mirror of
https://gitea.invidious.io/iv-org/shard-crystal-db.git
synced 2024-08-15 00:53:32 +00:00
604 lines
17 KiB
HTML
604 lines
17 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8" />
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge">
|
|
<meta name="generator" content="Crystal Docs 1.2.2">
|
|
<meta name="crystal_docs.project_version" content="0.11.0">
|
|
<meta name="crystal_docs.project_name" content="db">
|
|
|
|
|
|
|
|
<link href="../css/style.css" rel="stylesheet" type="text/css" />
|
|
<script type="text/javascript" src="../js/doc.js"></script>
|
|
|
|
<meta name="repository-name" content="db">
|
|
<title>DB::Pool(T) - db 0.11.0</title>
|
|
<script type="text/javascript">
|
|
CrystalDocs.base_path = "../";
|
|
</script>
|
|
</head>
|
|
<body>
|
|
|
|
<svg class="hidden">
|
|
<symbol id="octicon-link" viewBox="0 0 16 16">
|
|
<path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path>
|
|
</symbol>
|
|
</svg>
|
|
<div class="sidebar">
|
|
<div class="sidebar-header">
|
|
<div class="search-box">
|
|
<input type="search" class="search-input" placeholder="Search..." spellcheck="false" aria-label="Search">
|
|
</div>
|
|
|
|
<div class="project-summary">
|
|
<h1 class="project-name">
|
|
<a href="../index.html">
|
|
db
|
|
</a>
|
|
</h1>
|
|
|
|
<span class="project-version">
|
|
0.11.0
|
|
</span>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="search-results hidden">
|
|
<ul class="search-list"></ul>
|
|
</div>
|
|
|
|
<div class="types-list">
|
|
<ul>
|
|
|
|
<li class="parent open current" data-id="db/DB" data-name="db">
|
|
<a href="../DB.html">DB</a>
|
|
|
|
<ul>
|
|
|
|
<li class=" " data-id="db/DB/Any" data-name="db::any">
|
|
<a href="../DB/Any.html">Any</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/BeginTransaction" data-name="db::begintransaction">
|
|
<a href="../DB/BeginTransaction.html">BeginTransaction</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/ColumnTypeMismatchError" data-name="db::columntypemismatcherror">
|
|
<a href="../DB/ColumnTypeMismatchError.html">ColumnTypeMismatchError</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Connection" data-name="db::connection">
|
|
<a href="../DB/Connection.html">Connection</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/ConnectionContext" data-name="db::connectioncontext">
|
|
<a href="../DB/ConnectionContext.html">ConnectionContext</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/ConnectionLost" data-name="db::connectionlost">
|
|
<a href="../DB/ConnectionLost.html">ConnectionLost</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/ConnectionRefused" data-name="db::connectionrefused">
|
|
<a href="../DB/ConnectionRefused.html">ConnectionRefused</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Database" data-name="db::database">
|
|
<a href="../DB/Database.html">Database</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Disposable" data-name="db::disposable">
|
|
<a href="../DB/Disposable.html">Disposable</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Driver" data-name="db::driver">
|
|
<a href="../DB/Driver.html">Driver</a>
|
|
|
|
</li>
|
|
|
|
<li class="parent " data-id="db/DB/DriverSpecs" data-name="db::driverspecs(dbanytype)">
|
|
<a href="../DB/DriverSpecs.html">DriverSpecs</a>
|
|
|
|
<ul>
|
|
|
|
<li class=" " data-id="db/DB/DriverSpecs/ColumnDef" data-name="db::driverspecs::columndef">
|
|
<a href="../DB/DriverSpecs/ColumnDef.html">ColumnDef</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Error" data-name="db::error">
|
|
<a href="../DB/Error.html">Error</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/ExecResult" data-name="db::execresult">
|
|
<a href="../DB/ExecResult.html">ExecResult</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Field" data-name="db::field">
|
|
<a href="../DB/Field.html">Field</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Mappable" data-name="db::mappable">
|
|
<a href="../DB/Mappable.html">Mappable</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/MappingException" data-name="db::mappingexception">
|
|
<a href="../DB/MappingException.html">MappingException</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/MetadataValueConverter" data-name="db::metadatavalueconverter">
