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commit 7e13cd45a26f8f33cbc37179a147f9d9323b29e7
Author: Build Pelican (action) <[email protected]>
AuthorDate: Sat Jan 24 12:54:04 2026 +0000
Commit build products
---
blog/2026/01/08/datafusion-52.0.0/index.html | 19 +++++++++++++++++++
blog/feeds/all-en.atom.xml | 17 +++++++++++++++++
blog/feeds/blog.atom.xml | 17 +++++++++++++++++
blog/feeds/pmc.atom.xml | 17 +++++++++++++++++
4 files changed, 70 insertions(+)
diff --git a/blog/2026/01/08/datafusion-52.0.0/index.html
b/blog/2026/01/08/datafusion-52.0.0/index.html
index bca7f3c..cd2715f 100644
--- a/blog/2026/01/08/datafusion-52.0.0/index.html
+++ b/blog/2026/01/08/datafusion-52.0.0/index.html
@@ -48,6 +48,7 @@
<div class="toc"><span class="toctitle">Contents</span><ul>
<li><a href="#performance-improvements">Performance Improvements 🚀</a><ul>
<li><a href="#faster-case-expressions">Faster CASE Expressions</a></li>
+<li><a href="#minmax-aggregate-dynamic-filters">MIN/MAX Aggregate Dynamic
Filters</a></li>
<li><a href="#new-merge-join">New Merge Join</a></li>
<li><a href="#caching-improvements">Caching Improvements</a></li>
<li><a href="#improved-hash-join-filter-pushdown">Improved Hash Join Filter
Pushdown</a></li>
@@ -108,6 +109,23 @@ END
<p>This is the final work in our <code>CASE</code> performance epic (<a
href="https://github.com/apache/datafusion/issues/18075";>#18075</a>), which has
improved <code>CASE</code> evaluation significantly. Related PRs <a
href="https://github.com/apache/datafusion/pull/18183";>#18183</a>. Thanks to
<a href="https://github.com/rluvaton";>rluvaton</a> and <a
href="https://github.com/pepijnve";>pepijnve</a> for the implementation.</p>
+<h3 id="minmax-aggregate-dynamic-filters"><code>MIN</code>/<code>MAX</code>
Aggregate Dynamic Filters<a class="headerlink"
href="#minmax-aggregate-dynamic-filters" title="Permanent link">¶</a></h3>
+<p>DataFusion now creates dynamic filters for queries with
<code>MIN</code>/<code>MAX</code> aggregates
+that have filters, but no <code>GROUP BY</code>. These dynamic filters are
used during scan
+to prune files and rows as tighter bounds are discovered during execution, as
+explained in the <a
href="https://datafusion.apache.org/blog/2025/09/10/dynamic-filters/#hash-join-dynamic-filters";>Dynamic
Filtering blog</a>. For example, the following query:</p>
+<pre><code class="language-sql">SELECT min(l_shipdate)
+FROM lineitem
+WHERE l_returnflag = 'R';
+</code></pre>
+<p>Is now executed like this </p>
+<pre><code class="language-sql">SELECT min(l_shipdate)
+FROM lineitem
+-- '__current_min' is updated dynamically during execution
+WHERE l_returnflag = 'R' AND l_shipdate > __current_min;
+</code></pre>
+<p>Thanks to <a href="https://github.com/2010YOUY01";>2010YOUY01</a> for
implementing this feature, with reviews from
+<a href="https://github.com/martin-g";>martin-g</a>, <a
href="https://github.com/adriangb";>adriangb</a>, and <a
href="https://github.com/LiaCastaneda";>LiaCastaneda</a>. Related PRs: <a
href="https://github.com/apache/datafusion/pull/18644";>#18644</a></p>
<h3 id="new-merge-join">New Merge Join<a class="headerlink"
href="#new-merge-join" title="Permanent link">¶</a></h3>
<p>DataFusion 52 includes a rewrite of the sort-merge join (SMJ) operator, with
speedups of three orders of magnitude in some pathological cases such as the
@@ -296,6 +314,7 @@ can find out how to reach us on the <a
href="https://datafusion.apache.org/contr
<div class="toc"><span class="toctitle">Contents</span><ul>
<li><a href="#performance-improvements">Performance Improvements 🚀</a><ul>
<li><a href="#faster-case-expressions">Faster CASE Expressions</a></li>
+<li><a href="#minmax-aggregate-dynamic-filters">MIN/MAX Aggregate Dynamic
Filters</a></li>
<li><a href="#new-merge-join">New Merge Join</a></li>
<li><a href="#caching-improvements">Caching Improvements</a></li>
<li><a href="#improved-hash-join-filter-pushdown">Improved Hash Join Filter
Pushdown</a></li>
diff --git a/blog/feeds/all-en.atom.xml b/blog/feeds/all-en.atom.xml
index ab1efa7..a776446 100644
--- a/blog/feeds/all-en.atom.xml
+++ b/blog/feeds/all-en.atom.xml
@@ -346,6 +346,23 @@ END
<p>This is the final work in our <code>CASE</code>
performance epic (<a
href="https://github.com/apache/datafusion/issues/18075">#18075</a>),
which has
improved <code>CASE</code> evaluation significantly. Related PRs
<a
href="https://github.com/apache/datafusion/pull/18183">#18183</a>.
