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<div class="section" id="module-optimize_query">
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<span id="optimize-query-module"></span><h1>optimize_query module<a class="headerlink" href="#module-optimize_query" title="Permalink to this headline">¶</a></h1>
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<p>The module optimize_query contains a function which sends the query
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to Optimizer to be optimized and returns the optimized query back.</p>
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<dl class="function">
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<dt id="optimize_query.opt_comm_exec">
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<em class="property">async </em><code class="sig-prename descclassname">optimize_query.</code><code class="sig-name descname">opt_comm_exec</code><span class="sig-paren">(</span><em class="sig-param">reader</em>, <em class="sig-param">writer</em>, <em class="sig-param">query</em>, <em class="sig-param">db_name</em>, <em class="sig-param">flag</em><span class="sig-paren">)</span><a class="headerlink" href="#optimize_query.opt_comm_exec" title="Permalink to this definition">¶</a></dt>
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<dd><p>This function sends the query to Optimizer to be optimized and returns the optimized query back.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>reader</strong> – The stream reader of the connection to Optimizer.</p></li>
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<li><p><strong>writer</strong> – The stream writer of the connection to Optimizer.</p></li>
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<li><p><strong>query</strong> – The the query to be optimized given as string.</p></li>
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<li><p><strong>db_name</strong> – The The currently open database related to the given query.</p></li>
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<li><p><strong>flag</strong> – The boolean value that shows if the command should be executed by optimizer (True) or should be optimized (False).</p></li>
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<dt class="field-even">Returns</dt>
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<dd class="field-even"><p>The optimized query as string.</p>
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