docs: add note on binary character set type casting

dougwilson · dougwilson · commit 55f132c258e4 · 2015-05-04T15:58:39.000-04:00
closes mysqljs#1071
diff --git a/Readme.md b/Readme.md
@@ -1158,6 +1158,9 @@ types by default. The following mappings exist:
 
 ### String
 
+**Note** text in the binary character set is returned as `Buffer`, rather
+than a string.
+
 * CHAR
 * VARCHAR
 * TINYTEXT
