shard-crystal-db/api/0.4.3/DB/PoolStatement.html

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<h1 class="type-name">
<span class="kind">abstract class</span> DB::PoolStatement
</h1>
<ul class="superclass-hierarchy"><li class="superclass"><a href="../DB/PoolStatement.html">DB::PoolStatement</a></li><li class="superclass">Reference</li><li class="superclass">Object</li></ul>
<h2>Overview</h2>
<p>When a statement is to be executed in a DB that has a connection pool
a statement from the DB needs to be able to represent a statement in any
of the connections of the pool. Otherwise the user will need to deal with
actual connections in some point.</p>
<h2>Included Modules</h2>
<ul class="other-types-list">
<li class="other-type"><a href="../DB/StatementMethods.html">DB::StatementMethods</a></li>
</ul>
<h2>Direct Known Subclasses</h2>
<ul class="other-types-list">
<li class="other-type"><a href="../DB/PoolPreparedStatement.html">DB::PoolPreparedStatement</a></li>
<li class="other-type"><a href="../DB/PoolUnpreparedStatement.html">DB::PoolUnpreparedStatement</a></li>
</ul>
<h2>Defined in:</h2>
<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L6" target="_blank">db/pool_statement.cr</a>
<br/>
<h2>Constructors</h2>
<ul class="list-summary">
<li class="entry-summary">
<a href="#new%28db%3ADatabase%2Cquery%3AString%29-class-method" class="signature"><strong>.new</strong>(db : Database, query : String)</a>
</li>
</ul>
<h2>Instance Method Summary</h2>
<ul class="list-summary">
<li class="entry-summary">
<a href="#exec%28args%3AArray%29%3AExecResult-instance-method" class="signature"><strong>#exec</strong>(args : Array) : ExecResult</a>
<div class="summary"><p>See <code><a href="../DB/QueryMethods.html#exec%28query%2C%2Aargs%29-instance-method">QueryMethods#exec</a></code></p></div>
</li>
<li class="entry-summary">
<a href="#exec%3AExecResult-instance-method" class="signature"><strong>#exec</strong> : ExecResult</a>
<div class="summary"><p>See <code><a href="../DB/QueryMethods.html#exec%28query%2C%2Aargs%29-instance-method">QueryMethods#exec</a></code></p></div>
</li>
<li class="entry-summary">
<a href="#exec%28%2Aargs%29%3AExecResult-instance-method" class="signature"><strong>#exec</strong>(*args) : ExecResult</a>
<div class="summary"><p>See <code><a href="../DB/QueryMethods.html#exec%28query%2C%2Aargs%29-instance-method">QueryMethods#exec</a></code></p></div>
</li>
<li class="entry-summary">
<a href="#query%28args%3AArray%29%3AResultSet-instance-method" class="signature"><strong>#query</strong>(args : Array) : ResultSet</a>
<div class="summary"><p>See <code><a href="../DB/QueryMethods.html#query%28query%2C%2Aargs%29-instance-method">QueryMethods#query</a></code></p></div>
</li>
<li class="entry-summary">
<a href="#query%3AResultSet-instance-method" class="signature"><strong>#query</strong> : ResultSet</a>
<div class="summary"><p>See <code><a href="../DB/QueryMethods.html#query%28query%2C%2Aargs%29-instance-method">QueryMethods#query</a></code></p></div>
</li>
<li class="entry-summary">
<a href="#query%28%2Aargs%29%3AResultSet-instance-method" class="signature"><strong>#query</strong>(*args) : ResultSet</a>
<div class="summary"><p>See <code><a href="../DB/QueryMethods.html#query%28query%2C%2Aargs%29-instance-method">QueryMethods#query</a></code></p></div>
</li>
<li class="entry-summary">
<a href="#scalar%28%2Aargs%29-instance-method" class="signature"><strong>#scalar</strong>(*args)</a>
<div class="summary"><p>See <code><a href="../DB/QueryMethods.html#scalar%28query%2C%2Aargs%29-instance-method">QueryMethods#scalar</a></code></p></div>
</li>
</ul>
<div class="methods-inherited">
<h3>Instance methods inherited from module <code><a href="../DB/StatementMethods.html">DB::StatementMethods</a></code></h3>
<a href="../DB/StatementMethods.html#exec%28args%3AArray%29%3AExecResult-instance-method" class="tooltip">
<span>exec(args : Array) : ExecResult<br/>exec : ExecResult<br/>exec(*args) : ExecResult</span>
exec</a>,
<a href="../DB/StatementMethods.html#query%28%2Aargs%2C%26block%29-instance-method" class="tooltip">
<span>query(*args, &block)<br/>query(args : Array) : ResultSet<br/>query : ResultSet<br/>query(*args) : ResultSet</span>
query</a>,
<a href="../DB/StatementMethods.html#scalar%28%2Aargs%29-instance-method" class="tooltip">
<span>scalar(*args)</span>
scalar</a>
<h3>Instance methods inherited from module <code><a href="../DB/Disposable.html">DB::Disposable</a></code></h3>
<a href="../DB/Disposable.html#close-instance-method" class="tooltip">
