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new a97232f286 Publish built docs triggered by
95771daa22508974d3709adfa0b57db3e074ce7d
a97232f286 is described below
commit a97232f286ea5bc5294c6b1b4ff316ed1cd3ec4a
Author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
AuthorDate: Sun Jun 8 10:57:52 2025 +0000
Publish built docs triggered by 95771daa22508974d3709adfa0b57db3e074ce7d
---
_sources/library-user-guide/upgrading.md.txt | 50 +++++++++++++++++++++++
library-user-guide/upgrading.html | 60 ++++++++++++++++++++++++++++
searchindex.js | 2 +-
3 files changed, 111 insertions(+), 1 deletion(-)
diff --git a/_sources/library-user-guide/upgrading.md.txt
b/_sources/library-user-guide/upgrading.md.txt
index dd02045cf2..73bb526dfb 100644
--- a/_sources/library-user-guide/upgrading.md.txt
+++ b/_sources/library-user-guide/upgrading.md.txt
@@ -21,6 +21,56 @@
## DataFusion `48.0.0`
+### `Expr::WindowFunction` is now `Box`ed
+
+`Expr::WindowFunction` is now a `Box<WindowFunction>` instead of a
`WindowFunction` directly.
+This change was made to reduce the size of `Expr` and improve performance when
+planning queries (see [details on #16207]).
+
+This is a breaking change, so you will need to update your code if you match
+on `Expr::WindowFunction` directly. For example, if you have code like this:
+
+```rust
+match expr {
+ Expr::WindowFunction(WindowFunction {
+ params:
+ WindowFunctionParams {
+ partition_by,
+ order_by,
+ ..
+ }
+ }) => {
+ // Use partition_by and order_by as needed
+ }
+ _ => {
+ // other expr
+ }
+}
+```
+
+You will need to change it to:
+
+```rust
+match expr {
+ Expr::WindowFunction(window_fun) => {
+ let WindowFunction {
+ fun,
+ params: WindowFunctionParams {
+ args,
+ partition_by,
+ ..
+ },
+ } = window_fun.as_ref();
+ // Use partition_by and order_by as needed
+ }
+ _ => {
+ // other expr
+ }
+}
+```
+
+[details on #16207]:
https://github.com/apache/datafusion/pull/16207#issuecomment-2922659103
+
### The `VARCHAR` SQL type is now represented as `Utf8View` in Arrow.
The mapping of the SQL `VARCHAR` type has been changed from `Utf8` to
`Utf8View`
diff --git a/library-user-guide/upgrading.html
b/library-user-guide/upgrading.html
index 605f8d3227..18c803ea48 100644
--- a/library-user-guide/upgrading.html
+++ b/library-user-guide/upgrading.html
@@ -537,6 +537,22 @@
</code>
</a>
<ul class="nav section-nav flex-column">
+ <li class="toc-h3 nav-item toc-entry">
+ <a class="reference internal nav-link"
href="#expr-windowfunction-is-now-boxed">
+ <code class="docutils literal notranslate">
+ <span class="pre">
+ Expr::WindowFunction
+ </span>
+ </code>
+ is now
+ <code class="docutils literal notranslate">
+ <span class="pre">
+ Box
+ </span>
+ </code>
+ ed
+ </a>
+ </li>
<li class="toc-h3 nav-item toc-entry">
<a class="reference internal nav-link"
href="#the-varchar-sql-type-is-now-represented-as-utf8view-in-arrow">
The
@@ -864,6 +880,50 @@
<h1>Upgrade Guides<a class="headerlink" href="#upgrade-guides" title="Link to
this heading">¶</a></h1>
<section id="datafusion-48-0-0">
<h2>DataFusion <code class="docutils literal notranslate"><span
class="pre">48.0.0</span></code><a class="headerlink" href="#datafusion-48-0-0"
title="Link to this heading">¶</a></h2>
+<section id="expr-windowfunction-is-now-boxed">
+<h3><code class="docutils literal notranslate"><span
class="pre">Expr::WindowFunction</span></code> is now <code class="docutils
literal notranslate"><span class="pre">Box</span></code>ed<a class="headerlink"
href="#expr-windowfunction-is-now-boxed" title="Link to this heading">¶</a></h3>
+<p><code class="docutils literal notranslate"><span
class="pre">Expr::WindowFunction</span></code> is now a <code class="docutils
literal notranslate"><span class="pre">Box<WindowFunction></span></code>
instead of a <code class="docutils literal notranslate"><span
class="pre">WindowFunction</span></code> directly.