Thanks to
<a href="https://github.com/rluvaton">rluvaton</a> and <a
href="https://github.com/pepijnve">pepijnve</a> for the
implementation.</p>
+<h3
id="minmax-aggregate-dynamic-filters"><code>MIN</code>/<code>MAX</code>
Aggregate Dynamic Filters<a class="headerlink"
href="#minmax-aggregate-dynamic-filters" title="Permanent
link">¶</a></h3>
+<p>DataFusion now creates dynamic filters for queries with
<code>MIN</code>/<code>MAX</code> aggregates
+that have filters, but no <code>GROUP BY</code>. These dynamic
filters are used during scan
+to prune files and rows as tighter bounds are discovered during execution, as
+explained in the <a
href="https://datafusion.apache.org/blog/2025/09/10/dynamic-filters/#hash-join-dynamic-filters">Dynamic
Filtering blog</a>. For example, the following query:</p>
+<pre><code class="language-sql">SELECT min(l_shipdate)
+FROM lineitem
+WHERE l_returnflag = 'R';
+</code></pre>
+<p>Is now executed like this </p>
+<pre><code class="language-sql">SELECT min(l_shipdate)
+FROM lineitem
+-- '__current_min' is updated dynamically during execution
+WHERE l_returnflag = 'R' AND l_shipdate &gt; __current_min;
+</code></pre>
+<p>Thanks to <a
href="https://github.com/2010YOUY01">2010YOUY01</a> for implementing
this feature, with reviews from
+<a href="https://github.com/martin-g">martin-g</a>, <a
href="https://github.com/adriangb">adriangb</a>, and <a
href="https://github.com/LiaCastaneda">LiaCastaneda</a>. Related PRs:
<a
href="https://github.com/apache/datafusion/pull/18644">#18644</a></p>
<h3 id="new-merge-join">New Merge Join<a class="headerlink"
href="#new-merge-join" title="Permanent link">¶</a></h3>
<p>DataFusion 52 includes a rewrite of the sort-merge join (SMJ)
operator, with
speedups of three orders of magnitude in some pathological cases such as the
diff --git a/blog/feeds/blog.atom.xml b/blog/feeds/blog.atom.xml
index 0254d55..75dec5b 100644
--- a/blog/feeds/blog.atom.xml
+++ b/blog/feeds/blog.atom.xml
@@ -346,6 +346,23 @@ END
<p>This is the final work in our <code>CASE</code>
performance epic (<a
href="https://github.com/apache/datafusion/issues/18075">#18075</a>),
which has
improved <code>CASE</code> evaluation significantly. Related PRs
<a
href="https://github.com/apache/datafusion/pull/18183">#18183</a>.
