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Restrict use of SELECT * in queries with implicit grouping. #379

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kasei merged 2 commits into from
May 21, 2026
Merged

Restrict use of SELECT * in queries with implicit grouping. #379

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Restrict use of SELECT * in queries with implicit grouping.
kasei May 18, 2026
fe9a7bb
Add new project-star restrictions to changelog.
kasei May 20, 2026
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11 changes: 9 additions & 2 deletions spec/index.html
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Expand Up @@ -4042,8 +4042,9 @@ <h4>Projection</h4>
selects all of the variables that are <a href="#variableScope">in-scope</a> at that point
in the query. It excludes variables only used in <code>FILTER</code>, in the right-hand
side of <code>MINUS</code>, and takes account of subqueries.</p>
<p>Use of <code>SELECT *</code> is only permitted when the query does not have a
<code>GROUP BY</code> clause.</p>
<p>Use of <code>SELECT *</code> is only permitted when the query does not use grouping
(either through the use of a <code>GROUP BY</code> clause, or due to the presence of aggregates
in <code>HAVING</code> or <code>ORDER BY</code> clauses).</p>
<div class="exampleGroup">
<pre class="data nohighlight">
PREFIX foaf: &lt;http://xmlns.com/foaf/0.1/&gt;
Expand Down Expand Up @@ -11420,6 +11421,12 @@ <h3>Grammar</h3>
a simple path (an IRI, the keyword `a`, or a variable),
and not for other path expressions.
</li>
<li>
The use of `*` in a <a href="#rSelectClause">SELECT</a> clause
is not allowed in a <a href="#rQueryUnit">query</a> containing a <a href="#rGroupClause"><code>GROUP BY</code></a> clause
or when <a href="#rAggregate">aggregates</a> appear in either <a href="#rHavingClause"><code>HAVING</code></a> or
<a href="#rOrderClause"><code>ORDER BY</code></a> clauses.
</li>
</ol>

<!-- GRAMMAR -->
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