maropu commented on a change in pull request #28264:
URL: https://github.com/apache/spark/pull/28264#discussion_r412577668
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File path: docs/sql-ref-datatypes.md
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@@ -706,3 +708,53 @@ 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, which is equal to the value returned by
<code>java.lang.Float.intBitsToFloat(0x7f800000)</code>.
Review comment:
We don't need to describe the infinity behaivours?
- infinity = infinity returns what?
- In aggregations, what's the infinity behaivour?
- ...
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