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  <title>num_rows (Marjoree)</title>
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  <pre><span class="ruby-comment cmt"># File lib/marjoree/core.rb, line 74</span>
    <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">num_rows</span>( <span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">where_map</span> = <span class="ruby-keyword kw">nil</span> )
        <span class="ruby-identifier">where_clause</span> = <span class="ruby-identifier">build_where_statement</span>( <span class="ruby-identifier">where_map</span> )
        <span class="ruby-identifier">dbCall</span> = <span class="ruby-identifier">execute</span>( <span class="ruby-node">&quot;SELECT COUNT(*) AS number_of_rows FROM #{table_name} #{where_clause}&quot;</span> )
        <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">dbCall</span>.<span class="ruby-identifier">hashes</span>.<span class="ruby-identifier">first</span>[<span class="ruby-identifier">:number_of_rows</span>]
    <span class="ruby-keyword kw">end</span></pre>
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marjoree-0.0.9 ./html/classes/Marjoree.src/M000062.html