|
|
<a href="../DB/MetadataValueConverter.html">MetadataValueConverter</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/NoResultsError" data-name="db::noresultserror">
|
|
<a href="../DB/NoResultsError.html">NoResultsError</a>
|
|
|
|
</li>
|
|
|
|
<li class="parent open current" data-id="db/DB/Pool" data-name="db::pool(t)">
|
|
<a href="../DB/Pool.html">Pool</a>
|
|
|
|
<ul>
|
|
|
|
<li class=" " data-id="db/DB/Pool/Stats" data-name="db::pool::stats">
|
|
<a href="../DB/Pool/Stats.html">Stats</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/PoolPreparedStatement" data-name="db::poolpreparedstatement">
|
|
<a href="../DB/PoolPreparedStatement.html">PoolPreparedStatement</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/PoolResourceLost" data-name="db::poolresourcelost(t)">
|
|
<a href="../DB/PoolResourceLost.html">PoolResourceLost</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/PoolResourceRefused" data-name="db::poolresourcerefused">
|
|
<a href="../DB/PoolResourceRefused.html">PoolResourceRefused</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/PoolRetryAttemptsExceeded" data-name="db::poolretryattemptsexceeded">
|
|
<a href="../DB/PoolRetryAttemptsExceeded.html">PoolRetryAttemptsExceeded</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/PoolStatement" data-name="db::poolstatement">
|
|
<a href="../DB/PoolStatement.html">PoolStatement</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/PoolTimeout" data-name="db::pooltimeout">
|
|
<a href="../DB/PoolTimeout.html">PoolTimeout</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/PoolUnpreparedStatement" data-name="db::poolunpreparedstatement">
|
|
<a href="../DB/PoolUnpreparedStatement.html">PoolUnpreparedStatement</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/QueryMethods" data-name="db::querymethods(stmt)">
|
|
<a href="../DB/QueryMethods.html">QueryMethods</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/ResultSet" data-name="db::resultset">
|
|
<a href="../DB/ResultSet.html">ResultSet</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Rollback" data-name="db::rollback">
|
|
<a href="../DB/Rollback.html">Rollback</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/SavePointTransaction" data-name="db::savepointtransaction">
|
|
<a href="../DB/SavePointTransaction.html">SavePointTransaction</a>
|
|
|
|
</li>
|
|
|
|
<li class="parent " data-id="db/DB/Serializable" data-name="db::serializable">
|
|
<a href="../DB/Serializable.html">Serializable</a>
|
|
|
|
<ul>
|
|
|
|
<li class=" " data-id="db/DB/Serializable/NonStrict" data-name="db::serializable::nonstrict">
|
|
<a href="../DB/Serializable/NonStrict.html">NonStrict</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
|
|
</li>
|
|
|
|
<li class="parent " data-id="db/DB/SessionMethods" data-name="db::sessionmethods(session, stmt)">
|
|
<a href="../DB/SessionMethods.html">SessionMethods</a>
|
|
|
|
<ul>
|
|
|
|
<li class=" " data-id="db/DB/SessionMethods/PreparedQuery" data-name="db::sessionmethods::preparedquery(session, stmt)">
|
|
<a href="../DB/SessionMethods/PreparedQuery.html">PreparedQuery</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/SessionMethods/UnpreparedQuery" data-name="db::sessionmethods::unpreparedquery(session, stmt)">
|
|
<a href="../DB/SessionMethods/UnpreparedQuery.html">UnpreparedQuery</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Statement" data-name="db::statement">
|
|
<a href="../DB/Statement.html">Statement</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/StatementMethods" data-name="db::statementmethods">
|
|
<a href="../DB/StatementMethods.html">StatementMethods</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/StringKeyCache" data-name="db::stringkeycache(t)">
|
|
<a href="../DB/StringKeyCache.html">StringKeyCache</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/TopLevelTransaction" data-name="db::topleveltransaction">
|
|
<a href="../DB/TopLevelTransaction.html">TopLevelTransaction</a>
|
|
|
|
</li>
|
|
|
|
<li class=" " data-id="db/DB/Transaction" data-name="db::transaction">
|
|