+This change was made to reduce the size of <code class="docutils literal
notranslate"><span class="pre">Expr</span></code> and improve performance when
+planning queries (see <a class="reference external"
href="https://github.com/apache/datafusion/pull/16207#issuecomment-2922659103";>details
on #16207</a>).</p>
+<p>This is a breaking change, so you will need to update your code if you match
+on <code class="docutils literal notranslate"><span
class="pre">Expr::WindowFunction</span></code> directly. For example, if you
have code like this:</p>
+<div class="highlight-rust notranslate"><div
class="highlight"><pre><span></span><span class="k">match</span><span
class="w"> </span><span class="n">expr</span><span class="w"> </span><span
class="p">{</span>
+<span class="w"> </span><span class="n">Expr</span><span
class="p">::</span><span class="n">WindowFunction</span><span
class="p">(</span><span class="n">WindowFunction</span><span class="w">
</span><span class="p">{</span>
+<span class="w"> </span><span class="n">params</span><span
class="p">:</span>
+<span class="w"> </span><span class="nc">WindowFunctionParams</span><span
class="w"> </span><span class="p">{</span>
+<span class="w"> </span><span class="n">partition_by</span><span
class="p">,</span>
+<span class="w"> </span><span class="n">order_by</span><span
class="p">,</span>
+<span class="w"> </span><span class="o">..</span>
+<span class="w"> </span><span class="p">}</span>
+<span class="w"> </span><span class="p">})</span><span class="w">
</span><span class="o">=></span><span class="w"> </span><span
class="p">{</span>
+<span class="w"> </span><span class="c1">// Use partition_by and order_by
as needed</span>
+<span class="w"> </span><span class="p">}</span>
+<span class="w"> </span><span class="n">_</span><span class="w"> </span><span
class="o">=></span><span class="w"> </span><span class="p">{</span>
+<span class="w"> </span><span class="c1">// other expr</span>
+<span class="w"> </span><span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>You will need to change it to:</p>
+<div class="highlight-rust notranslate"><div
class="highlight"><pre><span></span><span class="k">match</span><span
class="w"> </span><span class="n">expr</span><span class="w"> </span><span
class="p">{</span>
+<span class="w"> </span><span class="n">Expr</span><span
class="p">::</span><span class="n">WindowFunction</span><span
class="p">(</span><span class="n">window_fun</span><span
class="p">)</span><span class="w"> </span><span class="o">=></span><span
class="w"> </span><span class="p">{</span>
+<span class="w"> </span><span class="kd">let</span><span class="w">
</span><span class="n">WindowFunction</span><span class="w"> </span><span
class="p">{</span>
+<span class="w"> </span><span class="n">fun</span><span class="p">,</span>
+<span class="w"> </span><span class="n">params</span><span
class="p">:</span><span class="w"> </span><span
class="nc">WindowFunctionParams</span><span class="w"> </span><span
class="p">{</span>
+<span class="w"> </span><span class="n">args</span><span
class="p">,</span>
+<span class="w"> </span><span class="n">partition_by</span><span
class="p">,</span>
+<span class="w"> </span><span class="o">..</span>
+<span class="w"> </span><span class="p">},</span>
+<span class="w"> </span><span class="p">}</span><span class="w">
</span><span class="o">=</span><span class="w"> </span><span
class="n">window_fun</span><span class="p">.</span><span
class="n">as_ref</span><span class="p">();</span>
+<span class="w"> </span><span class="c1">// Use partition_by and order_by
as needed</span>
+<span class="w"> </span><span class="p">}</span>
+<span class="w"> </span><span class="n">_</span><span class="w"> </span><span
class="o">=></span><span class="w"> </span><span class="p">{</span>
+<span class="w"> </span><span class="c1">// other expr</span>
+<span class="w"> </span><span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</section>
<section id="the-varchar-sql-type-is-now-represented-as-utf8view-in-arrow">
<h3>The <code class="docutils literal notranslate"><span
class="pre">VARCHAR</span></code> SQL type is now represented as <code
class="docutils literal notranslate"><span class="pre">Utf8View</span></code>
in Arrow.<a class="headerlink"
href="#the-varchar-sql-type-is-now-represented-as-utf8view-in-arrow"
title="Link to this heading">¶</a></h3>
<p>The mapping of the SQL <code class="docutils literal notranslate"><span
class="pre">VARCHAR</span></code> type has been changed from <code
class="docutils literal notranslate"><span class="pre">Utf8</span></code> to
<code class="docutils literal notranslate"><span
class="pre">Utf8View</span></code>
diff --git a/searchindex.js b/searchindex.js
index 1d7a8fe6a9..8633819a09 100644
--- a/searchindex.js
+++ b/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"alltitles":{"!=":[[54,"op-neq"]],"!~":[[54,"op-re-not-match"]],"!~*":[[54,"op-re-not-match-i"]],"!~~":[[54,"id19"]],"!~~*":[[54,"id20"]],"#":[[54,"op-bit-xor"]],"%":[[54,"op-modulo"]],"&":[[54,"op-bit-and"]],"(relation,
name) tuples in logical fields and logical columns are
unique":[[12,"relation-name-tuples-in-logical-fields-and-logical-columns-are-unique"]],"*":[[54,"op-multiply"]],"+":[[54,"op-plus"]],"-":[[54,"op-minus"]],"/":[[54,"op-divide"]],"2022
Q2":[[10,"q2"]] [...]
\ No newline at end of file
+Search.setIndex({"alltitles":{"!=":[[54,"op-neq"]],"!~":[[54,"op-re-not-match"]],"!~*":[[54,"op-re-not-match-i"]],"!~~":[[54,"id19"]],"!~~*":[[54,"id20"]],"#":[[54,"op-bit-xor"]],"%":[[54,"op-modulo"]],"&":[[54,"op-bit-and"]],"(relation,
name) tuples in logical fields and logical columns are
unique":[[12,"relation-name-tuples-in-logical-fields-and-logical-columns-are-unique"]],"*":[[54,"op-multiply"]],"+":[[54,"op-plus"]],"-":[[54,"op-minus"]],"/":[[54,"op-divide"]],"2022
Q2":[[10,"q2"]] [...]
\ No newline at end of file
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