[GitHub] [spark] maropu commented on a change in pull request #28264: [SPARK-31491][SQL][DOCS] Re-arrange Data Types page to document Floating Point Special Values

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maropu commented on a change in pull request #28264:
URL: https://github.com/apache/spark/pull/28264#discussion_r411032845



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File path: docs/sql-ref-datatypes.md
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@@ -706,3 +708,28 @@ The following table shows the type names as well as aliases used in Spark SQL pa
 </table>
 </div>
 </div>
+
+### Floating Point Special Values
+
+Spark SQL supports several special floating point values in a case-insensitive manner:
+
+ * Inf/+Inf/Infinity/+Infinity: positive infinity
+   * ```FloatType```: 1.0f / 0.0f
+   * ```DoubleType```: 1.0 / 0.0
+ * -Inf/-Infinity: negative infinity
+   * ```FloatType```: -1.0f / 0.0f
+   * ```DoubleType```: -1.0 / 0.0
+ * NaN: not a number
+   * ```FloatType```: 0.0f / 0.0f
+   * ```DoubleType```:  0.0d / 0.0
+

Review comment:
       Could you add examples, too, here?




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