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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin: 10px 0 0; margin-top: 0">I'm also having an issue with column aliases, specifically for a "group by" with a bind variable. My query is more complicated, but a small native example would be:</p>
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<pre class="code-sql" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal"><span class="code-keyword" style="color: #000091">select</span> someCol / ?, <span class="code-keyword" style="color: #000091">count</span>(id) <span class="code-keyword" style="color: #000091">as</span> ct <span class="code-keyword" style="color: #000091">from</span> someTable <span class="code-keyword" style="color: #000091">group</span> <span class="code-keyword" style="color: #000091">by</span> someCol / ?</pre>
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</div> <p style="margin: 10px 0 0">Even though I always expect both bind variables to be the same, the above query doesn't work because different values could technically be bound. This means an SQL error might be:</p>
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<pre style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap">ERROR: column "someCol" must appear in the GROUP BY clause or be used in an aggregate function</pre>
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</div> <p style="margin: 10px 0 0">If the bind variables are replaced with the hardcoded value exactly, there is no problem. For context, I'm using QueryDSL. Another way to fix this is to group by the alias. E.g.</p>
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<pre class="code-sql" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal"><span class="code-keyword" style="color: #000091">select</span> someCol / ? <span class="code-keyword" style="color: #000091">as</span> someAlias, <span class="code-keyword" style="color: #000091">count</span>(id) <span class="code-keyword" style="color: #000091">as</span> ct <span class="code-keyword" style="color: #000091">from</span> someTable <span class="code-keyword" style="color: #000091">group</span> <span class="code-keyword" style="color: #000091">by</span> someAlias</pre>
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</div> <p style="margin: 10px 0 0">So that is what I am trying to do, but there seems to be an issue in Hibernate. When the <tt>org.hibernate.hql.internal.ast.tree.SelectClause</tt> is constructed, it does in fact include the aliases such as "someAlias" in the <tt>aliases</tt> member variable.<br> But when <tt>org.hibernate.hql.internal.antlr.SqlGeneratorBase</tt> invokes <tt>selectColumn()</tt>, it says <tt>sc = (AST)<em>t;</em></tt><em>, so the alias is set to e.g. "col_1_0</em>" instead of "someAlias", even though the alias is available to it.</p> </td>
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