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8 changes: 4 additions & 4 deletions docs/streams/developer-guide/dsl-api.html
Original file line number Diff line number Diff line change
Expand Up @@ -2542,6 +2542,10 @@ <h5><a class="toc-backref" href="#id34">KTable-KTable Foreign-Key
<blockquote>
<div>
<ul class="simple">
<li>
Records for which the <code class="docutils literal"><span class="pre">foreignKeyExtractor</span></code> produces <code class="docutils literal"><span class="pre">null</span></code> are ignored and do not trigger a join.
If you want to join with <code class="docutils literal"><span class="pre">null</span></code> foreign keys, use a suitable sentinel value to do so (i.e. <code class="docutils literal"><span class="pre">"NULL"</span></code> for a String field, or <code class="docutils literal"><span class="pre">-1</span></code> for an auto-incrementing integer field).
</li>
<li>Input records with a <code class="docutils
literal"><span class="pre">null</span></code>
value are interpreted as <em>tombstones</em>
Expand Down Expand Up @@ -2601,10 +2605,6 @@ <h5><a class="toc-backref" href="#id34">KTable-KTable Foreign-Key
<blockquote>
<div>
<ul class="simple">
<li>
Records for which the <code class="docutils literal"><span class="pre">foreignKeyExtractor</span></code> produces <code class="docutils literal"><span class="pre">null</span></code> are ignored and do not trigger a join.
If you want to join with <code class="docutils literal"><span class="pre">null</span></code> foreign keys, use a suitable sentinel value to do so (i.e. <code class="docutils literal"><span class="pre">"NULL"</span></code> for a String field, or <code class="docutils literal"><span class="pre">-1</span></code> for an auto-incrementing integer field).
</li>
<li>Input records with a <code class="docutils
literal"><span class="pre">null</span></code>
value are interpreted as <em>tombstones</em>
Expand Down