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new 1350ea5cf Publish built docs triggered by
f69739b85c15a02b1557bd4fe2fe56fc9e1f82f0
1350ea5cf is described below
commit 1350ea5cf1ed6c4b2dd14f639a5af1d6f7822727
Author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
AuthorDate: Wed Aug 27 18:55:03 2025 +0000
Publish built docs triggered by f69739b85c15a02b1557bd4fe2fe56fc9e1f82f0
---
_sources/user-guide/compatibility.md.txt | 17 +++++++++++++----
searchindex.js | 2 +-
user-guide/compatibility.html | 18 ++++++++++++++----
3 files changed, 28 insertions(+), 9 deletions(-)
diff --git a/_sources/user-guide/compatibility.md.txt
b/_sources/user-guide/compatibility.md.txt
index 23e31d0bc..969b3961c 100644
--- a/_sources/user-guide/compatibility.md.txt
+++ b/_sources/user-guide/compatibility.md.txt
@@ -75,10 +75,19 @@ The `native_datafusion` scan has some additional
limitations:
## ANSI Mode
-Comet currently ignores ANSI mode in most cases, and therefore can produce
different results than Spark. By default,
-Comet will fall back to Spark if ANSI mode is enabled. To enable Comet to
accelerate queries when ANSI mode is enabled,
-specify `spark.comet.ansi.enabled=true` in the Spark configuration. Comet's
ANSI support is experimental and should not
-be used in production.
+Comet will fall back to Spark for the following expressions when ANSI mode is
enabled, unless
+`spark.comet.expression.allowIncompatible=true`.
+
+- Add
+- Subtract
+- Multiply
+- Divide
+- IntegralDivide
+- Remainder
+- Round
+- Average
+- Sum
+- Cast (in some cases)
There is an [epic](https://github.com/apache/datafusion-comet/issues/313)
where we are tracking the work to fully implement ANSI support.
diff --git a/searchindex.js b/searchindex.js
index 6675c8904..d40efb3dc 100644
--- a/searchindex.js
+++ b/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"alltitles": {"1. Install Comet": [[12, "install-comet"]],
"2. Clone Spark and Apply Diff": [[12, "clone-spark-and-apply-diff"]], "3. Run
Spark SQL Tests": [[12, "run-spark-sql-tests"]], "ANSI Mode": [[15,
"ansi-mode"]], "API Differences Between Spark Versions": [[0,
"api-differences-between-spark-versions"]], "ASF Links": [[14, null]],
"Accelerating Apache Iceberg Parquet Scans using Comet (Experimental)": [[21,
null]], "Adding Spark-side Tests for the New Expression": [...]
\ No newline at end of file
+Search.setIndex({"alltitles": {"1. Install Comet": [[12, "install-comet"]],
"2. Clone Spark and Apply Diff": [[12, "clone-spark-and-apply-diff"]], "3. Run
Spark SQL Tests": [[12, "run-spark-sql-tests"]], "ANSI Mode": [[15,
"ansi-mode"]], "API Differences Between Spark Versions": [[0,
"api-differences-between-spark-versions"]], "ASF Links": [[14, null]],
"Accelerating Apache Iceberg Parquet Scans using Comet (Experimental)": [[21,
null]], "Adding Spark-side Tests for the New Expression": [...]
\ No newline at end of file
diff --git a/user-guide/compatibility.html b/user-guide/compatibility.html
index e67eab15e..b0be45db7 100644
--- a/user-guide/compatibility.html
+++ b/user-guide/compatibility.html
@@ -477,10 +477,20 @@ types (regardless of the logical type). This behavior can
be disabled by setting
</section>
<section id="ansi-mode">
<h2>ANSI Mode<a class="headerlink" href="#ansi-mode" title="Link to this
heading">¶</a></h2>
-<p>Comet currently ignores ANSI mode in most cases, and therefore can produce
different results than Spark. By default,
-Comet will fall back to Spark if ANSI mode is enabled. To enable Comet to
accelerate queries when ANSI mode is enabled,
-specify <code class="docutils literal notranslate"><span
class="pre">spark.comet.ansi.enabled=true</span></code> in the Spark
configuration. Comet’s ANSI support is experimental and should not
-be used in production.</p>
+<p>Comet will fall back to Spark for the following expressions when ANSI mode
is enabled, unless
+<code class="docutils literal notranslate"><span
class="pre">spark.comet.expression.allowIncompatible=true</span></code>.</p>
+<ul class="simple">
+<li><p>Add</p></li>
+<li><p>Subtract</p></li>
+<li><p>Multiply</p></li>
+<li><p>Divide</p></li>
+<li><p>IntegralDivide</p></li>
+<li><p>Remainder</p></li>
+<li><p>Round</p></li>
+<li><p>Average</p></li>
+<li><p>Sum</p></li>
+<li><p>Cast (in some cases)</p></li>
+</ul>
<p>There is an <a class="reference external"
href="https://github.com/apache/datafusion-comet/issues/313";>epic</a> where we
are tracking the work to fully implement ANSI support.</p>
</section>
<section id="floating-point-number-comparison">
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