Better document --skip-column-names for retrieving a specific value

Author: danielbachhuber

README.md

@@ -364,6 +364,12 @@ Executes an arbitrary SQL query using `DB_HOST`, `DB_NAME`, `DB_USER`
     # Execute a query stored in a file
     $ wp db query < debug.sql
 
+    # Query for a specific value in the database (pipe the result to remove the ASCII table borders)
+    $ wp db query 'SELECT option_value FROM wp_options WHERE option_name="home"' --skip-column-names
+    +----------------------+
+    | https://vanilla.test |
+    +----------------------+
+
     # Check all tables in the database
     $ wp db query "CHECK TABLE $(wp db tables | paste -s -d, -);"
     +---------------------------------------+-------+----------+----------+

src/DB_Command.php

@@ -423,6 +423,12 @@ public function cli( $_, $assoc_args ) {
 	 *     # Execute a query stored in a file
 	 *     $ wp db query < debug.sql
 	 *
+	 *     # Query for a specific value in the database (pipe the result to remove the ASCII table borders)
+	 *     $ wp db query 'SELECT option_value FROM wp_options WHERE option_name="home"' --skip-column-names
+	 *     +----------------------+
+	 *     | https://vanilla.test |
+	 *     +----------------------+
+	 *
 	 *     # Check all tables in the database
 	 *     $ wp db query "CHECK TABLE $(wp db tables | paste -s -d, -);"
 	 *     +---------------------------------------+-------+----------+----------+