Thanks to
<a href="https://github.com/rluvaton">rluvaton</a> and <a
href="https://github.com/pepijnve">pepijnve</a> for the
implementation.</p>
+<h3
id="minmax-aggregate-dynamic-filters"><code>MIN</code>/<code>MAX</code>
Aggregate Dynamic Filters<a class="headerlink"
href="#minmax-aggregate-dynamic-filters" title="Permanent
link">¶</a></h3>
+<p>DataFusion now creates dynamic filters for queries with
<code>MIN</code>/<code>MAX</code> aggregates
+that have filters, but no <code>GROUP BY</code>. These dynamic
filters are used during scan
+to prune files and rows as tighter bounds are discovered during execution, as
+explained in the <a
href="https://datafusion.apache.org/blog/2025/09/10/dynamic-filters/#hash-join-dynamic-filters">Dynamic
Filtering blog</a>. For example, the following query:</p>
+<pre><code class="language-sql">SELECT min(l_shipdate)
+FROM lineitem
+WHERE l_returnflag = 'R';
+</code></pre>
+<p>Is now executed like this </p>
+<pre><code class="language-sql">SELECT min(l_shipdate)
+FROM lineitem
+-- '__current_min' is updated dynamically during execution
+WHERE l_returnflag = 'R' AND l_shipdate &gt; __current_min;
+</code></pre>
+<p>Thanks to <a
href="https://github.com/2010YOUY01">2010YOUY01</a> for implementing
this feature, with reviews from
+<a href="https://github.com/martin-g">martin-g</a>, <a
href="https://github.com/adriangb">adriangb</a>, and <a
href="https://github.com/LiaCastaneda">LiaCastaneda</a>. Related PRs:
<a
href="https://github.com/apache/datafusion/pull/18644">#18644</a></p>
<h3 id="new-merge-join">New Merge Join<a class="headerlink"
href="#new-merge-join" title="Permanent link">¶</a></h3>
<p>DataFusion 52 includes a rewrite of the sort-merge join (SMJ)
operator, with
speedups of three orders of magnitude in some pathological cases such as the
diff --git a/blog/feeds/pmc.atom.xml b/blog/feeds/pmc.atom.xml
index 9f44274..acb6767 100644
--- a/blog/feeds/pmc.atom.xml
+++ b/blog/feeds/pmc.atom.xml
@@ -62,6 +62,23 @@ END
<p>This is the final work in our <code>CASE</code>
performance epic (<a
href="https://github.com/apache/datafusion/issues/18075">#18075</a>),
which has
improved <code>CASE</code> evaluation significantly. Related PRs
<a
href="https://github.com/apache/datafusion/pull/18183">#18183</a>.
Thanks to
<a href="https://github.com/rluvaton">rluvaton</a> and <a
href="https://github.com/pepijnve">pepijnve</a> for the
implementation.</p>
+<h3
id="minmax-aggregate-dynamic-filters"><code>MIN</code>/<code>MAX</code>
Aggregate Dynamic Filters<a class="headerlink"
href="#minmax-aggregate-dynamic-filters" title="Permanent
link">¶</a></h3>
+<p>DataFusion now creates dynamic filters for queries with
<code>MIN</code>/<code>MAX</code> aggregates
+that have filters, but no <code>GROUP BY</code>. These dynamic
filters are used during scan
+to prune files and rows as tighter bounds are discovered during execution, as
+explained in the <a
href="https://datafusion.apache.org/blog/2025/09/10/dynamic-filters/#hash-join-dynamic-filters">Dynamic
Filtering blog</a>. For example, the following query:</p>
+<pre><code class="language-sql">SELECT min(l_shipdate)
+FROM lineitem
+WHERE l_returnflag = 'R';
+</code></pre>
+<p>Is now executed like this </p>
+<pre><code class="language-sql">SELECT min(l_shipdate)
+FROM lineitem
+-- '__current_min' is updated dynamically during execution
+WHERE l_returnflag = 'R' AND l_shipdate &gt; __current_min;
+</code></pre>
+<p>Thanks to <a
href="https://github.com/2010YOUY01">2010YOUY01</a> for implementing
this feature, with reviews from
+<a href="https://github.com/martin-g">martin-g</a>, <a
href="https://github.com/adriangb">adriangb</a>, and <a
href="https://github.com/LiaCastaneda">LiaCastaneda</a>. Related PRs:
<a
href="https://github.com/apache/datafusion/pull/18644">#18644</a></p>
<h3 id="new-merge-join">New Merge Join<a class="headerlink"
href="#new-merge-join" title="Permanent link">¶</a></h3>
<p>DataFusion 52 includes a rewrite of the sort-merge join (SMJ)
operator, with
speedups of three orders of magnitude in some pathological cases such as the
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