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</span><span class="kw">async fn </span>connect(<span class="self">self</span>) -> DBResult<<span class="self">Self</span>::Pool>;
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}
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<span class="doccomment">/// database migrations
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</span><span class="attr">#[async_trait]
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</span><span class="kw">pub trait </span>Migrate: MCDatabase {
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<span class="doccomment">/// database specific error-type
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/// run migrations
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</span><span class="kw">async fn </span>migrate(<span class="kw-2">&</span><span class="self">self</span>) -> DBResult<()>;
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}
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</code></pre></div>
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