<a href="../DB/Transaction.html">Transaction</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
</div>
|
|
</div>
|
|
|
|
|
|
<div class="main-content">
|
|
<h1 class="type-name">
|
|
|
|
<span class="kind">class</span> DB::Pool(T)
|
|
|
|
</h1>
|
|
|
|
|
|
<ul class="superclass-hierarchy"><li class="superclass"><a href="../DB/Pool.html">DB::Pool(T)</a></li><li class="superclass">Reference</li><li class="superclass">Object</li></ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h2>
|
|
<a id="defined-in" class="anchor" href="#defined-in">
|
|
<svg class="octicon-link" aria-hidden="true">
|
|
<use href="#octicon-link"/>
|
|
</svg>
|
|
</a>
|
|
Defined in:
|
|
</h2>
|
|
|
|
|
|
<a href="https://github.com/crystal-lang/crystal-db/blob/v0.11.0/src/db/pool.cr#L6" target="_blank">
|
|
db/pool.cr
|
|
</a>
|
|
|
|
<br/>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h2>
|
|
<a id="constructors" class="anchor" href="#constructors">
|
|
<svg class="octicon-link" aria-hidden="true">
|
|
<use href="#octicon-link"/>
|
|
</svg>
|
|
</a>
|
|
Constructors
|
|
</h2>
|
|
<ul class="list-summary">
|
|
|
|
<li class="entry-summary">
|
|
<a href="#new%28initial_pool_size%3D1%2Cmax_pool_size%3D0%2Cmax_idle_pool_size%3D1%2Ccheckout_timeout%3D5.0%2Cretry_attempts%3D1%2Cretry_delay%3D0.2%2C%26factory%3A-%3ET%29-class-method" class="signature"><strong>.new</strong>(initial_pool_size = <span class="n">1</span>, max_pool_size = <span class="n">0</span>, max_idle_pool_size = <span class="n">1</span>, checkout_timeout = <span class="n">5.0</span>, retry_attempts = <span class="n">1</span>, retry_delay = <span class="n">0.2</span>, &factory : -> T)</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
<h2>
|
|
<a id="instance-method-summary" class="anchor" href="#instance-method-summary">
|
|
<svg class="octicon-link" aria-hidden="true">
|
|
<use href="#octicon-link"/>
|
|
</svg>
|
|
</a>
|
|
Instance Method Summary
|
|
</h2>
|
|
<ul class="list-summary">
|
|
|
|
<li class="entry-summary">
|
|
<a href="#checkout%3AT-instance-method" class="signature"><strong>#checkout</strong> : T</a>
|
|
|
|
</li>
|
|
|
|
<li class="entry-summary">
|
|
<a href="#checkout%28%26block%3AT-%3E%29-instance-method" class="signature"><strong>#checkout</strong>(&block : T -> )</a>
|
|
|
|
</li>
|
|
|
|
<li class="entry-summary">
|
|
<a href="#checkout_some%28candidates%3AEnumerable%28WeakRef%28T%29%29%29%3ATuple%28T%2CBool%29-instance-method" class="signature"><strong>#checkout_some</strong>(candidates : Enumerable(WeakRef(T))) : Tuple(T, Bool)</a>
|
|
|
|
<div class="summary"><p><code>selected, is_candidate = pool.checkout_some(candidates)</code> <code>selected</code> be a resource from the <code>candidates</code> list and <code>is_candidate</code> == <code>true</code> or <code>selected</code> will be a new resource and <code>is_candidate</code> == <code>false</code></p></div>
|
|
|
|
</li>
|
|
|
|
<li class="entry-summary">
|
|
<a href="#close%3ANil-instance-method" class="signature"><strong>#close</strong> : Nil</a>
|
|
|
|
<div class="summary"><p>close all resources in the pool</p></div>
|
|
|
|
</li>
|
|
|
|
<li class="entry-summary">
|
|
<a href="#release%28resource%3AT%29%3ANil-instance-method" class="signature"><strong>#release</strong>(resource : T) : Nil</a>
|
|
|
|
</li>
|
|
|
|
<li class="entry-summary">
|
|
<a href="#stats-instance-method" class="signature"><strong>#stats</strong></a>
|
|
|
|
<div class="summary"><p>Returns stats of the pool</p></div>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
<div class="methods-inherited">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<h2>
|
|
<a id="constructor-detail" class="anchor" href="#constructor-detail">
|
|
<svg class="octicon-link" aria-hidden="true">
|
|
<use href="#octicon-link"/>
|
|
</svg>
|
|
</a>
|
|
Constructor Detail
|
|
</h2>
|
|
|
|
<div class="entry-detail" id="new(initial_pool_size=1,max_pool_size=0,max_idle_pool_size=1,checkout_timeout=5.0,retry_attempts=1,retry_delay=0.2,&factory:->T)-class-method">
|
|
<div class="signature">
|
|
|
|
