[MINOR] Update SET in cli.md (apache#4098)

* Update cli.md add `SET` * prettier Co-authored-by: Andrew Lamb <[email protected]>
Ted-Jiang · Nov 5, 2022 · 024d543 · 024d543
1 parent c18777e
commit 024d543
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diff --git a/docs/source/user-guide/cli.md b/docs/source/user-guide/cli.md
@@ -252,6 +252,12 @@ Available commands inside DataFusion CLI are:
 
 ```
 
+- Set configuration options
+
+```SQL
+> SET datafusion.execution.batch_size to 1024;
+```
+
 ## Changing Configuration Options
 
 All available configuration options can be seen using `SHOW ALL` as described above.
@@ -282,3 +288,29 @@ DataFusion CLI v12.0.0
 +-------------------------------------------------+---------+
 8 rows in set. Query took 0.002 seconds.
 ```
+
+You can change the configuration options using `SET` statement as well
+
+```shell
+$ datafusion-cli
+DataFusion CLI v13.0.0
+
+❯ show datafusion.execution.batch_size;
++---------------------------------+---------+
+| name                            | setting |
++---------------------------------+---------+
+| datafusion.execution.batch_size | 8192    |
++---------------------------------+---------+
+1 row in set. Query took 0.011 seconds.
+
+❯ set datafusion.execution.batch_size to 1024;
+0 rows in set. Query took 0.000 seconds.
+
+❯ show datafusion.execution.batch_size;
++---------------------------------+---------+
+| name                            | setting |
++---------------------------------+---------+
+| datafusion.execution.batch_size | 1024    |
++---------------------------------+---------+
+1 row in set. Query took 0.005 seconds.
+```