<span>close</span>
close</a>,
<a href="../DB/Disposable.html#closed%3F-instance-method" class="tooltip">
<span>closed?</span>
closed?</a>
</div>
<h2>Constructor Detail</h2>
<div class="entry-detail" id="new&#40;db:Database,query:String&#41;-class-method">
<div class="signature">
def self.<strong>new</strong>(db : <a href="../DB/Database.html">Database</a>, query : String)
<a class="method-permalink" href="#new%28db%3ADatabase%2Cquery%3AString%29-class-method">#</a>
</div>
<br/>
<div>
[<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L9" target="_blank">View source</a>]
</div>
</div>
<h2>Instance Method Detail</h2>
<div class="entry-detail" id="exec&#40;args:Array&#41;:ExecResult-instance-method">
<div class="signature">
def <strong>exec</strong>(args : Array) : <a href="../DB/ExecResult.html">ExecResult</a>
<a class="method-permalink" href="#exec%28args%3AArray%29%3AExecResult-instance-method">#</a>
</div>
<div class="doc"><p>See <code><a href="../DB/QueryMethods.html#exec%28query%2C%2Aargs%29-instance-method">QueryMethods#exec</a></code></p></div>
<br/>
<div>
[<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L23" target="_blank">View source</a>]
</div>
</div>
<div class="entry-detail" id="exec:ExecResult-instance-method">
<div class="signature">
def <strong>exec</strong> : <a href="../DB/ExecResult.html">ExecResult</a>
<a class="method-permalink" href="#exec%3AExecResult-instance-method">#</a>
</div>
<div class="doc"><p>See <code><a href="../DB/QueryMethods.html#exec%28query%2C%2Aargs%29-instance-method">QueryMethods#exec</a></code></p></div>
<br/>
<div>
[<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L13" target="_blank">View source</a>]
</div>
</div>
<div class="entry-detail" id="exec&#40;*args&#41;:ExecResult-instance-method">
<div class="signature">
def <strong>exec</strong>(*args) : <a href="../DB/ExecResult.html">ExecResult</a>
<a class="method-permalink" href="#exec%28%2Aargs%29%3AExecResult-instance-method">#</a>
</div>
<div class="doc"><p>See <code><a href="../DB/QueryMethods.html#exec%28query%2C%2Aargs%29-instance-method">QueryMethods#exec</a></code></p></div>
<br/>
<div>
[<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L18" target="_blank">View source</a>]
</div>
</div>
<div class="entry-detail" id="query&#40;args:Array&#41;:ResultSet-instance-method">
<div class="signature">
def <strong>query</strong>(args : Array) : <a href="../DB/ResultSet.html">ResultSet</a>
<a class="method-permalink" href="#query%28args%3AArray%29%3AResultSet-instance-method">#</a>
</div>
<div class="doc"><p>See <code><a href="../DB/QueryMethods.html#query%28query%2C%2Aargs%29-instance-method">QueryMethods#query</a></code></p></div>
<br/>
<div>
[<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L38" target="_blank">View source</a>]
</div>
</div>
<div class="entry-detail" id="query:ResultSet-instance-method">
<div class="signature">
def <strong>query</strong> : <a href="../DB/ResultSet.html">ResultSet</a>
<a class="method-permalink" href="#query%3AResultSet-instance-method">#</a>
</div>
<div class="doc"><p>See <code><a href="../DB/QueryMethods.html#query%28query%2C%2Aargs%29-instance-method">QueryMethods#query</a></code></p></div>
<br/>
<div>
[<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L28" target="_blank">View source</a>]
</div>
</div>
<div class="entry-detail" id="query&#40;*args&#41;:ResultSet-instance-method">
<div class="signature">
def <strong>query</strong>(*args) : <a href="../DB/ResultSet.html">ResultSet</a>
<a class="method-permalink" href="#query%28%2Aargs%29%3AResultSet-instance-method">#</a>
</div>
<div class="doc"><p>See <code><a href="../DB/QueryMethods.html#query%28query%2C%2Aargs%29-instance-method">QueryMethods#query</a></code></p></div>
<br/>
<div>
[<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L33" target="_blank">View source</a>]
</div>
</div>
<div class="entry-detail" id="scalar&#40;*args&#41;-instance-method">
<div class="signature">
def <strong>scalar</strong>(*args)
<a class="method-permalink" href="#scalar%28%2Aargs%29-instance-method">#</a>
</div>
<div class="doc"><p>See <code><a href="../DB/QueryMethods.html#scalar%28query%2C%2Aargs%29-instance-method">QueryMethods#scalar</a></code></p></div>
<br/>
<div>
[<a href="https://github.com/crystal-lang/crystal-db/blob/437f8c39eccc82628223eff965d740fd3389499a/src/db/pool_statement.cr#L43" target="_blank">View source</a>]
</div>
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