def self.<strong>new</strong>(initial_pool_size = <span class="n">1</span>, max_pool_size = <span class="n">0</span>, max_idle_pool_size = <span class="n">1</span>, checkout_timeout = <span class="n">5.0</span>, retry_attempts = <span class="n">1</span>, retry_delay = <span class="n">0.2</span>, &factory : -> T)
|
|
|
|
<a class="method-permalink" href="#new%28initial_pool_size%3D1%2Cmax_pool_size%3D0%2Cmax_idle_pool_size%3D1%2Ccheckout_timeout%3D5.0%2Cretry_attempts%3D1%2Cretry_delay%3D0.2%2C%26factory%3A-%3ET%29-class-method">#</a>
|
|
</div>
|
|
|
|
<br/>
|
|
<div>
|
|
|
|
[<a href="https://github.com/crystal-lang/crystal-db/blob/v0.11.0/src/db/pool.cr#L40" target="_blank">View source</a>]
|
|
|
|
</div>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h2>
|
|
<a id="instance-method-detail" class="anchor" href="#instance-method-detail">
|
|
<svg class="octicon-link" aria-hidden="true">
|
|
<use href="#octicon-link"/>
|
|
</svg>
|
|
</a>
|
|
Instance Method Detail
|
|
</h2>
|
|
|
|
<div class="entry-detail" id="checkout:T-instance-method">
|
|
<div class="signature">
|
|
|
|
def <strong>checkout</strong> : T
|
|
|
|
<a class="method-permalink" href="#checkout%3AT-instance-method">#</a>
|
|
</div>
|
|
|
|
<br/>
|
|
<div>
|
|
|
|
[<a href="https://github.com/crystal-lang/crystal-db/blob/v0.11.0/src/db/pool.cr#L73" target="_blank">View source</a>]
|
|
|
|
</div>
|
|
</div>
|
|
|
|
<div class="entry-detail" id="checkout(&block:T->)-instance-method">
|
|
<div class="signature">
|
|
|
|
def <strong>checkout</strong>(&block : T -> )
|
|
|
|
<a class="method-permalink" href="#checkout%28%26block%3AT-%3E%29-instance-method">#</a>
|
|
</div>
|
|
|
|
<br/>
|
|
<div>
|
|
|
|
[<a href="https://github.com/crystal-lang/crystal-db/blob/v0.11.0/src/db/pool.cr#L109" target="_blank">View source</a>]
|
|
|
|
</div>
|
|
</div>
|
|
|
|
<div class="entry-detail" id="checkout_some(candidates:Enumerable(WeakRef(T))):Tuple(T,Bool)-instance-method">
|
|
<div class="signature">
|
|
|
|
def <strong>checkout_some</strong>(candidates : Enumerable(WeakRef(T))) : Tuple(T, Bool)
|
|
|
|
<a class="method-permalink" href="#checkout_some%28candidates%3AEnumerable%28WeakRef%28T%29%29%29%3ATuple%28T%2CBool%29-instance-method">#</a>
|
|
</div>
|
|
|
|
<div class="doc">
|
|
|
|
<pre><code class="language-crystal">selected, is_candidate <span class="o">=</span> pool.checkout_some(candidates)</code></pre>
|
|
<p><code>selected</code> be a resource from the <code>candidates</code> list and <code>is_candidate</code> == <code>true</code>
|
|
or <code>selected</code> will be a new resource and <code>is_candidate</code> == <code>false</code></p>
|
|
</div>
|
|
|
|
<br/>
|
|
<div>
|
|
|
|
[<a href="https://github.com/crystal-lang/crystal-db/blob/v0.11.0/src/db/pool.cr#L124" target="_blank">View source</a>]
|
|
|
|
</div>
|
|
</div>
|
|
|
|
<div class="entry-detail" id="close:Nil-instance-method">
|
|
<div class="signature">
|
|
|
|
def <strong>close</strong> : Nil
|
|
|
|
<a class="method-permalink" href="#close%3ANil-instance-method">#</a>
|
|
</div>
|
|
|
|
<div class="doc">
|
|
|
|
<p>close all resources in the pool</p>
|
|
</div>
|
|
|
|
<br/>
|
|
<div>
|
|
|
|
[<a href="https://github.com/crystal-lang/crystal-db/blob/v0.11.0/src/db/pool.cr#L51" target="_blank">View source</a>]
|
|
|
|
</div>
|
|
</div>
|
|
|
|
<div class="entry-detail" id="release(resource:T):Nil-instance-method">
|
|
<div class="signature">
|
|
|
|
def <strong>release</strong>(resource : T) : Nil
|
|
|
|
<a class="method-permalink" href="#release%28resource%3AT%29%3ANil-instance-method">#</a>
|
|
</div>
|
|
|
|
<br/>
|
|
<div>
|
|
|
|
[<a href="https://github.com/crystal-lang/crystal-db/blob/v0.11.0/src/db/pool.cr#L140" target="_blank">View source</a>]
|
|
|
|
</div>
|
|
</div>
|
|
|
|
<div class="entry-detail" id="stats-instance-method">
|
|
<div class="signature">
|
|
|
|
def <strong>stats</strong>
|
|
|
|
<a class="method-permalink" href="#stats-instance-method">#</a>
|
|
</div>
|
|
|
|
<div class="doc">
|
|
|
|
<p>Returns stats of the pool</p>
|
|
</div>
|
|
|
|
<br/>
|
|
<div>
|
|
|
|
[<a href="https://github.com/crystal-lang/crystal-db/blob/v0.11.0/src/db/pool.cr#L64" target="_blank">View source</a>]
|
|
|
|
</div>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
</body>
|
|
</html>
|