[GitHub] [spark] dongjoon-hyun commented on a change in pull request #27447: [SPARK-29587][DOC][FOLLOWUP] Add doc for new type `REAL` and `NUMERIC`

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dongjoon-hyun commented on a change in pull request #27447: [SPARK-29587][DOC][FOLLOWUP] Add doc for new type `REAL` and `NUMERIC`
URL: https://github.com/apache/spark/pull/27447#discussion_r375529610
 
 

 ##########
 File path: docs/sql-ref-datatypes.md
 ##########
 @@ -631,4 +631,71 @@ from pyspark.sql.types import *
 </tr>
 </table>
 </div>
+
+<div data-lang="sql"  markdown="1">
+
+The following table shows the type names as well as aliases used in Spark SQL parser for each data type.
+
+<table class="table">
+<tr>
+  <th style="width:50%">Data type</th>
+  <th>SQL name</th></tr>
+<tr>
+  <td> <b>BooleanType</b> </td>
+  <td> boolean </td>
 
 Review comment:
   Shall we capitalize SQL types like `BOOLEAN` and `INT`?

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