KAFKA-12317: Update FK-left-join documentation (#15689)
FK left-join was changed via KIP-962. This PR updates the docs accordingly.
Reviewers: Ayoub Omari <ayoubomari1@outlook.fr>, Matthias J. Sax <matthias@confluent.io>
diff --git a/docs/streams/developer-guide/dsl-api.html b/docs/streams/developer-guide/dsl-api.html
index acd40ad..fd5c22c 100644
--- a/docs/streams/developer-guide/dsl-api.html
+++ b/docs/streams/developer-guide/dsl-api.html
@@ -2542,6 +2542,10 @@
<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>
@@ -2601,10 +2605,6 @@
<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>
