akurmustafa commented on code in PR #58:
URL: https://github.com/apache/datafusion-site/pull/58#discussion_r1986190590
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content/blog/2025-03-05-ordering-analysis.md:
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@@ -0,0 +1,176 @@
+---
+layout: post
+title: Analysis of Ordering for Better Plans
+date: 2025-03-05
+author: Mustafa Akur
+categories: [tutorial]
+---
+
+<!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements. See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+
+<!-- see https://github.com/apache/datafusion/issues/11631 for details -->
+
+## Introduction
+
+In this blog post, we will explore how to determine whether an ordering
requirement[^1] of an operator is satisfied by its input data. This analysis is
essential for order-based optimizations and is often more complex than one
might initially think.
+
+Some operators in the physical query plan require their input data to be
ordered. The reasons for these requirements include:
Review Comment:
I have incorporated this suggestion into the blog post with very minor
changes. Thanks @alamb for the suggestions
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